Grennan Construction, a family owned and operated Exterior Remodeling business based in Pontiac, MI, is a welcome change from the typical contracting company. We have built our business on our ability to take an unbiased, consultative approach to helping homeowners understand all the important details of making a successful construction investment. By educating homeowners on the entire process...
As a family-owned and operated company servicing Oakland county and the surrounding areas, Grennan Construction has earned a reputation for honesty and integrity. Fair business practices, quality workmanship and superior customer service are some of the key reasons we stand apart from other companies. Founded in 1998 by Fred and Phil Grennan, Grennan Construction takes great pride in providing...
We specialize in Roofing, Siding, Windows, Blown-In Insulation, Seamless Gutters, Gutter Protection and Masonry.