St. Louis Roofing Contractor
St. Louis, MO Roofing, Windows, & Siding
Gallagher Bros Construction is a family-owned roofing contractor serving the St. Louis metropolitan area since 1973. With over 50 years of experience, 637+ verified reviews at a 4.9-star rating, and a 5-year workmanship warranty on every project, Gallagher Bros is one of the most established roofing companies in the region. We specialize in roof replacement, roof repair, siding, gutters, and windows for residential homeowners across St. Louis County, St. Charles County, and Metro East Illinois.
Our goal for every job is to exceed our customers’ expectations and make the service worthy of a five-star online recommendation. We know that your home or business is likely your most important financial investment, and you can count on us to complete each project with the highest quality and care. For this reason, thousands of satisfied St. Louis roofing customers have chosen Gallagher Bros Construction for their St. Louis roofing, siding, and window replacement needs.
Why St. Louis Homeowners Choose Gallagher Bros
- Family-owned and operating since 1973 — over 50 years in business
- 637+ reviews at 4.9 stars (link to GBP or embed widget)
- 5-year workmanship warranty on every installation
- Two locations serving the metro: South County and O’Fallon
- Licensed, bonded, and insured in Missouri and Illinois
Trusted St. Louis Roofing Contractor on Every Job
100% Satisfaction Guarantee
High-Quality Materials
Highly Professional Staff
High-Quality Installation
Gratitude For Choosing a Local Business
Areas We Serve
- St. Louis County (Mehlville, Kirkwood, Webster Groves, Ballwin, Fenton, Arnold, etc.)
- St. Charles County (O’Fallon, St. Peters, Wentzville, St. Charles, Lake St. Louis, etc.)
- Metro East Illinois (Belleville, Edwardsville, Collinsville, etc.)