Roof Replacement Cost in Seattle (2026)
Average cost in Seattle
US$8,500 — US$48,000
US$7 — US$18 per sq ft
Cost Breakdown
ItemizedShingles, underlayment, and flashing
46%
Skilled installation and removal
44%
Debris removal and dump fees
7%
City of Seattle SDCI fees
3%
Sales Tax at 6.5%
📋What's Included
ScopeTypically Includes
- Tear-off of existing shingles
- New underlayment
- Asphalt shingle installation
- Flashing & ridge vents
- Cleanup & disposal
- Labor
Typically Excludes
- Structural repairs (rotted decking)
- Gutter replacement
- Skylight installation
- Cedar or metal roofing
- Chimney repair
Based on a standard 1,500-2,000 sq ft roof with asphalt shingles.
🧮Estimate Your Cost
InteractiveEstimated Cost
US$7,660 — US$11,490
Based on 9 sources and market data for Seattle. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$19,765
Today
US$21,050
Roof Replacement in Seattle is ↑ 6.5% compared to roughly a year ago — about US$1,285 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top Roof Replace Contractors in Seattle
Verified providersProvider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
Yes, in most cases. While 'like-for-like' repairs under $6,000 are exempt, a full replacement for a typical Seattle home exceeds this threshold. Permits generally cost between $250 and $600, but can exceed $1,000 for projects valued over $25,000 due to Seattle's value-based fee structure.
Seattle's high moisture levels often lead to rotted roof decking (sheathing), which is frequently discovered during tear-off. Replacing damaged sheathing adds $2 to $7 per square foot. Additionally, many local contractors recommend zinc or copper strips to prevent moss growth, adding $200 to $500 to the total.
Homeowners in the Seattle metro area typically see a 50% to 70% ROI. A new roof is a significant selling point in the rainy Pacific Northwest, where buyers are highly sensitive to potential water damage and mold issues.
A standard residential roof replacement takes 5 to 7 days. However, Seattle's unpredictable rain can cause delays, as contractors must wait for dry windows to prevent interior water damage during the tear-off phase.
📊Our Methodology
How we collect dataAggregated from 5+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 4 days ago. Updates run weekly. All costs in USD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.