Spokane County

Home permits and project costs in Spokane, WA

Inland Northwest snow load and freeze-thaw make Spokane's roofing and plumbing requirements closer to the Rockies than to Puget Sound.

Model reviewed August 2026

Local cost index

+5%

vs national average

Permit fee index

+2%

vs national baseline

Population

229,447

Homeownership

55%

Do you need a permit in Spokane?

For most structural work, yes

Spokane enforces washington state residential code, based on the irc, plus the state energy code through Spokane 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 Spokane

National baselines adjusted by the local labor and materials index.

Project	Typical cost	Permit	Deep pages
Roof Replacement	$10,300 – $34,700	required	Cost·Permit
AC Replacement	$5,500 – $16,500	required	Cost·Permit
Fence Installation	$2,600 – $11,700	usually required	Cost·Permit
Water Heater Replacement	$1,300 – $5,800	required	Cost·Permit
Pool Installation	$40,900 – $123,900	required	Cost·Permit
Window Replacement	$8,100 – $36,600	required	Cost·Permit
Electrical Panel Replacement	$2,000 – $7,300	required	Cost·Permit
Generator Installation	$7,000 – $23,600	required	Cost·Permit
Solar Panel Installation	$15,900 – $51,000	required	Cost·Permit
Kitchen Remodel	$18,900 – $96,800	conditional	Cost·Permit
Bathroom Remodel	$9,500 – $44,300	conditional	Cost·Permit
Driveway Replacement	$4,500 – $20,200	usually required	Cost·Permit
Paver Patio & Walkway	$3,700 – $16,900	conditional	Cost·Permit
Deck Construction	$5,900 – $30,000	required	Cost·Permit
Shed Installation	$1,900 – $12,700	conditional	Cost·Permit
Whole-House Repipe	$4,800 – $17,200	required	Cost·Permit
EV Charger Installation	$900 – $4,500	required	Cost·Permit
Hurricane Shutter Installation	$3,500 – $19,500	required	Cost·Permit
Pool Enclosure / Screen Cage	$9,700 – $45,400	required	Cost·Permit
Septic System Replacement	$8,100 – $30,200	required	Cost·Permit
Impact Window Installation	$9,700 – $45,400	required	Cost·Permit
Exterior Door Replacement	$1,000 – $7,000	usually required	Cost·Permit
Garage Door Replacement	$1,500 – $8,100	required	Cost·Permit
Siding Installation	$8,600 – $40,700	usually required	Cost·Permit
Stucco Repair	$1,000 – $16,900	conditional	Cost·Permit
Soffit & Fascia Replacement	$1,900 – $11,800	conditional	Cost·Permit
Gutter Installation	$900 – $6,800	rarely required	Cost·Permit
Roof Repair	$400 – $5,200	conditional	Cost·Permit
Flat Roof Replacement	$6,500 – $30,300	required	Cost·Permit
Attic Insulation	$1,300 – $7,800	rarely required	Cost·Permit
Ductwork Replacement	$2,700 – $12,800	required	Cost·Permit
Mini Split Installation	$2,600 – $13,300	required	Cost·Permit
Flooring Installation	$2,600 – $21,000	rarely required	Cost·Permit
Tile Installation	$1,900 – $16,800	rarely required	Cost·Permit
Interior Painting	$1,600 – $10,100	rarely required	Cost·Permit
Exterior Painting	$3,000 – $15,900	rarely required	Cost·Permit
Drywall Repair	$400 – $4,800	rarely required	Cost·Permit
Kitchen Cabinet Refacing	$4,700 – $21,000	rarely required	Cost·Permit
Countertop Replacement	$2,300 – $12,500	rarely required	Cost·Permit
Tub to Shower Conversion	$3,700 – $17,100	usually required	Cost·Permit
Sod Installation	$900 – $7,300	rarely required	Cost·Permit
Irrigation System Installation	$2,300 – $10,600	conditional	Cost·Permit
Tree Removal	$500 – $5,900	conditional	Cost·Permit
Outdoor Kitchen	$6,400 – $47,900	usually required	Cost·Permit
Seawall Repair	$8,700 – $103,100	required	Cost·Permit
Dock Construction	$9,800 – $92,200	required	Cost·Permit
Well Installation	$5,900 – $27,000	required	Cost·Permit
Mold Remediation	$1,600 – $16,000	conditional	Cost·Permit
Water Softener Installation	$1,300 – $6,900	usually required	Cost·Permit
Home Addition	$48,700 – $303,200	required	Cost·Permit
Heat Pump Replacement	$6,900 – $23,500	required	Cost·Permit
Furnace Replacement	$3,400 – $12,300	required	Cost·Permit
Foundation Repair	$3,000 – $34,000	usually required	Cost·Permit
Basement Waterproofing	$3,200 – $19,000	conditional	Cost·Permit
Drain Field Replacement	$6,400 – $26,800	required	Cost·Permit
Toilet Installation	$300 – $1,200	rarely required	Cost·Permit
Hot Tub Installation	$5,900 – $23,400	usually required	Cost·Permit

Spokane permitting basics

Jurisdiction	Spokane, Spokane County
Building department	Official site
Permit portal	Apply online
Owner-builder permits	Homeowner permits allowed on owner-occupied property
Contractor verification	Verify any license with Washington State Building Code Council 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.