Cornerstone Roofing, Inc.

Quality Workmanship You Can Trust


Not sure if your roof is in need of Repair or Replacement? We offer free roof inspections and are happy to evaluate the life of your roof. We will provide you with a proposal based on your roofing needs.


Our Re-Roof Division specializes in Composition/ Asphalt Shingle Roof Replacements on steep slope Residential and Commercial properties, along with gutters, downspouts, and skylights.


We have a dedicated Repair Division that specializes in repairing existing roofs’ needs, such as roof leaks, flashing, ventilation issues, skylight re-flashing and replacement, roof maintenance, and more.




Recently Completed Projects

To view more recently completed projects from our Residential and Commercial Portfolios, please visit our Gallery page here

More Residential Projects

To view more recently completed Residential Roofing projects, please visit our Residential Portfolio in our Gallery. 

Request a Free Estimate

We offer free roof estimates for Composition/ Asphalt shingle roof replacements, roof repairs, gutters, skylights, and maintenance. 

More Commercial Projects

To view more recently completed Commercial Roofing projects, please visit our Commercial Portfolio in our Gallery. 


Recent Customer Reviews

“Exceptional company service in all ways. The owner was the best, my project manager was an A+. They kept me fully informed at all times. My whole relationship with Cornerstone was A+++. 5 stars in every aspect.”

Edmonds, WA Homeowner

“Cornerstone Roofing is a great company. Their service and quality of work is unparalleled. A professional and caring company. They are number one in my book. Thank your for your service.”

Snoqualmie, WA Homeowner

“Cornerstone Roofing is a quality organization – very well coordinated between employees. All who I dealt with had a great sense of customer service.”

Bellevue, WA Homeowner

“Thank you for such a fine job! Everyone was quite courteous and attentive. The details mattered and your team wanted to do the best job possible for us.”

Snohomish, WA Homeowner

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