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Cost engine

How much does home addition cost?

National price ranges for home addition, the unit pricing contractors quote from, and what the same job costs across local markets.

Model reviewed August 2026

Home Addition cost

$45,000 – $280,000

Most homeowners pay around $105,000 for home addition, or $180–$450 per sq ft of added space. Permit fees add $800–$6,000.

Estimate your job

Run your own numbers before scrolling — the same engine behind the ranges below.

Square footage

180 sq ft

With waste allowance
198 sq ft
Square yards
20
Perimeter (per area)
54 ft
Square meters
16.72

Estimates only. Local pricing, site conditions and code requirements change the real number.

What homeowners reported paying

Invoice amounts submitted by homeowners nationwide, shown beside the model.

Price breakdown

Budget scope$45,000
Typical project$105,000
Premium / complex$280,000
per sq ft of added space$180 – $450
Permit fees$800 – $6,000
Timeline3-6 months of construction, 6-14 months including design and permitting

What drives the price

  • Added square footage and whether it is one or two stories
  • Foundation type and site conditions
  • Extending or adding HVAC capacity
  • Zoning setbacks, lot coverage and impact fees
  • Flood zone elevation requirements

Cost by state

The same scope priced through each state's labor, material and code load.

Most expensive states

Hawaii$183,900California$158,600New York$148,800Alaska$147,400Massachusetts$144,100District of Columbia$142,500

Least expensive states

Mississippi$89,300Oklahoma$91,700Arkansas$91,700West Virginia$92,200Kansas$92,600Nebraska$93,700

Home Addition runs about 106% more in Hawaii than in Mississippi for an identical scope — almost entirely a labor and code-load difference.

Addition cost in Hawaii$78,800 – $490,300 · +75%Addition cost in California$68,000 – $422,800 · +51%Addition cost in New York$63,800 – $396,800 · +42%Addition cost in Alaska$63,200 – $393,100 · +40%Addition cost in Massachusetts$61,700 – $384,200 · +37%Addition cost in District of Columbia$61,100 – $380,000 · +36%Addition cost in New Jersey$60,100 – $373,800 · +34%Addition cost in Connecticut$57,700 – $359,200 · +28%Addition cost in Rhode Island$56,100 – $348,900 · +25%Addition cost in Washington$55,900 – $347,800 · +24%Addition cost in Oregon$55,400 – $344,700 · +23%Addition cost in Maryland$53,800 – $334,600 · +20%Addition cost in Illinois$52,400 – $325,900 · +16%Addition cost in Florida$50,700 – $315,600 · +13%Addition cost in Colorado$50,600 – $315,000 · +13%Addition cost in New Hampshire$50,500 – $314,400 · +12%Addition cost in Nevada$49,700 – $309,400 · +10%Addition cost in Pennsylvania$49,300 – $306,600 · +9%Addition cost in Vermont$48,700 – $303,000 · +8%Addition cost in Delaware$48,600 – $302,700 · +8%Addition cost in Minnesota$48,600 – $302,700 · +8%Addition cost in Maine$48,500 – $301,600 · +8%Addition cost in Virginia$48,400 – $301,000 · +7%Addition cost in Arizona$46,400 – $289,000 · +3%Addition cost in Montana$45,600 – $283,900 · +1%Addition cost in Wisconsin$45,200 – $281,400 · 0%Addition cost in Michigan$44,600 – $277,200 · -1%Addition cost in Utah$44,600 – $277,200 · -1%Addition cost in Louisiana$44,200 – $275,000 · -2%Addition cost in Texas$44,200 – $275,000 · -2%Addition cost in North Dakota$44,000 – $273,800 · -2%Addition cost in Idaho$43,800 – $272,700 · -3%Addition cost in Wyoming$43,800 – $272,700 · -3%Addition cost in Georgia$43,200 – $268,800 · -4%Addition cost in New Mexico$43,000 – $267,400 · -5%Addition cost in North Carolina$42,800 – $266,300 · -5%Addition cost in Ohio$42,600 – $264,900 · -5%Addition cost in South Carolina$42,300 – $263,500 · -6%Addition cost in Indiana$41,800 – $259,800 · -7%Addition cost in Alabama$40,900 – $254,500 · -9%Addition cost in Missouri$40,900 – $254,500 · -9%Addition cost in Tennessee$40,900 – $254,500 · -9%Addition cost in Iowa$40,500 – $252,300 · -10%Addition cost in Kentucky$40,500 – $251,700 · -10%Addition cost in South Dakota$40,400 – $251,200 · -10%Addition cost in Nebraska$40,100 – $249,800 · -11%Addition cost in Kansas$39,700 – $247,000 · -12%Addition cost in West Virginia$39,500 – $245,800 · -12%Addition cost in Arkansas$39,300 – $244,400 · -13%Addition cost in Oklahoma$39,300 – $244,400 · -13%Addition cost in Mississippi$38,300 – $238,000 · -15%

State benchmark table

Low, typical and high home addition pricing in every state, from the same model as the ranges above.

