Washington · 2026 cost guide
How much does a new roof cost in Washington?
In Washington, a new roof costs about $10,500–$24,000 in 2026 for a 1,800 sq ft (about 20-square) asphalt-shingle roof, tear-off included — roughly $517.5–$1207.5 per square (100 sq ft). That’s about 15% above the U.S. average.
Estimate your Washington project with the Roofing Square Calculator →
Washington cost breakdown
| Typical total (a 1) | $10,500–$24,000 |
| Per square (100 sq ft) | $517.5–$1207.5 |
| Metro areas (Seattle, Spokane, and Tacoma) | up to ~$26,000 |
| Versus U.S. average | about 15% above average |
What’s different about Washington
Washington's Cascadia seismic risk, wet maritime climate, and high Seattle-area labor costs combine to raise exterior project pricing.
- Lighter roofing and seismic fastening are favored in quake zones.
- Algae-resistant shingles are popular where humidity drives streaking.
- Permit fees and skilled-trade labor rates here run well above the national average — usually the single biggest cost driver.
Expect quotes toward the higher end in Washington’s larger metros — Seattle, Spokane, and Tacoma — where labor and permit costs run above the state average, and lower in rural areas.
How the cost is built
Roof cost scales with roof area (measured in 100 sq ft 'squares'), pitch, and material — asphalt shingles are the budget choice, while metal, tile, and slate run two to four times more. Steep or complex rooflines, multiple layers to tear off, and new decking or flashing all add to the total.
Resale value
A new asphalt-shingle roof recoups roughly 60% of its cost at resale, per the annual Remodeling Cost vs. Value report — and it's often what lets a home sell at all.
Frequently asked questions
How much does a new roof cost in Washington?
In Washington, a new roof costs about $10,500 to $24,000 in 2026 for a 1,800 sq ft (about 20-square) asphalt-shingle roof, tear-off included — roughly 517.5–1207.5 per square (100 sq ft). That's about 15% above the national average, reflecting local labor and material costs.
What affects the cost of a new roof in Washington?
Washington's Cascadia seismic risk, wet maritime climate, and high Seattle-area labor costs combine to raise exterior project pricing. Lighter roofing and seismic fastening are favored in quake zones.
How can I get an accurate roof replacement estimate for my home?
Use the free Roofing Square Calculator to plug in your real measurements and materials, then collect two or three local quotes to compare. Within Washington, prices run higher in metros like Seattle, Spokane, and Tacoma and lower in rural areas.
Roof replacement cost by city in Washington
Roof replacement cost in nearby states
Keep planning
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Open calculator →Sources & method
The Washington figure is the national installed-cost range scaled by a Washington regional cost index (its construction costs run about 15% above the U.S. average), then adjusted for the local climate and code factors above. It’s a 2026 planning estimate, not a quote — get local bids before budgeting.
- Smart Cost Hub methodology — how our cost ranges and indices are built
- U.S. Bureau of Labor Statistics — Producer Price Index (construction materials)
- Roof Quotes Near Me — local Washington contractor quote data