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Our History

​​​​​​​Established in Seattle in 1905 by an enterprising Swedish immigrant named Peter Manson, Manson Construction Co. quickly developed an enviable reputation for good, honest, hard work which was completed in a timely manner. Peter Manson’s innovation and imagination allowed him to expand the company and its areas of operation, growing from a family-owned company to the ESOP we are today.  

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