StateLowTypicalHighvs US
Hawaii$78,800$183,900$490,300+75%
California$68,000$158,600$422,800+51%
New York$63,800$148,800$396,800+42%
Alaska$63,200$147,400$393,100+40%
Massachusetts$61,700$144,100$384,200+37%
District of Columbia$61,100$142,500$380,000+36%
New Jersey$60,100$140,200$373,800+34%
Connecticut$57,700$134,700$359,200+28%
Rhode Island$56,100$130,800$348,900+25%
Washington$55,900$130,400$347,800+24%
Oregon$55,400$129,300$344,700+23%
Maryland$53,800$125,500$334,600+20%
Illinois$52,400$122,200$325,900+16%
Florida$50,700$118,300$315,600+13%
Colorado$50,600$118,100$315,000+13%
New Hampshire$50,500$117,900$314,400+12%
Nevada$49,700$116,000$309,400+10%
Pennsylvania$49,300$115,000$306,600+9%
Vermont$48,700$113,600$303,000+8%
Delaware$48,600$113,500$302,700+8%
Minnesota$48,600$113,500$302,700+8%
Maine$48,500$113,100$301,600+8%
Virginia$48,400$112,900$301,000+7%
Arizona$46,400$108,400$289,000+3%
Montana$45,600$106,500$283,900+1%
Wisconsin$45,200$105,500$281,4000%
Michigan$44,600$104,000$277,200-1%
Utah$44,600$104,000$277,200-1%
Louisiana$44,200$103,100$275,000-2%
Texas$44,200$103,100$275,000-2%
North Dakota$44,000$102,700$273,800-2%
Idaho$43,800$102,300$272,700-3%
Wyoming$43,800$102,300$272,700-3%
Georgia$43,200$100,800$268,800-4%
New Mexico$43,000$100,300$267,400-5%
North Carolina$42,800$99,900$266,300-5%
Ohio$42,600$99,300$264,900-5%
South Carolina$42,300$98,800$263,500-6%
Indiana$41,800$97,400$259,800-7%
Alabama$40,900$95,400$254,500-9%
Missouri$40,900$95,400$254,500-9%
Tennessee$40,900$95,400$254,500-9%
Iowa$40,500$94,600$252,300-10%
Kentucky$40,500$94,400$251,700-10%
South Dakota$40,400$94,200$251,200-10%
Nebraska$40,100$93,700$249,800-11%
Kansas$39,700$92,600$247,000-12%
West Virginia$39,500$92,200$245,800-12%
Arkansas$39,300$91,700$244,400-13%
Oklahoma$39,300$91,700$244,400-13%
Mississippi$38,300$89,300$238,000-15%

Cost by city

Same scope, adjusted for local labor, material and permit pricing. Each city also has a permit page.

