• Effective March 23, the Chamber lobby will be closed to the public until further notice.

    Chamber staff will continue checking emails during regular business hours. 

    Thank you for your understanding.

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  • Maas Brothers Construction

    • Contractors/Builders
    410 Water Tower Ct
    Watertown, WI 53094-0108
    (920) 261-1682
    (920) 261-3521 (fax)
    • About

      As a general contractor, Maas Brothers Construction handles all phases of the construction process, from strategic planning through completed building turnover. Every construction project is unique, so we tailor our services to fit your specific needs.

    • Whom to Contact