WELCOME TO CORNERSTONE CONSTRUCTION OF SEATTLE INC.

TESTIMONIALS

"Cornerstone is great! They have always been really responsive, given fair and reasonable quotes, that are clear and complete and they do a great job. I've called them for work on my parents house and my own and I have recommended them to others and will continue to do so because of their great service!"

Marika
Homeowner

"Most of the projects I develop are on very challenging sites. I can invest in steep slope and Environmentally Critical Areas knowing that Cornerstone will be there to handle some of the most complicated demolition and excavation sites in Seattle."

John Riser
JDR Development, Inc.
Riser Homes

"Part of  our mission at Rafn is to develop strong partnerships that help us provide customer satisfaction while still keeping our costs low. Cornerstone saves money for our customers and gets the job done on time - every time."

Heather Beaulieu
Vice-President, Rafn Company