Logo of Roof Lists
Roofing contractors installing metal roof panels on a sloped roof using safety gear

Find the Best Roof Replacement & Installation for Your Business

No obligation • Fast responses • Nationwide coverage

Search providers near you

Top Roof Replacement & Installation in Sammamish, Washington Ranked

Replacing your roof in Sammamish is a significant investment in protecting your home from the Pacific Northwest's persistent wet weather. The local climate, characterized by high moisture and the potential for moss growth, directly influences the best materials and installation practices for long-term durability. A typical residential roof installation in Sammamish costs between $20,500 and $31,300+, with the final price depending on your choice of roofing material, the size and complexity of your roof, and the scope of work required. Understanding these local factors is key to planning a successful project that will safeguard your home for decades.

Hanley Construction

Hanley Construction

250 Bethel Ave, Port Orchard, WA 98366

Hanley Construction is a family-owned roofing contractor serving Seattle, WA, and the greater Western Washington area. With over 40 years of experience, they provide residential and commercial roofing services including installation, replacement, repair, maintenance, and roof cleaning. Their expertise covers various roofing materials such as shingles, metal, copper, cedar shake, and flat-roof systems. Hanley Construction is known for skilled workmanship, using high-quality materials, and offering warranties backed by manufacturer certifications. They also specialize in gutter installation, repair, and gutter guard systems tailored for the Pacific Northwest climate. The company emphasizes clear communication and thorough inspections, ensuring roofing solutions that meet client needs and local weather challenges.

5.0
573 Reviews
Diamond Roofing & Construction

Diamond Roofing & Construction

6421 Lake Washington Blvd NE #409, Kirkland, WA 98033

Diamond Roofing & Construction is a roofing contractor based in Seattle, WA, offering a full range of roofing services including installation, replacement, repair, leak repair, and roof inspections. They serve both residential and commercial clients and specialize in various roofing materials such as composition shingles, metal roofing including standing seam, torch applied roofs, TPO, flat roofs, and cedar shakes. With over a year in business, the company emphasizes quality workmanship, using top-grade materials and certified professionals. They also provide emergency roofing services and back their work with warranties for added assurance.

5.0
348 Reviews
Silverlining Roof LLC

Silverlining Roof LLC

10609 Beardslee Blvd, Bothell, WA 98011

Silverlining Roof LLC is a roofing contractor serving Seattle, WA, and the Puget Sound area. They provide a range of services including roof installation, replacement, repair, leak repair, metal roofing with standing seam, roof inspection, and certification. The company has over 19 years of experience and offers a 50-year warranty on qualified roof shingle services. Their capabilities include complete roof replacements and gutter installation, with a focus on detailed inspections and repairs such as valley metal replacement. Silverlining Roof LLC also offers financing solutions to assist clients with project planning.

5.0
343 Reviews
Blue & Blue Roofing Inc

Blue & Blue Roofing Inc

7814 228th St SW, Edmonds, WA 98026

Blue & Blue Roofing Inc is a roofing contractor based in Seattle, WA, offering residential roofing services including installation, replacement, repairs, inspections, and certifications. They specialize in shingle, metal, and flat torch-down roofing systems, providing complete roofing solutions with CertainTeed premium materials backed by manufacturer and workmanship warranties. With over 30 years of experience serving the Puget Sound region, Blue & Blue Roofing emphasizes honest assessments and quality workmanship to ensure long-lasting roofing protection for homeowners.

5.0
215 Reviews
King Quality Roofing

King Quality Roofing

12628 14th Ave S, Seattle, WA 98168

King Quality Roofing is a roofing contractor based in Seattle, WA, offering a range of services for both residential and commercial properties. Their expertise includes roof repair, roof replacement, roof inspection, and roof maintenance. They provide 24/7 emergency roofing services to address urgent issues promptly. The company uses high-quality materials and modern techniques to ensure durable results. King Quality Roofing also assists with insurance claims and handles storm damage repairs efficiently.

