Cost engine

How much does mold remediation cost?

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

Model reviewed August 2026

Mold Remediation cost

$1,500 – $15,000

Most homeowners pay around $4,500 for mold remediation, or $12–$35 per sq ft of affected area. Permit fees add $0–$300.

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$1,500
Typical project$4,500
Premium / complex$15,000
per sq ft of affected area$12 – $35
Permit fees$0 – $300
Timeline3-10 days of work

What drives the price

  • Affected square footage and number of rooms
  • HVAC system contamination
  • Containment and negative air equipment
  • Demolition and reconstruction of affected assemblies
  • Independent clearance testing

Cost by state

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

Most expensive states

Hawaii$7,900California$6,400Alaska$6,300New York$6,100Massachusetts$6,000District of Columbia$5,900

Least expensive states

Mississippi$3,700West Virginia$3,900Oklahoma$3,900Kansas$3,900Arkansas$3,900Tennessee$4,000

Mold Remediation runs about 114% more in Hawaii than in Mississippi for an identical scope — almost entirely a labor and code-load difference.

Mold cost in Hawaii$2,600 – $26,200 · +75%Mold cost in California$2,100 – $21,300 · +42%Mold cost in Alaska$2,100 – $21,100 · +41%Mold cost in New York$2,000 – $20,500 · +36%Mold cost in Massachusetts$2,000 – $20,000 · +33%Mold cost in District of Columbia$2,000 – $19,700 · +31%Mold cost in New Jersey$1,900 – $19,200 · +28%Mold cost in Connecticut$1,900 – $18,700 · +25%Mold cost in Rhode Island$1,800 – $18,300 · +22%Mold cost in Oregon$1,800 – $17,900 · +19%Mold cost in Washington$1,800 – $18,100 · +21%Mold cost in Maryland$1,700 – $17,400 · +16%Mold cost in Illinois$1,700 – $16,900 · +13%Mold cost in Colorado$1,700 – $16,600 · +11%Mold cost in New Hampshire$1,700 – $16,800 · +12%Mold cost in Nevada$1,600 – $16,300 · +8%Mold cost in Vermont$1,600 – $16,400 · +9%Mold cost in Delaware$1,600 – $16,000 · +7%Mold cost in Florida$1,600 – $16,100 · +8%Mold cost in Maine$1,600 – $16,100 · +7%Mold cost in Minnesota$1,600 – $16,000 · +7%Mold cost in Pennsylvania$1,600 – $16,100 · +7%Mold cost in Virginia$1,600 – $15,800 · +5%Mold cost in Arizona$1,500 – $15,200 · +1%Mold cost in Montana$1,500 – $15,100 · +1%Mold cost in Michigan$1,500 – $14,600 · -3%Mold cost in North Dakota$1,500 – $14,700 · -2%Mold cost in Utah$1,500 – $14,600 · -3%Mold cost in Wisconsin$1,500 – $14,800 · -1%Mold cost in Wyoming$1,500 – $14,700 · -2%Mold cost in Idaho$1,400 – $14,400 · -4%Mold cost in Louisiana$1,400 – $14,300 · -4%Mold cost in Texas$1,400 – $14,300 · -4%Mold cost in Georgia$1,400 – $14,100 · -6%Mold cost in New Mexico$1,400 – $14,100 · -6%Mold cost in North Carolina$1,400 – $14,000 · -7%Mold cost in Ohio$1,400 – $13,900 · -7%Mold cost in Indiana$1,400 – $13,700 · -9%Mold cost in South Carolina$1,400 – $13,800 · -8%Mold cost in Alabama$1,300 – $13,400 · -11%Mold cost in Iowa$1,300 – $13,400 · -11%Mold cost in Kentucky$1,300 – $13,200 · -12%Mold cost in Missouri$1,300 – $13,400 · -11%Mold cost in Nebraska$1,300 – $13,200 · -12%Mold cost in South Dakota$1,300 – $13,300 · -11%Mold cost in Tennessee$1,300 – $13,400 · -11%Mold cost in Arkansas$1,300 – $12,800 · -14%Mold cost in Kansas$1,300 – $13,000 · -13%Mold cost in Oklahoma$1,300 – $12,800 · -14%Mold cost in West Virginia$1,300 – $13,000 · -13%Mold cost in Mississippi$1,200 – $12,500 · -17%

State benchmark table

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

StateLowTypicalHighvs US
Hawaii$2,600$7,900$26,200+75%
California$2,100$6,400$21,300+42%
Alaska$2,100$6,300$21,100+41%
New York$2,000$6,100$20,500+36%
Massachusetts$2,000$6,000$20,000+33%
District of Columbia$2,000$5,900$19,700+31%
New Jersey$1,900$5,800$19,200+28%
Connecticut$1,900$5,600$18,700+25%
Rhode Island$1,800$5,500$18,300+22%
Oregon$1,800$5,400$17,900+19%
Washington$1,800$5,400$18,100+21%
Maryland$1,700$5,200$17,400+16%
Illinois$1,700$5,100$16,900+13%
Colorado$1,700$5,000$16,600+11%
New Hampshire$1,700$5,000$16,800+12%
Nevada$1,600$4,900$16,300+8%
Vermont$1,600$4,900$16,400+9%
Delaware$1,600$4,800$16,000+7%
Florida$1,600$4,800$16,100+8%
Maine$1,600$4,800$16,100+7%
Minnesota$1,600$4,800$16,000+7%
Pennsylvania$1,600$4,800$16,100+7%
Virginia$1,600$4,700$15,800+5%
Arizona$1,500$4,600$15,200+1%
Montana$1,500$4,500$15,100+1%
Michigan$1,500$4,400$14,600-3%
North Dakota$1,500$4,400$14,700-2%
Utah$1,500$4,400$14,600-3%
Wisconsin$1,500$4,400$14,800-1%
Wyoming$1,500$4,400$14,700-2%
Idaho$1,400$4,300$14,400-4%
Louisiana$1,400$4,300$14,300-4%
Texas$1,400$4,300$14,300-4%
Georgia$1,400$4,200$14,100-6%
New Mexico$1,400$4,200$14,100-6%
North Carolina$1,400$4,200$14,000-7%
Ohio$1,400$4,200$13,900-7%
Indiana$1,400$4,100$13,700-9%
South Carolina$1,400$4,100$13,800-8%
Alabama$1,300$4,000$13,400-11%
Iowa$1,300$4,000$13,400-11%
Kentucky$1,300$4,000$13,200-12%
Missouri$1,300$4,000$13,400-11%
Nebraska$1,300$4,000$13,200-12%
South Dakota$1,300$4,000$13,300-11%
Tennessee$1,300$4,000$13,400-11%
Arkansas$1,300$3,900$12,800-14%
Kansas$1,300$3,900$13,000-13%
Oklahoma$1,300$3,900$12,800-14%
West Virginia$1,300$3,900$13,000-13%
Mississippi$1,200$3,700$12,500-17%

Cost by city

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

Frequently asked questions

How long does mold remediation take?

3-10 days of work. Permit review and inspection scheduling are usually the largest source of variation.

What changes the price the most?

The largest cost drivers are affected square footage and number of rooms; hvac system contamination; containment and negative air equipment.

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.