Addition cost in New York$82,200 – $511,600 · +83%Permit rules in New York →
Addition cost in Honolulu$80,300 – $499,800 · +78%Permit rules in Honolulu →
Addition cost in Hilo$76,500 – $475,700 · +70%Permit rules in Hilo →
Addition cost in Kailua$76,500 – $475,700 · +70%Permit rules in Kailua →
Addition cost in Kahului$76,500 – $475,700 · +70%Permit rules in Kahului →
Addition cost in San Jose$74,800 – $465,400 · +66%Permit rules in San Jose →
Addition cost in San Francisco$72,900 – $453,600 · +62%Permit rules in San Francisco →
Addition cost in Long Beach$71,100 – $442,400 · +58%Permit rules in Long Beach →
Addition cost in Oakland$71,100 – $442,400 · +58%Permit rules in Oakland →
Addition cost in Bakersfield$71,100 – $442,400 · +58%Permit rules in Bakersfield →
Addition cost in Anaheim$69,400 – $432,000 · +54%Permit rules in Anaheim →
Addition cost in Riverside$69,400 – $432,000 · +54%Permit rules in Riverside →
Addition cost in Stockton$69,400 – $432,000 · +54%Permit rules in Stockton →
Addition cost in Santa Ana$69,400 – $432,000 · +54%Permit rules in Santa Ana →
Addition cost in Irvine$69,400 – $432,000 · +54%Permit rules in Irvine →
Addition cost in Chula Vista$69,400 – $432,000 · +54%Permit rules in Chula Vista →
Addition cost in Fremont$69,400 – $432,000 · +54%Permit rules in Fremont →
Addition cost in Modesto$69,400 – $432,000 · +54%Permit rules in Modesto →
Addition cost in Santa Clarita$69,400 – $432,000 · +54%Permit rules in Santa Clarita →
Addition cost in Oxnard$69,400 – $432,000 · +54%Permit rules in Oxnard →
Addition cost in Glendale$69,400 – $432,000 · +54%Permit rules in Glendale →
Addition cost in Huntington Beach$69,400 – $432,000 · +54%Permit rules in Huntington Beach →
Addition cost in Ontario$69,400 – $432,000 · +54%Permit rules in Ontario →
Addition cost in Rancho Cucamonga$69,400 – $432,000 · +54%Permit rules in Rancho Cucamonga →
Addition cost in Elk Grove$69,400 – $432,000 · +54%Permit rules in Elk Grove →
Addition cost in Boston$69,400 – $431,800 · +54%Permit rules in Boston →
Addition cost in Pasadena$68,000 – $422,800 · +51%Permit rules in Pasadena →
Addition cost in Los Angeles$67,500 – $420,300 · +50%Permit rules in Los Angeles →
Addition cost in San Diego$65,800 – $409,400 · +46%Permit rules in San Diego →
Addition cost in Palm Springs$65,700 – $408,800 · +46%Permit rules in Palm Springs →
Addition cost in Buffalo$65,600 – $408,200 · +46%Permit rules in Buffalo →
Addition cost in Rochester$65,600 – $408,200 · +46%Permit rules in Rochester →
Addition cost in Yonkers$65,600 – $408,200 · +46%Permit rules in Yonkers →
Addition cost in Anchorage$64,500 – $401,500 · +43%Permit rules in Anchorage →
Addition cost in Syracuse$64,200 – $399,600 · +43%Permit rules in Syracuse →
Addition cost in Albany$64,200 – $399,600 · +43%Permit rules in Albany →
Addition cost in New Rochelle$64,200 – $399,600 · +43%Permit rules in New Rochelle →
Addition cost in Mount Vernon$64,200 – $399,600 · +43%Permit rules in Mount Vernon →
Addition cost in Schenectady$64,200 – $399,600 · +43%Permit rules in Schenectady →
Addition cost in Utica$64,200 – $399,600 · +43%Permit rules in Utica →
Addition cost in Worcester$63,100 – $392,800 · +40%Permit rules in Worcester →
Addition cost in Springfield$63,100 – $392,800 · +40%Permit rules in Springfield →
Addition cost in Newark$63,000 – $392,000 · +40%Permit rules in Newark →
Addition cost in Seattle$63,000 – $391,700 · +40%Permit rules in Seattle →
Addition cost in Naples$62,500 – $389,200 · +39%Permit rules in Naples →
Addition cost in Cambridge$61,700 – $384,200 · +37%Permit rules in Cambridge →
Addition cost in Lowell$61,700 – $384,200 · +37%Permit rules in Lowell →
Addition cost in Brockton$61,700 – $384,200 · +37%Permit rules in Brockton →
Addition cost in New Bedford$61,700 – $384,200 · +37%Permit rules in New Bedford →
Addition cost in Quincy$61,700 – $384,200 · +37%Permit rules in Quincy →
Addition cost in Lynn$61,700 – $384,200 · +37%Permit rules in Lynn →
Addition cost in Jersey City$61,500 – $382,500 · +37%Permit rules in Jersey City →
Addition cost in Paterson$61,500 – $382,500 · +37%Permit rules in Paterson →
Addition cost in Miami$61,200 – $381,100 · +36%Permit rules in Miami →
Addition cost in Fairbanks$61,000 – $379,700 · +36%Permit rules in Fairbanks →
Addition cost in Juneau$61,000 – $379,700 · +36%Permit rules in Juneau →
Addition cost in Wasilla$61,000 – $379,700 · +36%Permit rules in Wasilla →
Addition cost in Washington$60,900 – $378,800 · +35%Permit rules in Washington →
Addition cost in Chicago$60,300 – $374,900 · +34%Permit rules in Chicago →
Addition cost in Elizabeth$60,100 – $373,800 · +34%Permit rules in Elizabeth →
Addition cost in Edison$60,100 – $373,800 · +34%Permit rules in Edison →
Addition cost in Woodbridge$60,100 – $373,800 · +34%Permit rules in Woodbridge →
Addition cost in Trenton$60,100 – $373,800 · +34%Permit rules in Trenton →
Addition cost in Camden$60,100 – $373,800 · +34%Permit rules in Camden →
Addition cost in Toms River$60,100 – $373,800 · +34%Permit rules in Toms River →
Addition cost in Sacramento$59,200 – $368,500 · +32%Permit rules in Sacramento →
Addition cost in Fort Lauderdale$58,500 – $364,000 · +30%Permit rules in Fort Lauderdale →
Addition cost in Portland$58,100 – $361,800 · +29%Permit rules in Portland →
Addition cost in Bridgeport$57,700 – $359,200 · +28%Permit rules in Bridgeport →
Addition cost in New Haven$57,700 – $359,200 · +28%Permit rules in New Haven →
Addition cost in Stamford$57,700 – $359,200 · +28%Permit rules in Stamford →
Addition cost in Hartford$57,700 – $359,200 · +28%Permit rules in Hartford →
