"It is a rarity to find someone who is so conscientious and does a great job."

"Having witnessed several of Mark's projects over the years, I am continually impressed with his ability to be solutions oriented while preserving that unique touch of perfection."

About Us

For the last 40 years Mark McNab, the licensed contractor and principal builder of MBI, has had broad experience ranging from the design and build of semi-custom and custom homes to commercial land development and structures. Read More…


– New Home Design & Build
– Semi-Custom & Custom Homes
– Home Makeovers & Remodeling
– New Commercial & Remodeling
– Structural Repair & Mitigation
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“Mark, Thanks again for the professional work you did on the home in Florissant! Your expertise was critical in efficiently determining how to resolve the issues, and I also appreciate the performance when it came to mitigating the problems quickly.” Read More…