Maricopa County

Home permits and project costs in Phoenix, AZ

Extreme cooling load and intense UV shorten roof and exterior finish life; Phoenix Planning & Development permits inside city limits while unincorporated Maricopa County work goes to the county.

Verified August 2026

Local cost index

+2%

vs national average

Permit fee index

+5%

vs national baseline

Population

1,650,070

Homeownership

55%

Do you need a permit in Phoenix?

For most structural work, yes

Phoenix enforces local adoption of the irc by city and county through Maricopa 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 Phoenix

National baselines adjusted by the local labor and materials index.

Project	Typical cost	Permit	Deep pages
Roof Replacement	$10,000 – $33,800	required	Cost·Permit
AC Replacement	$5,400 – $16,100	required	Cost·Permit
Fence Installation	$2,500 – $11,400	usually required	Cost·Permit
Water Heater Replacement	$1,300 – $5,600	required	Cost·Permit
Pool Installation	$39,800 – $120,400	required	Cost·Permit
Window Replacement	$7,900 – $35,700	required	Cost·Permit
Electrical Panel Replacement	$2,000 – $7,100	required	Cost·Permit
Generator Installation	$6,800 – $22,900	required	Cost·Permit
Solar Panel Installation	$15,600 – $49,900	required	Cost·Permit
Kitchen Remodel	$18,500 – $94,300	conditional	Cost·Permit
Bathroom Remodel	$9,200 – $43,100	conditional	Cost·Permit
Driveway Replacement	$4,300 – $19,700	usually required	Cost·Permit
Paver Patio & Walkway	$3,600 – $16,400	conditional	Cost·Permit
Deck Construction	$5,700 – $29,100	required	Cost·Permit
Shed Installation	$1,800 – $12,300	conditional	Cost·Permit
Whole-House Repipe	$4,700 – $16,700	required	Cost·Permit
EV Charger Installation	$800 – $4,400	required	Cost·Permit
Hurricane Shutter Installation	$3,400 – $19,000	required	Cost·Permit
Pool Enclosure / Screen Cage	$9,500 – $44,100	required	Cost·Permit
Septic System Replacement	$7,900 – $29,400	required	Cost·Permit
Impact Window Installation	$9,500 – $44,300	required	Cost·Permit
Exterior Door Replacement	$900 – $6,800	usually required	Cost·Permit
Garage Door Replacement	$1,500 – $7,900	required	Cost·Permit
Siding Installation	$8,300 – $39,600	usually required	Cost·Permit
Stucco Repair	$900 – $16,400	conditional	Cost·Permit
Soffit & Fascia Replacement	$1,900 – $11,500	conditional	Cost·Permit
Gutter Installation	$900 – $6,600	rarely required	Cost·Permit
Roof Repair	$400 – $5,000	conditional	Cost·Permit
Flat Roof Replacement	$6,300 – $29,500	required	Cost·Permit
Attic Insulation	$1,200 – $7,600	rarely required	Cost·Permit
Ductwork Replacement	$2,600 – $12,500	required	Cost·Permit
Mini Split Installation	$2,500 – $13,000	required	Cost·Permit
Flooring Installation	$2,600 – $20,400	rarely required	Cost·Permit
Tile Installation	$1,800 – $16,400	rarely required	Cost·Permit
Interior Painting	$1,500 – $9,700	rarely required	Cost·Permit
Exterior Painting	$2,900 – $15,400	rarely required	Cost·Permit
Drywall Repair	$400 – $4,600	rarely required	Cost·Permit
Kitchen Cabinet Refacing	$4,600 – $20,400	rarely required	Cost·Permit
Countertop Replacement	$2,200 – $12,200	rarely required	Cost·Permit
Tub to Shower Conversion	$3,600 – $16,600	usually required	Cost·Permit
Sod Installation	$900 – $7,100	rarely required	Cost·Permit
Irrigation System Installation	$2,300 – $10,300	conditional	Cost·Permit
Tree Removal	$500 – $5,700	conditional	Cost·Permit
Outdoor Kitchen	$6,200 – $46,600	usually required	Cost·Permit
Seawall Repair	$8,400 – $100,200	required	Cost·Permit
Dock Construction	$9,500 – $89,700	required	Cost·Permit
Well Installation	$5,800 – $26,200	required	Cost·Permit
Mold Remediation	$1,600 – $15,500	conditional	Cost·Permit
Water Softener Installation	$1,200 – $6,700	usually required	Cost·Permit
Home Addition	$47,400 – $295,100	required	Cost·Permit

Phoenix permitting basics

Jurisdiction	Phoenix, Maricopa County
Building department	Official site
Permit portal	Apply online
Owner-builder permits	Owner-builder allowed with an ROC exemption affidavit on an owner-occupied home
Contractor verification	Verify any license with Arizona Registrar of Contractors before signing

Sources

Sources & verification

Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.