Addition cost in Waterbury$57,700 – $359,200 · +28%Permit rules in Waterbury →
Addition cost in Norwalk$57,700 – $359,200 · +28%Permit rules in Norwalk →
Addition cost in Danbury$57,700 – $359,200 · +28%Permit rules in Danbury →
Addition cost in Tacoma$57,700 – $359,000 · +28%Permit rules in Tacoma →
Addition cost in Vancouver$57,700 – $359,000 · +28%Permit rules in Vancouver →
Addition cost in Bellevue$57,700 – $359,000 · +28%Permit rules in Bellevue →
Addition cost in Providence$56,800 – $353,600 · +26%Permit rules in Providence →
Addition cost in Salem$56,700 – $353,100 · +26%Permit rules in Salem →
Addition cost in Eugene$56,700 – $353,100 · +26%Permit rules in Eugene →
Addition cost in Philadelphia$56,600 – $352,200 · +26%Permit rules in Philadelphia →
Addition cost in Kent$56,300 – $350,600 · +25%Permit rules in Kent →
Addition cost in Everett$56,300 – $350,600 · +25%Permit rules in Everett →
Addition cost in Renton$56,300 – $350,600 · +25%Permit rules in Renton →
Addition cost in Yakima$56,300 – $350,600 · +25%Permit rules in Yakima →
Addition cost in Bellingham$56,300 – $350,600 · +25%Permit rules in Bellingham →
Addition cost in West Palm Beach$56,300 – $350,300 · +25%Permit rules in West Palm Beach →
Addition cost in Warwick$56,100 – $348,900 · +25%Permit rules in Warwick →
Addition cost in Cranston$56,100 – $348,900 · +25%Permit rules in Cranston →
Addition cost in Pawtucket$56,100 – $348,900 · +25%Permit rules in Pawtucket →
Addition cost in Gresham$55,400 – $344,700 · +23%Permit rules in Gresham →
Addition cost in Hillsboro$55,400 – $344,700 · +23%Permit rules in Hillsboro →
Addition cost in Beaverton$55,400 – $344,700 · +23%Permit rules in Beaverton →
Addition cost in Bend$55,400 – $344,700 · +23%Permit rules in Bend →
Addition cost in Medford$55,400 – $344,700 · +23%Permit rules in Medford →
Addition cost in Springfield$55,400 – $344,700 · +23%Permit rules in Springfield →
Addition cost in Minneapolis$54,300 – $337,700 · +21%Permit rules in Minneapolis →
Addition cost in Olympia$54,200 – $337,400 · +21%Permit rules in Olympia →
Addition cost in Newport$54,000 – $336,300 · +20%Permit rules in Newport →
Addition cost in Columbia$53,800 – $334,600 · +20%Permit rules in Columbia →
Addition cost in Germantown$53,800 – $334,600 · +20%Permit rules in Germantown →
Addition cost in Silver Spring$53,800 – $334,600 · +20%Permit rules in Silver Spring →
Addition cost in Frederick$53,800 – $334,600 · +20%Permit rules in Frederick →
Addition cost in Rockville$53,800 – $334,600 · +20%Permit rules in Rockville →
Addition cost in Aurora$53,700 – $334,000 · +19%Permit rules in Aurora →
Addition cost in Joliet$53,700 – $334,000 · +19%Permit rules in Joliet →
Addition cost in Denver$53,600 – $333,500 · +19%Permit rules in Denver →
Addition cost in Fort Myers$53,400 – $332,400 · +19%Permit rules in Fort Myers →
Addition cost in Aurora$53,400 – $332,100 · +19%Permit rules in Aurora →
Addition cost in Corvallis$53,300 – $331,500 · +18%Permit rules in Corvallis →
Addition cost in Sarasota$52,600 – $327,300 · +17%Permit rules in Sarasota →
Addition cost in Naperville$52,400 – $325,900 · +16%Permit rules in Naperville →
Addition cost in Rockford$52,400 – $325,900 · +16%Permit rules in Rockford →
Addition cost in Springfield$52,400 – $325,900 · +16%Permit rules in Springfield →
Addition cost in Elgin$52,400 – $325,900 · +16%Permit rules in Elgin →
Addition cost in Peoria$52,400 – $325,900 · +16%Permit rules in Peoria →
Addition cost in Champaign$52,400 – $325,900 · +16%Permit rules in Champaign →
Addition cost in Evanston$52,400 – $325,900 · +16%Permit rules in Evanston →
Addition cost in Fresno$52,300 – $325,400 · +16%Permit rules in Fresno →
Addition cost in Cape Coral$52,200 – $325,100 · +16%Permit rules in Cape Coral →
Addition cost in Fort Collins$52,000 – $323,400 · +16%Permit rules in Fort Collins →
Addition cost in Lakewood$52,000 – $323,400 · +16%Permit rules in Lakewood →
Addition cost in Baltimore$51,800 – $322,600 · +15%Permit rules in Baltimore →
Addition cost in Annapolis$51,700 – $322,000 · +15%Permit rules in Annapolis →
Addition cost in Venice$51,400 – $320,000 · +14%Permit rules in Venice →
Addition cost in Austin$51,400 – $319,800 · +14%Permit rules in Austin →
Addition cost in Milwaukee$51,300 – $319,200 · +14%Permit rules in Milwaukee →
Addition cost in Henderson$51,000 – $317,500 · +13%Permit rules in Henderson →
Addition cost in North Las Vegas$51,000 – $317,500 · +13%Permit rules in North Las Vegas →
Addition cost in New Orleans$50,900 – $317,000 · +13%Permit rules in New Orleans →
Addition cost in Thornton$50,600 – $315,000 · +13%Permit rules in Thornton →
Addition cost in Arvada$50,600 – $315,000 · +13%Permit rules in Arvada →
Addition cost in Westminster$50,600 – $315,000 · +13%Permit rules in Westminster →
Addition cost in Pueblo$50,600 – $315,000 · +13%Permit rules in Pueblo →
Addition cost in Boulder$50,600 – $315,000 · +13%Permit rules in Boulder →
Addition cost in Greeley$50,600 – $315,000 · +13%Permit rules in Greeley →
Addition cost in Manchester$50,500 – $314,400 · +12%Permit rules in Manchester →
Addition cost in Nashua$50,500 – $314,400 · +12%Permit rules in Nashua →
Addition cost in Bradenton$50,500 – $314,200 · +12%Permit rules in Bradenton →
Addition cost in St. Paul$50,000 – $310,800 · +11%Permit rules in St. Paul →
Addition cost in Tampa$49,900 – $310,200 · +11%Permit rules in Tampa →
Addition cost in Sparks$49,700 – $309,400 · +10%Permit rules in Sparks →
Addition cost in Pittsburgh$49,700 – $309,100 · +10%Permit rules in Pittsburgh →
