About Us

Credentials, Awards, Associations

Cornerstone Roofing has been servicing King and Snohomish counties since 1996. Our leadership team has extensive experience in all aspects of the roofing industry. We are dedicated to providing our clients with a dependable roof system through high quality workmanship, superior materials, and a premium level of customer service. We are a roofing company large enough to handle any of your residential and commercial roofing needs, yet small enough to monitor your project from start to finish to assure your complete satisfaction.


Cornerstone Roofing holds elite credentials with the top major roofing manufacturers in the U.S.  Adhering to the manufacturers’ installation guidelines, Cornerstone utilizes the highest quality roofing products, upholds a strong standard of excellence in the roofing industry, and displays extensive knowledge in each product we offer.


Cornerstone Roofing is honored to be recognized by outstanding organizations and publications such as KOMO 4 News, Roofing Contractor Magazine, The Seattle Times, Puget Sound Consumers’ Chcekbook, Angie’s List Magazine, CertainTeed, the Bothell-Kenmore Reporter, Newcastle Neighborhood Life Magazine, Woodinville Influence Magazine, The Points Living Magazine, and more.


Cornerstone Roofing is proud to be a member of local and national industry associations such as the Better Business Bureau, the Master Builders Association, and The Building Industry Association of Washington. We value being a positive, accredited business partner in the neighborhoods we serve, and take pride in our memberships and involvements.


KOMO 4 News featured Cornerstone Roofing in their segment on “Best Local Roofers”, covering Puget Sound Consumers’ Checkbook’s “Top Rating for Quality” Roofing Contractors!

“From the initial estimate to the finish, this roofing company out preformed my wildest expectations. They were timely with commitments, detailed in answering questions, and followed through with all dates and times as promised. It looks fabulous!”

Bothell, WA Homeowner | June 2018

“Impressed with services provided by our Estimator, our Operations Manager coordinating the roofing process, the office staff answering questions, the staff on the roof, and our Final Technician for the inspection. All were responsive and quick with communication.” 

Lake Forest Park, WA Homeowner | August 2017

“We appreciate the professionalism of all the crew and office, and the quality of products and workmanship. The best roofing company there is. Would highly recommend to all of our family and friends.”

Edmonds, WA Homeowner | February 2018

“Competitive bid; great/ perfect communication with Sales and Project Manager; hard workers who completed work on time and at high quality; and a great warranty that gives us peace of mind in our investment.”

Redmond, WA Homeowner | January 2018

Why Cornerstone?


Experienced & Reputable

Installing Composite/ Asphalt Shingle roofs since 1996. We have been recognized as one of the Puget Sound's top rated roofers.



Licensed, Bonded, Insured

Cornerstone has operated under the same license for nearly three decades. License # CORNERI011CM.



Fair Pricing Plus Financing Available

Cornerstone's experienced estimators are accurate and detailed. We offer No Payments and No Interest for 12 months (OAC).

Cornerstone Roofing, Inc.



Serving King and Snohomish Counties

SINCE 1996