Hosack Plumbing, Heating & Cooling
Hosack Plumbing, Heating & Cooling is an O’Fallon plumbing contractor serving residential and commercial customers in the St. Louis area. Its work includes underground sewer and water installations and repairs. Its O’Fallon plumbing team has more than 25 years of industry experience.
Business Highlights
- It is family-owned and operated.
- It is fully licensed and bonded.
- Its plumbers are professionally trained and licensed.
Service Area
Affton, Ballwin, Bel-Nor, Bel-Ridge, Berkeley, Black Jack, Breckenridge, Brentwood, Chesterfield, Clarkson Valley, Clayton, Cottleville, Crestwood, Creve Coeur, Dardenne Prairie, Des Peres, Ellisville, Fenton, Florissant, Foristell, Frontenac, Grover, Hazelwood, Huntleigh, Jennings, Kirkwood, Ladue, Lake St Louis, Manchester, Marlborough, Maryland Heights, O’Fallon, Oakland, Overland, Pagedale, Spanish Lake, St Ann, St. Charles, St. Johns, St. Louis, St. Peters, Sunset Hills, Town and Country, University City, Webster Groves, Wentzville and Wildwood.
Featured on ProsGrade. Hosack Plumbing, Heating & Cooling is one of 8 plumbers ProsGrade lists in O'Fallon, Missouri.
7 services listed, including New construction and remodeling plumbing, Plumbing repairs and Water heaters. Open 24 hours, 7 days a week. Rated 4.9 from 717 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Hosack Plumbing, Heating & Cooling compares with the other 7 plumbers on ProsGrade in O'Fallon, using public Google ratings and review counts.
- Ranks in the top half of the 8 O'Fallon plumbers on ProsGrade by Google rating and review volume.
- Rated 4.9 on Google, at or above the 4.8 average of other O'Fallon plumbers on ProsGrade.
- One of 7 O'Fallon plumbers on ProsGrade rated 4.7 or higher from at least 10 reviews.
Trust Signals
Phones are listed as open 24 hours on Google; call to check current availability for urgent needs.
Services Covered
7 services- New construction and remodeling plumbing
- Plumbing repairsLeaking faucets, broken toilets, faulty pipes and malfunctioning fixtures
- Water heatersInstallation, maintenance and repairs
- Tankless water heaters
- Sewer, water and gas pipesUnderground sewer and water installations and repairs
- Fixtures and toiletsFaucets, toilets, dishwashers and garbage disposals
- Commercial plumbing service and repairs
Reviews
What customers say
Customers praise prompt service and polite, efficient work. One customer reports a water heater installed within two hours after the issue was assessed, though the cost was more than hoped.
Customer Reviews
Mandi Larson
Shari Smith
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Frequently Asked Questions
How does Hosack limit disruption during sewer work?
It says it uses precise methods intended to minimise the project's impact on the property.