Addition cost in Chesapeake$49,700 – $309,100 · +10%Permit rules in Chesapeake →
Addition cost in Norfolk$49,700 – $309,100 · +10%Permit rules in Norfolk →
Addition cost in Newport News$49,700 – $309,100 · +10%Permit rules in Newport News →
Addition cost in Alexandria$49,700 – $309,100 · +10%Permit rules in Alexandria →
Addition cost in Arlington$49,700 – $309,100 · +10%Permit rules in Arlington →
Addition cost in St. Petersburg$49,600 – $308,800 · +10%Permit rules in St. Petersburg →
Addition cost in Allentown$49,300 – $306,600 · +9%Permit rules in Allentown →
Addition cost in Reading$49,300 – $306,600 · +9%Permit rules in Reading →
Addition cost in Erie$49,300 – $306,600 · +9%Permit rules in Erie →
Addition cost in Scranton$49,300 – $306,600 · +9%Permit rules in Scranton →
Addition cost in Bethlehem$49,300 – $306,600 · +9%Permit rules in Bethlehem →
Addition cost in Port St. Lucie$49,200 – $306,300 · +9%Permit rules in Port St. Lucie →
Addition cost in Reno$49,200 – $306,000 · +9%Permit rules in Reno →
Addition cost in Mesa$49,100 – $305,500 · +9%Permit rules in Mesa →
Addition cost in Clearwater$48,900 – $304,400 · +9%Permit rules in Clearwater →
Addition cost in Spokane$48,700 – $303,200 · +8%Permit rules in Spokane →
Addition cost in Salt Lake City$48,600 – $302,700 · +8%Permit rules in Salt Lake City →
Addition cost in Wilmington$48,600 – $302,700 · +8%Permit rules in Wilmington →
Addition cost in Rochester$48,600 – $302,700 · +8%Permit rules in Rochester →
Addition cost in Duluth$48,600 – $302,700 · +8%Permit rules in Duluth →
Addition cost in Bloomington$48,600 – $302,700 · +8%Permit rules in Bloomington →
Addition cost in Brooklyn Park$48,600 – $302,700 · +8%Permit rules in Brooklyn Park →
Addition cost in Plymouth$48,600 – $302,700 · +8%Permit rules in Plymouth →
Addition cost in St. Cloud$48,600 – $302,700 · +8%Permit rules in St. Cloud →
Addition cost in Concord$48,600 – $302,100 · +8%Permit rules in Concord →
Addition cost in Dover$48,600 – $302,100 · +8%Permit rules in Dover →
Addition cost in Portsmouth$48,600 – $302,100 · +8%Permit rules in Portsmouth →
Addition cost in Las Vegas$48,500 – $301,800 · +8%Permit rules in Las Vegas →
Addition cost in Portland$48,500 – $301,600 · +8%Permit rules in Portland →
Addition cost in Detroit$48,400 – $301,000 · +7%Permit rules in Detroit →
Addition cost in Hampton$48,400 – $301,000 · +7%Permit rules in Hampton →
Addition cost in Roanoke$48,400 – $301,000 · +7%Permit rules in Roanoke →
Addition cost in Lynchburg$48,400 – $301,000 · +7%Permit rules in Lynchburg →
Addition cost in Cleveland$47,900 – $298,200 · +6%Permit rules in Cleveland →
Addition cost in Charleston$47,900 – $297,900 · +6%Permit rules in Charleston →
Addition cost in Colorado Springs$47,700 – $297,100 · +6%Permit rules in Colorado Springs →
Addition cost in Carson City$47,700 – $297,100 · +6%Permit rules in Carson City →
Addition cost in Elko$47,700 – $297,100 · +6%Permit rules in Elko →
Addition cost in Port Charlotte$47,700 – $296,800 · +6%Permit rules in Port Charlotte →
Addition cost in Chandler$47,700 – $296,800 · +6%Permit rules in Chandler →
Addition cost in Scottsdale$47,700 – $296,800 · +6%Permit rules in Scottsdale →
Addition cost in Glendale$47,700 – $296,800 · +6%Permit rules in Glendale →
Addition cost in Gilbert$47,700 – $296,800 · +6%Permit rules in Gilbert →
Addition cost in Tempe$47,700 – $296,800 · +6%Permit rules in Tempe →
Addition cost in Peoria$47,700 – $296,800 · +6%Permit rules in Peoria →
Addition cost in Orlando$47,500 – $295,400 · +5%Permit rules in Orlando →
Addition cost in Phoenix$47,400 – $295,100 · +5%Permit rules in Phoenix →
Addition cost in Lancaster$47,300 – $294,300 · +5%Permit rules in Lancaster →
Addition cost in Harrisburg$47,300 – $294,300 · +5%Permit rules in Harrisburg →
Addition cost in St. Augustine$47,300 – $294,000 · +5%Permit rules in St. Augustine →
Addition cost in Nashville$47,100 – $293,200 · +5%Permit rules in Nashville →
Addition cost in Brandon$47,100 – $292,900 · +5%Permit rules in Brandon →
Addition cost in Melbourne$47,000 – $292,300 · +4%Permit rules in Melbourne →
Addition cost in El Paso$46,800 – $291,200 · +4%Permit rules in El Paso →
Addition cost in Arlington$46,800 – $291,200 · +4%Permit rules in Arlington →
Addition cost in Burlington$46,800 – $291,200 · +4%Permit rules in Burlington →
Addition cost in South Burlington$46,800 – $291,200 · +4%Permit rules in South Burlington →
Addition cost in Rutland$46,800 – $291,200 · +4%Permit rules in Rutland →
Addition cost in Montpelier$46,800 – $291,200 · +4%Permit rules in Montpelier →
Addition cost in Dover$46,700 – $290,600 · +4%Permit rules in Dover →
Addition cost in Newark$46,700 – $290,600 · +4%Permit rules in Newark →
Addition cost in St. Louis$46,700 – $290,400 · +4%Permit rules in St. Louis →
Addition cost in Columbus$46,700 – $290,400 · +4%Permit rules in Columbus →
Addition cost in Atlanta$46,700 – $290,400 · +4%Permit rules in Atlanta →
Addition cost in Houston$46,600 – $290,100 · +4%Permit rules in Houston →
Addition cost in Lewiston$46,500 – $289,500 · +3%Permit rules in Lewiston →
Addition cost in Bangor$46,500 – $289,500 · +3%Permit rules in Bangor →
Addition cost in Augusta$46,500 – $289,500 · +3%Permit rules in Augusta →
Addition cost in Surprise$46,400 – $289,000 · +3%Permit rules in Surprise →
Addition cost in Flagstaff$46,400 – $289,000 · +3%Permit rules in Flagstaff →
Addition cost in Yuma$46,400 – $289,000 · +3%Permit rules in Yuma →
Addition cost in Madison$46,400 – $289,000 · +3%Permit rules in Madison →
Addition cost in Dallas$46,400 – $288,400 · +3%Permit rules in Dallas →
