Milwaukee County

Home permits and project costs in Milwaukee, WI

Heavy snow load and a very old housing stock keep roof, window and heating-system replacement demand high through winter.

Model reviewed August 2026

Local cost index

+8%

vs national average

Permit fee index

+10%

vs national baseline

Population

561,385

Homeownership

40%

Do you need a permit in Milwaukee?

For most structural work, yes

Milwaukee enforces wisconsin uniform dwelling code (sps 320-325) through Milwaukee 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 Milwaukee

National baselines adjusted by the local labor and materials index.

Project	Typical cost	Permit	Deep pages
Roof Replacement	$10,900 – $36,600	required	Cost·Permit
AC Replacement	$5,800 – $17,200	required	Cost·Permit
Fence Installation	$2,700 – $12,200	usually required	Cost·Permit
Water Heater Replacement	$1,300 – $6,000	required	Cost·Permit
Pool Installation	$42,900 – $129,700	required	Cost·Permit
Window Replacement	$8,500 – $38,400	required	Cost·Permit
Electrical Panel Replacement	$2,100 – $7,700	required	Cost·Permit
Generator Installation	$7,300 – $24,700	required	Cost·Permit
Solar Panel Installation	$16,600 – $53,000	required	Cost·Permit
Kitchen Remodel	$19,600 – $100,000	conditional	Cost·Permit
Bathroom Remodel	$9,800 – $45,800	conditional	Cost·Permit
Driveway Replacement	$4,700 – $21,100	usually required	Cost·Permit
Paver Patio & Walkway	$3,800 – $17,500	conditional	Cost·Permit
Deck Construction	$6,100 – $31,300	required	Cost·Permit
Shed Installation	$2,000 – $13,100	conditional	Cost·Permit
Whole-House Repipe	$5,100 – $18,000	required	Cost·Permit
EV Charger Installation	$900 – $4,700	required	Cost·Permit
Hurricane Shutter Installation	$3,600 – $20,500	required	Cost·Permit
Pool Enclosure / Screen Cage	$10,200 – $47,700	required	Cost·Permit
Septic System Replacement	$8,500 – $31,700	required	Cost·Permit
Impact Window Installation	$10,200 – $47,800	required	Cost·Permit
Exterior Door Replacement	$1,000 – $7,300	usually required	Cost·Permit
Garage Door Replacement	$1,600 – $8,500	required	Cost·Permit
Siding Installation	$9,000 – $42,600	usually required	Cost·Permit
Stucco Repair	$1,000 – $17,500	conditional	Cost·Permit
Soffit & Fascia Replacement	$2,000 – $12,300	conditional	Cost·Permit
Gutter Installation	$1,000 – $7,000	rarely required	Cost·Permit
Roof Repair	$500 – $5,400	conditional	Cost·Permit
Flat Roof Replacement	$6,800 – $31,900	required	Cost·Permit
Attic Insulation	$1,300 – $8,000	rarely required	Cost·Permit
Ductwork Replacement	$2,800 – $13,300	required	Cost·Permit
Mini Split Installation	$2,700 – $13,900	required	Cost·Permit
Flooring Installation	$2,700 – $21,600	rarely required	Cost·Permit
Tile Installation	$2,000 – $17,400	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 – $21,700	rarely required	Cost·Permit
Countertop Replacement	$2,400 – $12,900	rarely required	Cost·Permit
Tub to Shower Conversion	$3,900 – $17,800	usually required	Cost·Permit
Sod Installation	$1,000 – $7,500	rarely required	Cost·Permit
Irrigation System Installation	$2,400 – $10,900	conditional	Cost·Permit
Tree Removal	$500 – $6,100	conditional	Cost·Permit
Outdoor Kitchen	$6,600 – $49,900	usually required	Cost·Permit
Seawall Repair	$9,100 – $108,600	required	Cost·Permit
Dock Construction	$10,300 – $97,200	required	Cost·Permit
Well Installation	$6,200 – $28,200	required	Cost·Permit
Mold Remediation	$1,700 – $16,700	conditional	Cost·Permit
Water Softener Installation	$1,300 – $7,200	usually required	Cost·Permit
Home Addition	$51,300 – $319,200	required	Cost·Permit
Heat Pump Replacement	$7,200 – $24,400	required	Cost·Permit
Furnace Replacement	$3,600 – $12,800	required	Cost·Permit
Foundation Repair	$3,100 – $35,400	usually required	Cost·Permit
Basement Waterproofing	$3,300 – $19,700	conditional	Cost·Permit
Drain Field Replacement	$6,700 – $28,000	required	Cost·Permit
Toilet Installation	$300 – $1,200	rarely required	Cost·Permit
Hot Tub Installation	$6,100 – $24,400	usually required	Cost·Permit

Milwaukee permitting basics

Jurisdiction	Milwaukee, Milwaukee County
Building department	Official site
Permit portal	Apply online
Owner-builder permits	Homeowner permits allowed on owner-occupied property with a UDC exemption
Contractor verification	Verify any license with Wisconsin Department of Safety and Professional Services 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.