Gallagher Bros Construction
Window installs, gutter repair and new siding, plus low-slope coatings. Run by one family since 1973; also works in St. Peters and Swansea.
What we checked
- Business phone works
- Website is live
- Website confirms roofing, siding and gutters
About
Gallagher Bros Construction is a family-owned and locally owned roofing, siding and gutter company in O'Fallon, Missouri, started in 1973. It repairs and replaces roofs, fixes storm and hail damage and installs gutters for homeowners and commercial properties. It works in O'Fallon, Dardenne Prairie, St. Peters, Weldon Spring, Wentzville and nearby areas. It offers free inspections or estimates and a workmanship warranty.
- Founded 1973
- Family owned
- Locally owned
- Residential
- Free inspection
- Warranty
- Website says licensed
- Website says insured
Services
Roofing
- Roof repair
- Roof replacement
- Roof inspection
- Storm and hail damage repair
- Insurance claim help
- Roof coating
- Commercial roofing
- Asphalt shingle roofs
- Flat and low-slope roofs
Gutters
- Gutter installation
- Gutter repair
- Gutter guards
Siding
- Siding installation
Other exterior work
- Window installation
In the firm’s own words
- Locally owned
As a family-owned and locally-operated company, we understand the specific challenges Missouri weather—from heavy snow to intense …
Source: https://gallagherbrosconstruction.com/st-louis-roof-replacement/ - Licensed
… is a St. Louis based roofing company with over 50 years’ experience in roofing, siding, and windows. We are licensed, insured, and set only the highest standards in workmanship. Privacy Policy Terms & Conditions Contact Us …
Source: https://gallagherbrosconstruction.com/ - Insured
… based roofing company with over 50 years’ experience in roofing, siding, and windows. We are licensed, insured, and set only the highest standards in workmanship. Privacy Policy Terms & Conditions Contact Us St. Louis …
Source: https://gallagherbrosconstruction.com/
Service area
Gallagher Bros Construction names 11 cities on its website. The farthest is Shiloh, 47 miles away.
- Roofers in O'Fallon 1 mi
- Roofers in Dardenne Prairie 4 mi
- Roofers in St. Peters 6 mi
- Roofers in Weldon Spring 7 mi
- Roofers in Wentzville 8 mi
- Roofers in Fenton 24 mi
- Collinsville 39 mi
- Fairview Heights 41 mi
- Swansea 43 mi
- Belleville 44 mi
- Shiloh 47 mi
Common questions
How long has this company been in business?
The website says the firm started in 1973, 53 years ago.
Is this company licensed and insured?
The website says the firm is licensed and insured. Ask to see both before you hire. Our guide shows how to check a roofer’s insurance and license.
Does this company give free estimates?
The website offers a free inspection or estimate. Call (314) 329-9035. Ask for the estimate in writing. See what a new roof costs.
Does this company give a warranty?
The website says the firm gives a warranty on its own work. Ask how long it lasts, and get the terms in writing.
Does this company repair storm and hail damage?
The website lists storm and hail damage repair and help with insurance claims. Read how a hail damage claim works.
What roof types does this company install?
The website lists asphalt shingle and flat and low-slope roofs.
Does this company do commercial roofs?
The website lists commercial roofing.
What areas does this company serve?
The website names O'Fallon, Dardenne Prairie, St. Peters, Weldon Spring, Wentzville, Fenton, Collinsville, Fairview Heights, Swansea, Belleville and Shiloh.
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At a glance
- Founded
- 1973 (53 years)
- Based in
- O'Fallon, MO
- Trades
- Roofing, siding and gutters
- Services listed
- 14
- Service area
- 11 cities, up to 47 miles away
- Phone
- (314) 329-9035
Before you hire Gallagher Bros Construction
- Insurance. The website says the firm is insured. Ask for a certificate of insurance, then call the insurer to confirm it.
- Written estimate. The website offers a free inspection or estimate. Get the price, the materials and the dates in writing.
- Warranty. The website says the firm gives a warranty on its work. Ask how long it lasts and what it covers.
Guide: check a roofer’s insurance and licenseGuide: repair or replace?
Other roofers in O'Fallon
| Company | Since | Known for |
|---|---|---|
| Gallagher Bros Construction | 1973 | Window installs, gutter repair and new siding, plus low-slope coatings. Run by one family since 1973; also works in St. Peters and Swansea. |
| Quality Roofing & Contracting - Roofing Company in O'Fallon | 2004 | Founded 2004, family-owned. Decks, doors, remodeling and windows, plus gutter guards and financing near Bridgeton and St. Peters. |
| Second To None Exteriors | 2016 | Owens Corning Preferred, family-owned since 2016. Drainage, gutter guards and fiber cement siding in Josephville and Flint Hill. |
| Eagle Revolution | – | Veteran-owned CertainTeed ShingleMaster. Decks, doors, gutter guards and flat roofs, with financing, in Cottleville and Wildwood. |
| Crane Roofing | – | BBB Accredited and family-owned. Skylights, ventilation, decks, patio covers and remodeling, plus windows and gutter guards. |
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