Addition cost in Virginia Beach$46,400 – $288,400 · +3%Permit rules in Virginia Beach →
Addition cost in Boise$46,300 – $287,800 · +3%Permit rules in Boise →
Addition cost in Richmond$45,900 – $285,900 · +2%Permit rules in Richmond →
Addition cost in Daytona Beach$45,900 – $285,300 · +2%Permit rules in Daytona Beach →
Addition cost in Grand Rapids$45,800 – $284,800 · +2%Permit rules in Grand Rapids →
Addition cost in Billings$45,600 – $283,900 · +1%Permit rules in Billings →
Addition cost in Missoula$45,600 – $283,900 · +1%Permit rules in Missoula →
Addition cost in Great Falls$45,600 – $283,900 · +1%Permit rules in Great Falls →
Addition cost in Kansas City$45,500 – $283,400 · +1%Permit rules in Kansas City →
Addition cost in Raleigh$45,500 – $283,100 · +1%Permit rules in Raleigh →
Addition cost in Corpus Christi$45,500 – $282,800 · +1%Permit rules in Corpus Christi →
Addition cost in Plano$45,500 – $282,800 · +1%Permit rules in Plano →
Addition cost in Laredo$45,500 – $282,800 · +1%Permit rules in Laredo →
Addition cost in Lubbock$45,500 – $282,800 · +1%Permit rules in Lubbock →
Addition cost in Garland$45,500 – $282,800 · +1%Permit rules in Garland →
Addition cost in Irving$45,500 – $282,800 · +1%Permit rules in Irving →
Addition cost in Amarillo$45,500 – $282,800 · +1%Permit rules in Amarillo →
Addition cost in Grand Prairie$45,500 – $282,800 · +1%Permit rules in Grand Prairie →
Addition cost in McKinney$45,500 – $282,800 · +1%Permit rules in McKinney →
Addition cost in Frisco$45,500 – $282,800 · +1%Permit rules in Frisco →
Addition cost in Brownsville$45,500 – $282,800 · +1%Permit rules in Brownsville →
Addition cost in Killeen$45,500 – $282,800 · +1%Permit rules in Killeen →
Addition cost in Baton Rouge$45,500 – $282,800 · +1%Permit rules in Baton Rouge →
Addition cost in Shreveport$45,500 – $282,800 · +1%Permit rules in Shreveport →
Addition cost in Green Bay$45,200 – $281,400 · 0%Permit rules in Green Bay →
Addition cost in Kenosha$45,200 – $281,400 · 0%Permit rules in Kenosha →
Addition cost in Racine$45,200 – $281,400 · 0%Permit rules in Racine →
Addition cost in Appleton$45,200 – $281,400 · 0%Permit rules in Appleton →
Addition cost in Waukesha$45,200 – $281,400 · 0%Permit rules in Waukesha →
Addition cost in Eau Claire$45,200 – $281,400 · 0%Permit rules in Eau Claire →
Addition cost in Kissimmee$45,100 – $280,600 · 0%Permit rules in Kissimmee →
Addition cost in Fort Worth$45,100 – $280,600 · 0%Permit rules in Fort Worth →
Addition cost in Charlotte$45,000 – $280,300 · 0%Permit rules in Charlotte →
Addition cost in Pensacola$44,900 – $279,200 · 0%Permit rules in Pensacola →
Addition cost in West Valley City$44,600 – $277,200 · -1%Permit rules in West Valley City →
Addition cost in Provo$44,600 – $277,200 · -1%Permit rules in Provo →
Addition cost in West Jordan$44,600 – $277,200 · -1%Permit rules in West Jordan →
Addition cost in Orem$44,600 – $277,200 · -1%Permit rules in Orem →
Addition cost in Sandy$44,600 – $277,200 · -1%Permit rules in Sandy →
Addition cost in St. George$44,600 – $277,200 · -1%Permit rules in St. George →
Addition cost in Ogden$44,600 – $277,200 · -1%Permit rules in Ogden →
Addition cost in Lehi$44,600 – $277,200 · -1%Permit rules in Lehi →
Addition cost in Warren$44,600 – $277,200 · -1%Permit rules in Warren →
Addition cost in Sterling Heights$44,600 – $277,200 · -1%Permit rules in Sterling Heights →
Addition cost in Ann Arbor$44,600 – $277,200 · -1%Permit rules in Ann Arbor →
Addition cost in Lansing$44,600 – $277,200 · -1%Permit rules in Lansing →
Addition cost in Dearborn$44,600 – $277,200 · -1%Permit rules in Dearborn →
Addition cost in Livonia$44,600 – $277,200 · -1%Permit rules in Livonia →
Addition cost in Troy$44,600 – $277,200 · -1%Permit rules in Troy →
Addition cost in Kalamazoo$44,600 – $277,200 · -1%Permit rules in Kalamazoo →
Addition cost in Flint$44,600 – $277,200 · -1%Permit rules in Flint →
Addition cost in Indianapolis$44,400 – $276,400 · -1%Permit rules in Indianapolis →
Addition cost in Des Moines$44,400 – $276,400 · -1%Permit rules in Des Moines →
Addition cost in Augusta$44,400 – $276,400 · -1%Permit rules in Augusta →
Addition cost in Columbus$44,400 – $276,400 · -1%Permit rules in Columbus →
Addition cost in Macon$44,400 – $276,400 · -1%Permit rules in Macon →
Addition cost in Jacksonville$44,300 – $275,800 · -2%Permit rules in Jacksonville →
Addition cost in Pasadena$44,200 – $275,000 · -2%Permit rules in Pasadena →
Addition cost in Waco$44,200 – $275,000 · -2%Permit rules in Waco →
Addition cost in Midland$44,200 – $275,000 · -2%Permit rules in Midland →
Addition cost in Round Rock$44,200 – $275,000 · -2%Permit rules in Round Rock →
Addition cost in Beaumont$44,200 – $275,000 · -2%Permit rules in Beaumont →
Addition cost in Lafayette$44,200 – $275,000 · -2%Permit rules in Lafayette →
Addition cost in Lake Charles$44,200 – $275,000 · -2%Permit rules in Lake Charles →
Addition cost in Kenner$44,200 – $275,000 · -2%Permit rules in Kenner →
Addition cost in Bossier City$44,200 – $275,000 · -2%Permit rules in Bossier City →
Addition cost in Greensboro$44,000 – $273,800 · -2%Permit rules in Greensboro →
Addition cost in Durham$44,000 – $273,800 · -2%Permit rules in Durham →
Addition cost in Winston-Salem$44,000 – $273,800 · -2%Permit rules in Winston-Salem →
Addition cost in Fayetteville$44,000 – $273,800 · -2%Permit rules in Fayetteville →
Addition cost in Cary$44,000 – $273,800 · -2%Permit rules in Cary →
Addition cost in Fargo$44,000 – $273,800 · -2%Permit rules in Fargo →