5.0
173 Reviews
See more providers in Sammamish, WA

How Sammamish's Climate Influences Your Roofing Project

The primary consideration for any roofing project in Sammamish is managing moisture. The area's frequent rain and damp conditions create an environment where proper water shedding, ventilation, and resistance to organic growth are non-negotiable for roof longevity.

  • Moisture Management: A roof is more than just shingles. Critical components like ice and water shield underlayment, properly sealed flashing around chimneys and vents, and adequate attic ventilation are essential to prevent water intrusion, wood rot, and mold growth within the roof structure 1 2.
  • Combating Moss and Algae: The damp, shaded areas common on many Sammamish properties are ideal for moss and algae. These organisms can lift shingles, trap moisture, and accelerate wear. Selecting materials that naturally resist growth or planning for periodic maintenance treatments is a standard part of local roof planning 1 3.
  • Ideal Installation Windows: Roofing contractors in the area strongly prefer scheduling installations from late spring through early fall. This period typically offers drier, more predictable weather, which is crucial for ensuring proper adhesion of materials like sealants and allowing the work to proceed without weather-related delays 4.

Popular Roofing Materials for Sammamish Homes

Choosing the right roofing material involves balancing aesthetics, budget, and performance in the local climate. Here are the most common options selected by Sammamish homeowners.

Architectural Asphalt Shingles

As the most popular and cost-effective choice, architectural (or dimensional) asphalt shingles offer excellent value. They provide a good balance of performance and affordability, with a typical lifespan of 25 to 35 years. Their layered construction offers better wind resistance and a more textured appearance than basic 3-tab shingles, making them a reliable standard for the region 1 5 6.

Metal Roofing

Metal roofing is a premium, long-term investment that excels in the Sammamish climate. Its smooth, hard surface sheds water efficiently and naturally resists moss and algae growth. Modern standing seam and metal panel roofs are durable, energy-efficient, and can last 40 to 70 years with minimal maintenance, making them an increasingly popular choice for homeowners planning to stay in their homes long-term 1 3 7.

Cedar Shakes

Cedar shakes provide a classic, natural aesthetic that complements many of Sammamish's wooded landscapes. However, in the damp environment, they require a higher level of commitment. Untreated cedar is susceptible to rot, moss, and fungal growth, necessitating regular cleaning, treatments, and more frequent inspections to maintain its integrity and appearance 1 5.

Composite & Synthetic Roofing

Engineered for modern performance, composite or synthetic roofing materials (made from rubber, plastic, or polymer blends) are designed for climate resilience. They can convincingly mimic the look of slate, wood, or tile but are lighter, more durable, and often include mold- and algae-resistant properties built right in, offering a low-maintenance alternative with a long lifespan 6 7.

Understanding Roof Replacement Costs in Sammamish

Roofing costs in Sammamish and the greater Seattle area are generally higher than national averages due to regional labor rates, the specific material requirements for the climate, and the comprehensive nature of a proper installation (including tear-off, disposal, and permitting) 1 3 5. The table below provides estimated cost ranges for a typical medium-sized home (approximately 2,000 square feet of roof area). Your actual cost will vary based on your roof's exact size, pitch, complexity, and any necessary structural repairs.

Material TypeAverage Total Project Cost in SammamishApproximate Cost per Square Foot (Installed)
Architectural Asphalt Shingles$19,500 - $42,000$6.50 - $10.50
Standing Seam Metal Roofing$48,750 - $105,000$12 - $18
Cedar Shakes/Shingles$30,000 - $60,000+$14 - $22

Estimates compiled from regional roofing cost data 8 9.

Find the perfect roof replacement & installation for your needs

Get personalized recommendations and expert advice

The Roof Replacement Timeline: What to Expect

While the entire process from initial consultation to final cleanup can span 2 to 4 weeks, the on-site physical installation is typically much shorter 10 11. The timeline is influenced by the material chosen and the complexity of your roof.

