Data
Plumbing companies in Connecticut
There are 2,925 plumbing companies in Connecticut (CityPreferred count, October 2026). Stamford has the most (209), then Norwalk (95).
Reviewed October 1, 2026
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Connecticut cities
| City | Companies |
|---|---|
| Stamford | 209 |
| Norwalk | 95 |
| Hartford | 94 |
| Greenwich | 73 |
| Bridgeport | 69 |
| Milford | 64 |
| Bristol | 57 |
| Fairfield | 57 |
| Waterbury | 55 |
| Danbury | 54 |
| West Hartford | 51 |
| Stratford | 50 |
| New Haven | 49 |
| Enfield | 43 |
| New Milford | 40 |
| Shelton | 40 |
| East Hartford | 37 |
| Tolland | 34 |
| Meriden | 34 |
| Wallingford | 33 |
| Trumbull | 32 |
| Manchester | 32 |
| Newington | 31 |
| New Britain | 30 |
| Hamden | 28 |
| Norwich | 28 |
| Wethersfield | 27 |
| North Haven | 26 |
| Middletown | 26 |
| Southbury | 25 |
| Cheshire | 24 |
| Colchester | 24 |
| Naugatuck | 24 |
| West Haven | 23 |
| West Torrington | 22 |
| Glastonbury | 22 |
| Branford | 22 |
| Litchfield | 21 |
| Bloomfield | 20 |
| Guilford | 20 |
Connecticut and the rest of the country
Connecticut has 2,925 of the 185,402 plumbing companies in the country (2%). All states.
What is counted
Independent businesses that do this work, for homes or for businesses. Suppliers, stores and national chains are left out. Being counted does not mean a company is licensed, insured or recommended. A city is listed when it has 20 or more. How we count.
Questions and answers
- How many plumbing companies are there in Connecticut?
- 2,925, by CityPreferred's count as of October 2026.
- Which Connecticut city has the most?
- Stamford, with 209, followed by Norwalk with 95.