Addition cost in Bismarck$44,000 – $273,800 · -2%Permit rules in Bismarck →
Addition cost in Omaha$43,900 – $273,300 · -2%Permit rules in Omaha →
Addition cost in Meridian$43,800 – $272,700 · -3%Permit rules in Meridian →
Addition cost in Nampa$43,800 – $272,700 · -3%Permit rules in Nampa →
Addition cost in Idaho Falls$43,800 – $272,700 · -3%Permit rules in Idaho Falls →
Addition cost in Cheyenne$43,800 – $272,700 · -3%Permit rules in Cheyenne →
Addition cost in Cincinnati$43,800 – $272,400 · -3%Permit rules in Cincinnati →
Addition cost in Toledo$43,800 – $272,400 · -3%Permit rules in Toledo →
Addition cost in Akron$43,800 – $272,400 · -3%Permit rules in Akron →
Addition cost in Louisville$43,700 – $272,200 · -3%Permit rules in Louisville →
Addition cost in Bozeman$43,700 – $271,900 · -3%Permit rules in Bozeman →
Addition cost in Helena$43,700 – $271,900 · -3%Permit rules in Helena →
Addition cost in Kalispell$43,700 – $271,900 · -3%Permit rules in Kalispell →
Addition cost in Lakeland$43,300 – $269,600 · -4%Permit rules in Lakeland →
Addition cost in San Antonio$43,300 – $269,400 · -4%Permit rules in San Antonio →
Addition cost in Savannah$43,200 – $268,800 · -4%Permit rules in Savannah →
Addition cost in Athens$43,200 – $268,800 · -4%Permit rules in Athens →
Addition cost in Sandy Springs$43,200 – $268,800 · -4%Permit rules in Sandy Springs →
Addition cost in Roswell$43,200 – $268,800 · -4%Permit rules in Roswell →
Addition cost in Johns Creek$43,200 – $268,800 · -4%Permit rules in Johns Creek →
Addition cost in Marietta$43,200 – $268,800 · -4%Permit rules in Marietta →
Addition cost in Tucson$43,100 – $268,200 · -4%Permit rules in Tucson →
Addition cost in Las Cruces$43,000 – $267,400 · -5%Permit rules in Las Cruces →
Addition cost in Rio Rancho$43,000 – $267,400 · -5%Permit rules in Rio Rancho →
Addition cost in Santa Fe$43,000 – $267,400 · -5%Permit rules in Santa Fe →
Addition cost in Fort Wayne$43,000 – $267,400 · -5%Permit rules in Fort Wayne →
Addition cost in Wilmington$42,800 – $266,300 · -5%Permit rules in Wilmington →
Addition cost in High Point$42,800 – $266,300 · -5%Permit rules in High Point →
Addition cost in Asheville$42,800 – $266,300 · -5%Permit rules in Asheville →
Addition cost in Columbia$42,600 – $265,200 · -5%Permit rules in Columbia →
Addition cost in Dayton$42,600 – $264,900 · -5%Permit rules in Dayton →
Addition cost in Parma$42,600 – $264,900 · -5%Permit rules in Parma →
Addition cost in Canton$42,600 – $264,900 · -5%Permit rules in Canton →
Addition cost in Lorain$42,600 – $264,900 · -5%Permit rules in Lorain →
Addition cost in Gainesville$42,500 – $264,300 · -6%Permit rules in Gainesville →
Addition cost in Albuquerque$42,500 – $264,300 · -6%Permit rules in Albuquerque →
Addition cost in Galveston$42,300 – $263,500 · -6%Permit rules in Galveston →
Addition cost in Monroe$42,300 – $263,500 · -6%Permit rules in Monroe →
Addition cost in North Charleston$42,300 – $263,500 · -6%Permit rules in North Charleston →
Addition cost in Mount Pleasant$42,300 – $263,500 · -6%Permit rules in Mount Pleasant →
Addition cost in Rock Hill$42,300 – $263,500 · -6%Permit rules in Rock Hill →
Addition cost in Greenville$42,300 – $263,500 · -6%Permit rules in Greenville →
Addition cost in Tallahassee$42,300 – $262,900 · -6%Permit rules in Tallahassee →
Addition cost in Grand Forks$42,200 – $262,400 · -6%Permit rules in Grand Forks →
Addition cost in Minot$42,200 – $262,400 · -6%Permit rules in Minot →
Addition cost in Huntsville$42,100 – $262,100 · -6%Permit rules in Huntsville →
Addition cost in Montgomery$42,100 – $262,100 · -6%Permit rules in Montgomery →
Addition cost in Mobile$42,100 – $262,100 · -6%Permit rules in Mobile →
Addition cost in Knoxville$42,100 – $262,100 · -6%Permit rules in Knoxville →
Addition cost in Chattanooga$42,100 – $262,100 · -6%Permit rules in Chattanooga →
Addition cost in Clarksville$42,100 – $262,100 · -6%Permit rules in Clarksville →
Addition cost in Murfreesboro$42,100 – $262,100 · -6%Permit rules in Murfreesboro →
Addition cost in Springfield$42,100 – $262,100 · -6%Permit rules in Springfield →
Addition cost in Pocatello$42,000 – $261,200 · -7%Permit rules in Pocatello →
Addition cost in Coeur d'Alene$42,000 – $261,200 · -7%Permit rules in Coeur d'Alene →
Addition cost in Twin Falls$42,000 – $261,200 · -7%Permit rules in Twin Falls →
Addition cost in Casper$41,900 – $261,000 · -7%Permit rules in Casper →
Addition cost in Gillette$41,900 – $261,000 · -7%Permit rules in Gillette →
Addition cost in Laramie$41,900 – $261,000 · -7%Permit rules in Laramie →
Addition cost in Rock Springs$41,900 – $261,000 · -7%Permit rules in Rock Springs →
Addition cost in Tulsa$41,800 – $259,800 · -7%Permit rules in Tulsa →
Addition cost in Evansville$41,800 – $259,800 · -7%Permit rules in Evansville →
Addition cost in South Bend$41,800 – $259,800 · -7%Permit rules in South Bend →
Addition cost in Carmel$41,800 – $259,800 · -7%Permit rules in Carmel →
Addition cost in Fishers$41,800 – $259,800 · -7%Permit rules in Fishers →
Addition cost in Bloomington$41,800 – $259,800 · -7%Permit rules in Bloomington →
Addition cost in Hammond$41,800 – $259,800 · -7%Permit rules in Hammond →
Addition cost in Lexington$41,700 – $259,300 · -7%Permit rules in Lexington →
Addition cost in Oklahoma City$41,600 – $259,000 · -7%Permit rules in Oklahoma City →
Addition cost in Sioux Falls$41,500 – $258,400 · -8%Permit rules in Sioux Falls →
Addition cost in Lincoln$41,300 – $257,000 · -8%Permit rules in Lincoln →
Addition cost in Memphis$41,100 – $255,600 · -9%Permit rules in Memphis →
