Dedicated to exceptional customer service and project value.

It's this commitment to providing a hassle-free construction process at a competitive price that acts as the "finishing touch" to your project.


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Over 100 veterinary/healthcare projects completed, ranging from new construction, Tenant Improvements, and remodels.

Specialized experience in the delivery of clinics, hospitals, emergency treatments centers, and boarding facilities.

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Over one million square feet of retail space built across the Western US for corporations and developers.

Rollout and upgrade plans delivered to specific timeframes. New construction, Tenant Improvements, and occupied remodels.

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Completed over 750 restaurant projects in fine dining, fast casual and QSR for corporations, owner-occupier, and franchisees.

Extensive restaurant experience ranging from ground-up construction, Tenant Improvements, and occupied remodels, including night work.

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Corstone is a general contractor located in the Seattle area and serving the entire Western States region. We are licensed and bonded in all Western States, providing comprehensive construction services for retail, restaurant, veterinary/healthcare, and commercial customers.

"Over the past four years, Corstone has been a great partner. We've completed many successful projects together. The greatest strength I see in Corstone is their ability to deliver quality project on time. Corstone is also willing to roll up their sleeves and get to the pricing necessary to make a project work. They are not only professional, but they are a pleasure to work with. You can count on honest, straight-forward answers, and for the relationship to be managed ethically." -Dan Dover, Main & Main


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Veterinary / Healthcare
Office / General / Financial
Educational / Public Projects