The Master Builders Association of King and Snohomish Counties (MBA) was founded in 1909 by a group of Seattle builders who saw a need to unite to address the many concerns and issues affecting the housing industry. They shared technology and jointly solved construction problems. They actively worked with government to develop laws that protected the environment while still providing attractive, affordable communities and homes for the families of the Puget Sound region.

The homes and communities built by members of MBA are today among the most desirable neighborhoods in which to live anywhere in the world.

Today’s MBA membership continues to take an active role in all facets of home construction in the Puget Sound region. With a staff of professionals, the membership is dedicated to providing a wide range of housing choices, including affordable product for the important first-time buyer market. Because of its active approach to the region’s housing needs, the MBA has grown to become the second largest local homebuilders association in the United States.

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