Addition cost in Birmingham$41,100 – $255,600 · -9%Permit rules in Birmingham →
Addition cost in Roswell$41,100 – $255,600 · -9%Permit rules in Roswell →
Addition cost in Farmington$41,100 – $255,600 · -9%Permit rules in Farmington →
Addition cost in Tuscaloosa$40,900 – $254,500 · -9%Permit rules in Tuscaloosa →
Addition cost in Hoover$40,900 – $254,500 · -9%Permit rules in Hoover →
Addition cost in Auburn$40,900 – $254,500 · -9%Permit rules in Auburn →
Addition cost in Dothan$40,900 – $254,500 · -9%Permit rules in Dothan →
Addition cost in Franklin$40,900 – $254,500 · -9%Permit rules in Franklin →
Addition cost in Johnson City$40,900 – $254,500 · -9%Permit rules in Johnson City →
Addition cost in Columbia$40,900 – $254,500 · -9%Permit rules in Columbia →
Addition cost in Independence$40,900 – $254,500 · -9%Permit rules in Independence →
Addition cost in Lee's Summit$40,900 – $254,500 · -9%Permit rules in Lee's Summit →
Addition cost in O'Fallon$40,900 – $254,500 · -9%Permit rules in O'Fallon →
Addition cost in St. Joseph$40,900 – $254,500 · -9%Permit rules in St. Joseph →
Addition cost in Overland Park$40,900 – $254,500 · -9%Permit rules in Overland Park →
Addition cost in Kansas City$40,900 – $254,500 · -9%Permit rules in Kansas City →
Addition cost in Youngstown$40,700 – $253,100 · -10%Permit rules in Youngstown →
Addition cost in Cedar Rapids$40,500 – $252,300 · -10%Permit rules in Cedar Rapids →
Addition cost in Davenport$40,500 – $252,300 · -10%Permit rules in Davenport →
Addition cost in Sioux City$40,500 – $252,300 · -10%Permit rules in Sioux City →
Addition cost in Iowa City$40,500 – $252,300 · -10%Permit rules in Iowa City →
Addition cost in Ames$40,500 – $252,300 · -10%Permit rules in Ames →
Addition cost in Council Bluffs$40,500 – $252,300 · -10%Permit rules in Council Bluffs →
Addition cost in Wichita$40,500 – $251,700 · -10%Permit rules in Wichita →
Addition cost in Little Rock$40,500 – $251,700 · -10%Permit rules in Little Rock →
Addition cost in Summerville$40,500 – $251,700 · -10%Permit rules in Summerville →
Addition cost in Myrtle Beach$40,500 – $251,700 · -10%Permit rules in Myrtle Beach →
Addition cost in Bowling Green$40,500 – $251,700 · -10%Permit rules in Bowling Green →
Addition cost in Owensboro$40,500 – $251,700 · -10%Permit rules in Owensboro →
Addition cost in Rapid City$40,400 – $251,200 · -10%Permit rules in Rapid City →
Addition cost in Bellevue$40,100 – $249,800 · -11%Permit rules in Bellevue →
Addition cost in Olathe$39,700 – $247,000 · -12%Permit rules in Olathe →
Addition cost in Topeka$39,700 – $247,000 · -12%Permit rules in Topeka →
Addition cost in Lawrence$39,700 – $247,000 · -12%Permit rules in Lawrence →
Addition cost in Shawnee$39,700 – $247,000 · -12%Permit rules in Shawnee →
Addition cost in Fayetteville$39,300 – $244,400 · -13%Permit rules in Fayetteville →
Addition cost in Fort Smith$39,300 – $244,400 · -13%Permit rules in Fort Smith →
Addition cost in Springdale$39,300 – $244,400 · -13%Permit rules in Springdale →
Addition cost in Jonesboro$39,300 – $244,400 · -13%Permit rules in Jonesboro →
Addition cost in Rogers$39,300 – $244,400 · -13%Permit rules in Rogers →
Addition cost in Norman$39,300 – $244,400 · -13%Permit rules in Norman →
Addition cost in Broken Arrow$39,300 – $244,400 · -13%Permit rules in Broken Arrow →
Addition cost in Edmond$39,300 – $244,400 · -13%Permit rules in Edmond →
Addition cost in Lawton$39,300 – $244,400 · -13%Permit rules in Lawton →
Addition cost in Moore$39,300 – $244,400 · -13%Permit rules in Moore →
Addition cost in Covington$38,700 – $240,500 · -14%Permit rules in Covington →
Addition cost in Frankfort$38,700 – $240,500 · -14%Permit rules in Frankfort →
Addition cost in Aberdeen$38,600 – $240,000 · -14%Permit rules in Aberdeen →
Addition cost in Brookings$38,600 – $240,000 · -14%Permit rules in Brookings →
Addition cost in Grand Island$38,300 – $238,600 · -15%Permit rules in Grand Island →
Addition cost in Kearney$38,300 – $238,600 · -15%Permit rules in Kearney →
Addition cost in Jackson$38,300 – $238,000 · -15%Permit rules in Jackson →
Addition cost in Gulfport$38,300 – $238,000 · -15%Permit rules in Gulfport →
Addition cost in Charleston$37,700 – $234,600 · -16%Permit rules in Charleston →
Addition cost in Huntington$37,700 – $234,600 · -16%Permit rules in Huntington →
Addition cost in Morgantown$37,700 – $234,600 · -16%Permit rules in Morgantown →
Addition cost in Parkersburg$37,700 – $234,600 · -16%Permit rules in Parkersburg →
Addition cost in Wheeling$37,700 – $234,600 · -16%Permit rules in Wheeling →
Addition cost in Southaven$36,500 – $226,800 · -19%Permit rules in Southaven →
Addition cost in Biloxi$36,500 – $226,800 · -19%Permit rules in Biloxi →
Addition cost in Hattiesburg$36,500 – $226,800 · -19%Permit rules in Hattiesburg →
Addition cost in Meridian$36,500 – $226,800 · -19%Permit rules in Meridian →

Frequently asked questions

Do I need a permit for home addition?

In most jurisdictions this work is permitted and inspected. Requirements are set locally, so confirm the current application and inspection checklist with your building department before work starts.

How long does home addition take?

3-6 months of construction, 6-14 months including design and permitting. Permit review and inspection scheduling are usually the largest source of variation.

What changes the price the most?

The largest cost drivers are added square footage and whether it is one or two stories; foundation type and site conditions; extending or adding hvac capacity.

Sources

Sources & verification

Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.