G
Gallagher Bros Construction
O'Fallon, Missouri 63366
Est. 1970
5.0(8 reviews)
Free EstimatesWarranty
About Gallagher Bros Construction
The top-rated roofing company St. Louis MO, and siding company in St Louis, Gallagher Bros Construction, locally owned since 1973.
Services
roof repairroof replacementsidinginspection
Business Hours
Mon, Tue, Wed, Thu, Fri: 08:00-17:00
Contact & Location
- Address
- 609 Westridge Dr B, O'Fallon, MO 63366
- Phone
- +1 314-329-9035
- Location
- O'Fallon, Missouri 63366
- Established
- 1970
Find Us Online
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Contact
Call +1 314-329-9035EmailVisit WebsiteView on Google MapsMon, Tue, Wed, Thu, Fri: 08:00-17:00
Free estimates
Work guaranteed
Last verified: September 11, 2026
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