About Corstone

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Corstone Contractors LLC is a full-service general contractor in the greater Seattle area, providing commercial general contracting services for new construction, Tenant Improvements, and remodels.

Corstone has extensive experience with retail, restaurant, veterinary/healthcare, and commercial projects across the Western States region. Our experience spans occupied remodels, additions/upgrades, and new construction for numerous corporate clients, developers, franchisees and private owners. Our ability to constantly deliver projects on tight deadlines has been key to establishing long lasting relationships with repeat customers.

At Corstone, we approach each project differently. We understand that your project is as unique as you. We develop project-specific approaches to ensure your specific needs are met. 

Interested in joining the Corstone team?

Submit a resume on our Contact page or check out Corstone's Indeed page for information on current openings. Corstone is a drug-free, EOE employer.


"I am grateful for the partnership with Corstone Contractors and the relationship we have built over the past 16 years. They are truly a member of the team. They go beyond just building great looking stores, they understand our business, how we operate and deliver exceptional service. Enjoying the journey with Corstone Contractors."     

-Jerry Kesselring, MOD Superfast Pizza