Down
Under Construction

About Us

Year after year, Down Under Construction completed 4 to 5 times more basement finishes in Longmont, Colorado than any other company when operating as a general contractor! (Determined by an annual count of city basement finish permits)

Now, we serve clients who are looking to be their own general contractor but lack the needed experience and good subcontractors to be confident to tackle a basement finish. With over 150 completed projects we are in a great position to provide need assistance with design, planning, budgeting as well as how to classes, and great local trades. The client is in total control of how often we are used and in what capacity.

We have an We have an A+ rating with the BBB, in over 10 years of operation we have never had a complaint filed! We do the hard work necessary to make sure you are completely satisfied. Schedule a Free Estimate to learn more!