Mobile County

Home permits and project costs in Mobile, AL

Mobile sits in Mobile County, Alabama. Hurricane wind design, wind-borne debris protection and floodplain review add product-approval and inspection steps to most exterior work. Work outside city limits is permitted by the county building department rather than the city.

Model reviewed August 2026

Local cost index

-8%

vs national average

Permit fee index

-12%

vs national baseline

Population

184,952

Homeownership

Do you need a permit in Mobile?

For most structural work, yes

Mobile enforces local adoption of the irc; statewide code applies to state-funded and manufactured housing through Mobile County. 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 Mobile

National baselines adjusted by the local labor and materials index.

Project	Typical cost	Permit	Deep pages
Roof Replacement	$8,900 – $30,100	required	Cost·Permit
AC Replacement	$4,900 – $14,600	required	Cost·Permit
Fence Installation	$2,200 – $10,300	usually required	Cost·Permit
Water Heater Replacement	$1,100 – $5,000	required	Cost·Permit
Pool Installation	$35,400 – $107,200	required	Cost·Permit
Window Replacement	$7,100 – $32,200	required	Cost·Permit
Electrical Panel Replacement	$1,800 – $6,300	required	Cost·Permit
Generator Installation	$6,000 – $20,500	required	Cost·Permit
Solar Panel Installation	$14,300 – $45,700	required	Cost·Permit
Kitchen Remodel	$16,900 – $86,400	conditional	Cost·Permit
Bathroom Remodel	$8,400 – $39,300	conditional	Cost·Permit
Driveway Replacement	$3,900 – $17,700	usually required	Cost·Permit
Paver Patio & Walkway	$3,300 – $14,900	conditional	Cost·Permit
Deck Construction	$5,100 – $26,100	required	Cost·Permit
Shed Installation	$1,700 – $11,100	conditional	Cost·Permit
Whole-House Repipe	$4,100 – $14,800	required	Cost·Permit
EV Charger Installation	$700 – $3,900	required	Cost·Permit
Hurricane Shutter Installation	$3,000 – $16,800	required	Cost·Permit
Pool Enclosure / Screen Cage	$8,400 – $39,200	required	Cost·Permit
Septic System Replacement	$7,000 – $26,200	required	Cost·Permit
Impact Window Installation	$8,500 – $39,900	required	Cost·Permit
Exterior Door Replacement	$800 – $6,100	usually required	Cost·Permit
Garage Door Replacement	$1,300 – $7,000	required	Cost·Permit
Siding Installation	$7,500 – $35,500	usually required	Cost·Permit
Stucco Repair	$800 – $14,900	conditional	Cost·Permit
Soffit & Fascia Replacement	$1,700 – $10,300	conditional	Cost·Permit
Gutter Installation	$800 – $6,000	rarely required	Cost·Permit
Roof Repair	$400 – $4,400	conditional	Cost·Permit
Flat Roof Replacement	$5,600 – $26,200	required	Cost·Permit
Attic Insulation	$1,100 – $7,100	rarely required	Cost·Permit
Ductwork Replacement	$2,400 – $11,300	required	Cost·Permit
Mini Split Installation	$2,300 – $11,800	required	Cost·Permit
Flooring Installation	$2,300 – $18,700	rarely required	Cost·Permit
Tile Installation	$1,700 – $14,800	rarely required	Cost·Permit
Interior Painting	$1,400 – $8,700	rarely required	Cost·Permit
Exterior Painting	$2,600 – $13,700	rarely required	Cost·Permit
Drywall Repair	$300 – $4,100	rarely required	Cost·Permit
Kitchen Cabinet Refacing	$4,200 – $18,500	rarely required	Cost·Permit
Countertop Replacement	$2,100 – $11,300	rarely required	Cost·Permit
Tub to Shower Conversion	$3,200 – $14,800	usually required	Cost·Permit
Sod Installation	$800 – $6,600	rarely required	Cost·Permit
Irrigation System Installation	$2,000 – $9,300	conditional	Cost·Permit
Tree Removal	$400 – $5,000	conditional	Cost·Permit
Outdoor Kitchen	$5,600 – $41,900	usually required	Cost·Permit
Seawall Repair	$7,500 – $88,500	required	Cost·Permit
Dock Construction	$8,400 – $79,200	required	Cost·Permit
Well Installation	$5,100 – $23,200	required	Cost·Permit
Mold Remediation	$1,400 – $13,800	conditional	Cost·Permit
Water Softener Installation	$1,100 – $6,000	usually required	Cost·Permit
Home Addition	$42,100 – $262,100	required	Cost·Permit
Heat Pump Replacement	$6,100 – $20,700	required	Cost·Permit
Furnace Replacement	$3,000 – $10,800	required	Cost·Permit
Foundation Repair	$2,600 – $29,800	usually required	Cost·Permit
Basement Waterproofing	$2,800 – $16,800	conditional	Cost·Permit
Drain Field Replacement	$5,600 – $23,200	required	Cost·Permit
Toilet Installation	$200 – $1,000	rarely required	Cost·Permit
Hot Tub Installation	$5,100 – $20,500	usually required	Cost·Permit

Mobile permitting basics

Jurisdiction	Mobile, Mobile County
Building department	Confirm with the city or county
Permit portal	No verified online portal on file
Owner-builder permits	Homeowners may generally permit work on a home they own and occupy, subject to local rules
Contractor verification	Verify any license with Alabama Building Commission before signing

Sources

Sources & verification

Alabama Building Commission

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.