Roof Replacement Cost in Kenmore, Washington: What Homeowners Need to Know
A full roof replacement in Kenmore typically runs $6,100 – $25,500 installed — $450 – $1,100 per square (100 sq ft) — including tear-off, permits, and local labor.
New roof installs & full replacements · No obligation
Roofing cost by material.
Installed price ranges for a full roof replacement in Kenmore, adjusted for local labor and code. Linked materials have a dedicated city guide.
- Architectural shingle roofDimensional laminated shingles — the U.S. default$8,100 – $16,000
- 3-tab shingle roofEntry-level asphalt$6,100 – $10,500
- Standing-seam metal roofConcealed fasteners, 40–70 year service life$15,000 – $40,500
- Corrugated metal roofExposed-fastener panels$8,100 – $20,000
- Flat roof membraneTPO, EPDM, or PVC for low-slope sections$5,100 – $15,000
- Tear-off & disposalRemoving the old roof, dumpster included$1,000 – $3,000
- Permits & inspectionVaries by municipality$250 – $1,000
* Ranges adjusted for Kenmore's tier and median income — verify with an on-site quote.
Ready to price your roof in Kenmore?
Speak with a licensed, independent roofing contractor. No obligation.
Lines: Mon–Fri 10am–7pm
What happens when you call
Call the number
Takes about two minutes — no account, no forms.
Describe your roof
Roof type, approximate size, and what you want done in Kenmore.
Talk to a licensed contractor
You get connected with an independent local roofing pro. No obligation.
Build your Kenmore estimate
Adjust the inputs below. The range updates live and is adjusted for Kenmore's labor market —+1% vs national avg.
Indicative range based on Kenmore-adjusted rates. Deck condition, flashing, and contractor overhead may shift the final invoice. Get written quotes from licensed roofing contractors before signing.
Get real quotes for this range · No obligation
Before you sign: the quote checklist
- Get quotes from at least 3 licensed roofing contractors in Kenmore.
- 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.
Roof Replacement in Kenmore: what matters
Kenmore's location along the Sammamish River and Lake Washington means a marine-influenced climate with ample rainfall, mild temperatures, and occasional windstorms. Many homes in older parts of town were built in the 1960s-1980s with asphalt shingle roofs that are now reaching the end of their service life. Newer subdivisions often feature architectural shingles or metal roofs designed to handle the region's moisture. Understanding how Kenmore's specific weather patterns—from winter snow loads to summer UV exposure—affect roofing materials is key to planning a replacement. This guide covers the local factors that influence roof replacement costs, common reasons roofs need replacement in Kenmore, and answers to frequently asked questions about the process.
Why Roof Replacement Costs Vary in Kenmore
Several factors unique to Kenmore and Washington state influence roof replacement costs. The local climate demands materials that resist moisture, moss, and algae growth, which can add to material costs. Washington's building code requires specific underlayment and ventilation standards to prevent ice dams and condensation. Labor costs in the Seattle metro area, including Kenmore, are higher than national averages due to demand and cost of living. Disposal fees for old roofing materials in King County are also a factor. Additionally, roof pitch, accessibility, and the number of penetrations (skylights, chimneys) affect labor time. Permits from the city's permitting office are required for most replacements, adding a small administrative cost.
Kenmore by the numbers
U.S. Census Bureau · ACS- 23,611
- Population
- 6,335
- Homeowners
- $803,000
- Median home value
- $132,191
- Median income
- 1983
- Median home built
- 9,575
- Housing units
6,335 homeowner households, median home built 1983 — a housing stock where many roofs are at or past their service life. Local labor sets the rate roofers charge in Kenmore.
Common Reasons Kenmore Roofs Need Replacement
Moss and Algae Growth
Kenmore's damp, shaded environment promotes moss and algae, which can lift shingles and trap moisture, accelerating decay and leading to leaks.
Wind Damage from Fall Storms
Strong winds during Pacific Northwest fall storms can lift or tear off shingles, especially on older roofs with compromised sealant.
UV Degradation from Summer Sun
Even in a marine climate, summer UV exposure causes asphalt shingles to dry out, crack, and lose granules, reducing their lifespan.
Ice Dams in Winter
Snow on roofs can melt and refreeze at eaves, creating ice dams that force water under shingles and into the home, often requiring replacement.
Age-Related Wear on 1980s-90s Homes
Many Kenmore homes built in the 1980s and 1990s have original 25-year shingles that are now past their expected life, showing curling, cracking, and granule loss.
Roof Replacement pricing near Kenmore
Roof Replacement cost questions — Kenmore
What factors affect roof replacement cost in Kenmore?
Costs vary based on roof size, pitch, material choice (asphalt, metal, etc.), accessibility, and the condition of the existing structure. Local factors include Washington's building code requirements for underlayment and ventilation, King County disposal fees, and higher labor rates in the Seattle metro area. Permits from the city's permitting office also add a small fee. The right way to get an accurate estimate is to have a contractor inspect your roof and provide a detailed quote.
How do I choose a roofing contractor in Kenmore?
Look for a contractor licensed in Washington state, with proof of insurance and a physical address in the area. Check references from recent Kenmore jobs and read online reviews. Ask about their experience with local climate issues like moss prevention and ice dam mitigation. Get multiple written estimates and compare scope, not just price. Avoid contractors who ask for full payment upfront or lack a local presence.
Does Washington require a license for roofers?
Yes, Washington state requires all contractors to register with the Department of Labor & Industries (L&I). Roofers must have a valid contractor registration and meet bonding and insurance requirements. Some cities may have additional local business licenses. Always verify a contractor's L&I registration number before hiring.
When is the ideal time to replace a roof in Kenmore?
Late spring through early fall (May to September) offers the most consistent dry weather for roof replacement in Kenmore. However, experienced local contractors can work in cooler months as long as temperatures stay above freezing and rain is minimal. Scheduling in advance is recommended, as demand is highest in summer.
Do I need a permit for roof replacement in Kenmore?
Yes, most roof replacements in Kenmore require a building permit from the city's permitting office. The permit ensures the work meets Washington's building code for structural integrity, ventilation, and fire safety. Your contractor typically handles the permit application, but you should confirm it's included in their scope of work.
Get a roofing quote.
Compare quotes from licensed local roofing contractors.
Lines: Mon–Fri 10am–7pm