  • Asphalt Shingle Installation: For a standard-sized home with a straightforward roof design, the tear-off and installation of a new asphalt shingle roof usually takes 2 to 4 days 12 10 13.
  • Metal Roof Installation: Installing a metal roof requires more precise measuring and fitting. Homeowners should plan for the work to take approximately 3 to 7 days for a typical project 3 14.
  • Factors That Extend Timelines: Complex roof designs with steep pitches, multiple valleys, dormers, skylights, or the discovery of underlying decking damage during tear-off will logically add time to the project schedule 10 14.

Key Steps in the Roofing Process

A successful roof replacement follows a structured process to ensure quality and compliance.

  1. Initial Consultation & Estimate: A reputable contractor will inspect your roof, discuss material options, and provide a detailed written estimate outlining the scope of work and costs.
  2. Material Selection & Scheduling: Once you approve the estimate, materials are ordered and a project start date is scheduled, often aiming for a favorable weather window.
  3. Preparation & Permitting: The contractor typically handles pulling any required local building permits. Your property is prepared by protecting landscaping and setting up dumpsters for old material.
  4. Tear-Off & Inspection: The old roofing materials are removed, exposing the roof deck. This is a critical phase to inspect for and address any rotten wood or structural issues.
  5. Installation of Underlayment & Flashing: The waterproofing system is installed, including underlayment and metal flashing around all penetrations and roof edges.
  6. New Roof Installation: The primary roofing material (shingles, metal panels, etc.) is installed according to manufacturer specifications.
  7. Cleanup & Final Inspection: The job site is thoroughly cleaned using magnets and rakes to remove nails and debris. A final walk-through ensures your satisfaction.

Frequently asked questions

Sources

Footnotes

  1. How Much Does a Roof Replacement Cost in Seattle? 2025 ... - https://homze.com/blog/how-much-does-a-new-roof-cost-in-seattle-wa-2025 2 3 4 5 6

  2. Roof Replacement Cost in Fredericton: What to Expect in 2025 - https://www.altituderoofing.ca/roof-replacement-cost-fredericton-2025

  3. Replacing Your Roof in 2025? Here's What It Will Cost You - https://www.ridgetopexteriors.com/blog-posts/roof-replacement-costs-2025 2 3 4

  4. Happy Valley Expert Roofing Contractor - https://buenavistaroofing.com/happy-valley-or-roofing-contractor/

  5. Roof Replacement Cost in 2025 | Average Pricing & Key Factors - https://www.orcaroofing.com/blog/roof-replacement-cost/ 2 3

  6. Cost of Roof Replacement in Seattle 2025 - https://larryhaightroofing.com/roof-replacement-costs-in-seattle-2025/ 2

  7. Top 5 Materials For Apartment Roofs In Wisconsin - https://prestigeroofingllc.com/blogs/apartment-roof/ 2

  8. Washington Roof Cost Calculator (FREE, 3 easy steps) - https://www.valentineroof.com/pricing/roof-cost-calculator

  9. Roofing Cost Calculator - Landmark Roofing & Siding - https://www.landmarkroof.com/roofing-cost-calculator

  10. How Long Does a Roof Replacement Take? Complete 2025 ... - https://amstillroofing.com/blog/how-long-does-a-roof-replacement-take-complete-2025-timeline/ 2 3

  11. What is the typical timeline for a roofing project? - The Third Estimate - https://thethirdestimate.com/what-is-the-typical-timeline-for-a-roofing-project/

  12. Sammamish Roofing Experts | Orca Roofing & Exteriors - https://www.orcaroofing.com/location/sammamish/

  13. How Long Does It Take To Replace A Roof? (On Average) - https://betterwayroofing.com/blog/how-long-does-it-take-to-replace-a-roof/

  14. How Long Does a Typical Residential Roof Replacement Take? - https://mybellaroof.com/how-long-does-a-typical-residential-roof-replacement-take/ 2