Description

Grennan Construction | Family-Owned & Trusted Since 1998

Founded in 1998 by Fred and his father, Phil, Grennan Construction is built on a legacy of quality craftsmanship and a commitment to excellence. What started as a small family venture has grown into one of southeastern Michigan’s most trusted exterior remodeling companies.

Homeowners choose us for our experience, stellar reviews, and the personal touch that comes with being a family-run business. We believe in transparency, providing detailed quotes and renderings to ensure our clients’ visions align with the final result.

From roofing and siding to full exterior renovations, we take pride in helping homeowners protect and enhance their most important investment—their home. Our team is like family—honest, skilled, and dedicated to delivering outstanding results with integrity and care.

We specialize in exterior remodeling throughout southeastern Michigan and value long-term relationships with our clients. Whether through email updates or referral programs, we stay connected long after a project is complete.

When you choose Grennan Construction, you’re choosing experience, trust, and craftsmanship that stands the test of time. Let’s bring your vision to life! Give us a call today!

Services Provided
Aluminum Siding, Asphalt Shingle Roofing, Brick Siding, Composition Roofing, Drywall Installation, Garage Building, Home Additions, Insulation Installation, Masonry, Metal Roofing, Roof Installation, Roof Repair, Roof Replacement, Rubber Roofing, Siding Installation, Siding Repair, Skylight Installation, Slate Roofing, Sliding Door Installation, Soffit Installation, Soffit Repair, Stone Masonry, Tar and Gravel Roofing, Tile Roofing, Torch Down Roofing, Trim Work, Vinyl Siding, Window Installation, Window Replacement, Door Installation, Gutter Cleaning, Gutter Installation, Multi-Family Apartment & Building Services, James Hardie Siding Installation, CertainTeed Roofing, CertainTeed Siding, Fiber Cement Siding Installation

Areas Served
Auburn Hills, Berkley, Beverly Hills, Bingham Farms, Birmingham, Bloomfield Hills, Clarkston, Clawson, Commerce Township, Drayton Plains, Farmington, Farmington Hills, Franklin, Keego Harbor, Lake Angelus, Lake Orion, Lathrup Village, Novi, Oakland, Oakland Township, Orchard Lake, Pontiac, Rochester, Rochester Hills, Royal Oak, Southfield, Sylvan Lake, Troy, Union Lake, Walled Lake, Waterford, West Bloomfield, West Bloomfield Township, White Lake, Wolverine Lake, Davisburg, Milford, Holly, Bloomfield Charter Township, Fendale, Oxford, Orchard Lake Village, Plymouth, Huntington Woods, Pleasant Ridge, Wixom, Lyon Charter Township, Cranbrook

Angie's List 2013, 2014, 2015, and 2016 Super Service Award Winners, A+ with BBB since 1997, Oakland County Best of the Best 2021, 2022, 2023, 2024, Detroit Best of Best 2021 and 2022.