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About the MBA

Builders sharing technology and solving construction problems, while providing attractive, affordable communities and homes for the families of the Puget Sound region.

Welcome Home

Founded in 1909 and headquartered in Bellevue, Washington, the Master Builders Association of King and Snohomish Counties (MBA) is the nation’s oldest and largest local homebuilders association. Serving every area of the residential homebuilding industry as well as the communities we live in, our goal is to make the Puget Sound region a better place to live for all.

Like our founders so long ago, our members continue to take an active approach and leading role in all facets of home construction and address the many concerns and issues affecting our region’s ever-evolving housing industry. Our members are award winning professionals, are trusted within our communities and continue to drive innovation. From groundbreaking technology to revolutionary advances in sustainability, from leading government advocacy efforts on behalf of the building industry and the homeowners we serve, to giving back to our communities every chance we get, our goal never wavers.

We are the professional home builders, architects, remodelers, suppliers, manufacturers, and sales and marketing professionals in your community who believe home ownership is a right for everyone.

We are the Master Builders Association of King and Snohomish Counties, and we’d like to welcome you home.