Business Description
Grennan Construction is a family-run business providing Oakland County and the surrounding areas with roofing, siding, windows, gutters, and hail or wind damage repair. We also specialize in masonry services and are recognized as an elite James Hardie Preferred Contractor. Our goal is to always provide our customers with the best possible service while taking the time to understand their home improvement needs.Business Hours
Monday : 08:00 - 17:15
Tuesday : 08:00 - 17:15
Wednesday : 08:00 - 17:15
Thursday : 08:00 - 17:15
Friday : 08:00 - 17:15
Saturday - Closed
Sunday - Closed
