Baltimore City

Home permits and project costs in Baltimore, MD

Baltimore City is independent of Baltimore County, so identical projects a few blocks apart can fall under different permit offices.

Model reviewed August 2026

Local cost index

+8%

vs national average

Permit fee index

+12%

vs national baseline

Population

565,239

Homeownership

47%

Do you need a permit in Baltimore?

For most structural work, yes

Baltimore enforces maryland building performance standards, based on the irc through Baltimore City. Roofing, electrical, plumbing, structural, pools and most exterior additions require a permit and inspection. Cosmetic work — paint, flooring, cabinet swaps — generally does not.

Project costs in Baltimore

National baselines adjusted by the local labor and materials index.

Project	Typical cost	Permit	Deep pages
Roof Replacement	$11,000 – $37,000	required	Cost·Permit
AC Replacement	$5,800 – $17,400	required	Cost·Permit
Fence Installation	$2,700 – $12,300	usually required	Cost·Permit
Water Heater Replacement	$1,400 – $6,100	required	Cost·Permit
Pool Installation	$43,200 – $130,900	required	Cost·Permit
Window Replacement	$8,600 – $38,800	required	Cost·Permit
Electrical Panel Replacement	$2,200 – $7,700	required	Cost·Permit
Generator Installation	$7,400 – $24,900	required	Cost·Permit
Solar Panel Installation	$16,800 – $53,700	required	Cost·Permit
Kitchen Remodel	$19,700 – $100,600	conditional	Cost·Permit
Bathroom Remodel	$9,900 – $46,100	conditional	Cost·Permit
Driveway Replacement	$4,700 – $21,200	usually required	Cost·Permit
Paver Patio & Walkway	$3,900 – $17,600	conditional	Cost·Permit
Deck Construction	$6,200 – $31,600	required	Cost·Permit
Shed Installation	$2,000 – $13,200	conditional	Cost·Permit
Whole-House Repipe	$5,100 – $18,100	required	Cost·Permit
EV Charger Installation	$900 – $4,700	required	Cost·Permit
Hurricane Shutter Installation	$3,700 – $20,700	required	Cost·Permit
Pool Enclosure / Screen Cage	$10,300 – $48,100	required	Cost·Permit
Septic System Replacement	$8,600 – $32,000	required	Cost·Permit
Impact Window Installation	$10,400 – $48,300	required	Cost·Permit
Exterior Door Replacement	$1,000 – $7,400	usually required	Cost·Permit
Garage Door Replacement	$1,600 – $8,600	required	Cost·Permit
Siding Installation	$9,000 – $42,900	usually required	Cost·Permit
Stucco Repair	$1,000 – $17,600	conditional	Cost·Permit
Soffit & Fascia Replacement	$2,000 – $12,400	conditional	Cost·Permit
Gutter Installation	$1,000 – $7,100	rarely required	Cost·Permit
Roof Repair	$500 – $5,400	conditional	Cost·Permit
Flat Roof Replacement	$6,900 – $32,300	required	Cost·Permit
Attic Insulation	$1,300 – $8,100	rarely required	Cost·Permit
Ductwork Replacement	$2,800 – $13,500	required	Cost·Permit
Mini Split Installation	$2,700 – $14,000	required	Cost·Permit
Flooring Installation	$2,700 – $21,700	rarely required	Cost·Permit
Tile Installation	$2,000 – $17,500	rarely required	Cost·Permit
Interior Painting	$1,600 – $10,400	rarely required	Cost·Permit
Exterior Painting	$3,100 – $16,400	rarely required	Cost·Permit
Drywall Repair	$400 – $4,900	rarely required	Cost·Permit
Kitchen Cabinet Refacing	$4,900 – $21,800	rarely required	Cost·Permit
Countertop Replacement	$2,400 – $12,900	rarely required	Cost·Permit
Tub to Shower Conversion	$3,900 – $17,900	usually required	Cost·Permit
Sod Installation	$1,000 – $7,600	rarely required	Cost·Permit
Irrigation System Installation	$2,400 – $11,000	conditional	Cost·Permit
Tree Removal	$500 – $6,100	conditional	Cost·Permit
Outdoor Kitchen	$6,700 – $50,200	usually required	Cost·Permit
Seawall Repair	$9,200 – $109,600	required	Cost·Permit
Dock Construction	$10,400 – $98,100	required	Cost·Permit
Well Installation	$6,300 – $28,500	required	Cost·Permit
Mold Remediation	$1,700 – $16,700	conditional	Cost·Permit
Water Softener Installation	$1,300 – $7,300	usually required	Cost·Permit
Home Addition	$51,800 – $322,600	required	Cost·Permit
Heat Pump Replacement	$7,300 – $24,700	required	Cost·Permit
Furnace Replacement	$3,600 – $12,900	required	Cost·Permit
Foundation Repair	$3,100 – $35,600	usually required	Cost·Permit
Basement Waterproofing	$3,300 – $19,800	conditional	Cost·Permit
Drain Field Replacement	$6,800 – $28,200	required	Cost·Permit
Toilet Installation	$300 – $1,200	rarely required	Cost·Permit
Hot Tub Installation	$6,100 – $24,500	usually required	Cost·Permit

Baltimore permitting basics

Jurisdiction	Baltimore, Baltimore City
Building department	Official site
Permit portal	Apply online
Owner-builder permits	Homeowner permits allowed on owner-occupied property
Contractor verification	Verify any license with Maryland Department of Labor before signing

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.