Metal Roof Replacement Cost in Seattle: What Homeowners Need to Know
A metal roof replacement in Seattle typically runs $9,900 – $49,500 installed ($10 – $20 per sq ft) — corrugated panels at the low end, standing seam at the top — tear-off and local labor included.
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Metal roofing cost by panel type.
Installed prices for Seattle, adjusted for local labor. Roof size, pitch, and trim complexity move the number within each range.
- Corrugated / exposed fastenerEntry point for metal roofing$9,900 – $24,500
- Standing seam steelConcealed fasteners, premium panel$18,500 – $49,500
- AluminumCorrosion-resistant — fits coastal climates$16,000 – $40,500
- Stone-coated steelShingle or tile look in metal$17,000 – $37,000
- Copper & zincSpecialty architectural metals$31,000 – $74,000+
- Tear-off & disposalRemoving the old roof$1,250 – $3,700
- Permits & inspectionVaries by municipality$300 – $1,250
* Adjusted for Seattle; an on-site measure refines panel and trim counts.
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Adjust the inputs below. The range updates live and is adjusted for Seattle's labor market —+23% vs national avg.
Indicative range based on Seattle-adjusted rates. Deck condition, flashing, and contractor overhead may shift the final invoice. Get written quotes from licensed roofing contractors before signing.
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Before you sign: the quote checklist
- Get quotes from at least 3 licensed roofing contractors in Seattle.
- Make sure every quote itemizes tear-off, underlayment, flashing, and disposal.
- Verify licensing and insurance before hiring — ask for certificates, not promises.
- Ask about both the material warranty and the workmanship warranty — they differ.
Metal Roof in Seattle: what matters
Seattle's rainy climate and historic neighborhoods like Capitol Hill present unique challenges for metal roof replacement. With over 150 rainy days a year, moisture management is critical. Many homes in Seattle feature steep pitches and older framing, which can affect installation complexity. Washington's building codes require specific underlayment and fastening methods to withstand wind-driven rain. Understanding these local factors helps you plan a successful metal roof replacement that lasts decades.
Why Metal Roof Replacement Costs Vary in Seattle
Seattle's climate demands corrosion-resistant metals like Galvalume or aluminum, which cost more than standard steel. The city's older housing stock—especially in neighborhoods like Ballard—often requires structural upgrades to support heavier metal panels. Washington's strict energy codes may mandate additional insulation or ventilation. Labor rates in the Seattle metro area are higher than national averages due to demand and cost of living. Disposal of old roofing materials in King County involves fees that add to the total. Permitting through the Seattle Department of Construction and Inspections also has costs and timelines.
Seattle by the numbers
U.S. Census Bureau · ACS- 988,217
- Population
- 210,431
- Homeowners
- $822,890
- Median home value
- $110,147
- Median income
- 1971
- Median home built
- 473,864
- Housing units
210,431 homeowner households, median home built 1971 — a housing stock where many roofs are at or past their service life. Local labor sets the rate roofers charge in Seattle.
Common Reasons Seattle Roofs Need Replacement
Wind-Driven Rain Damage
Seattle's frequent windstorms can lift shingles and force moisture under roofing, leading to rot and leaks that necessitate full replacement.
Moss and Algae Growth
The damp climate promotes moss and algae, which trap moisture against roofing materials, accelerating deterioration and reducing lifespan.
Aged Asphalt Shingles
Many Seattle homes still have original asphalt shingles from the 1990s or earlier, which are now brittle and reaching end of life.
Ice Dams in Snowy Winters
Though rare, heavy snowfalls can cause ice dams on low-slope roofs, leading to water backup and interior damage that requires replacement.
UV Degradation from Summer Sun
Despite the rain, Seattle gets enough summer sun to cause UV damage to roofing materials, especially on south-facing slopes.
What to Expect During a Metal Roof Replacement in Seattle
Washington requires roofing contractors to be registered with the Department of Labor & Industries. Your project will start with an inspection of the existing roof and structure. After measurements, the old roof is torn off and disposed of properly. Any decking damage is repaired. Then, underlayment and ice/water shield are installed per code. Metal panels are cut and fastened, followed by trim and flashings. A final inspection by the city's permitting office ensures compliance. The process typically takes 1-2 weeks depending on weather and roof complexity.
Metal Roof pricing near Seattle
Metal Roof cost questions — Seattle
How long does a metal roof last in Seattle's climate?
A properly installed metal roof in Seattle can last 40-70 years, depending on material choice and maintenance. The rainy climate requires corrosion-resistant metals like Galvalume or aluminum. Regular inspections and cleaning of moss or debris help maximize lifespan.
What factors affect metal roof replacement cost in Seattle?
Costs vary by roof size, pitch, complexity, metal type (steel vs aluminum vs copper), and whether old roofing removal is needed. Seattle's labor rates and permit fees also contribute. A steep roof or one with multiple valleys will cost more to install.
Do I need a permit for a metal roof replacement in Seattle?
Yes, Seattle requires a building permit for roof replacement. Your contractor should handle the permit application with the Seattle Department of Construction and Inspections. Permits ensure the work meets local building codes for wind resistance and fire safety.
What is the ideal time of year for a metal roof replacement in Seattle?
Late spring through early fall offers the most predictable weather for roofing work. However, metal roofs can be installed in cooler months as long as temperatures stay above freezing. Scheduling ahead is recommended due to high demand in summer.
How do I choose a roofing contractor in Seattle?
Look for contractors registered with Washington's Department of Labor & Industries. Check for liability insurance and worker's compensation. Ask for local references and verify their experience with metal roofing specifically. A written contract detailing materials, timeline, and payment schedule is essential.
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