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We are a company building relationships one structure at a time,
and have been for more than 30 years.

Mark Kost has been building structures of enduring quality and value throughout the Pacific Northwest for the past 30 years. At Mark Kost Construction, Inc. success is measured by excellence in construction combined with long-term relationships with clients.
Our goal: building clients for life.

From new construction of residential and commercial to modernization and restoration, Mark Kost Construction is a full service construction firm serving both residential and commercial clients in Oregon and Washington. A comprehensive plan takes each project from concept to completion.

Essential: turning our clients vision into reality. We work to exceed your expectations.

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