Best Licensed Plumbers in Darien, CT
5 plumbing companies registered in Darien hold current DCP licenses, verified against official records as of August 20, 2026. All 5 are listed below, ordered by years licensed.
- 11 current DCP plumbing and piping contractor licenses held in Darien
- 5 trade-name companies in Darien are backed by those personal licenses
- Scope tiers among Darien's licenses: 4 unlimited, 7 limited
- Median time licensed in Darien: 26 years
- Longest-standing license behind a Darien trade-name company: issued in 2000
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- Verified
- August 20, 2026
- Licensed since
- 2000
- Held by
- JOHN S HENN
- Scope
- Limited
- Verified
- August 20, 2026
- Licensed since
- 2000
- Held by
- VINCENT J LOPIANO
- Scope
- Limited
- Verified
- August 20, 2026
- Licensed since
- 2000
- Held by
- MARK T SWIMM
- Scope
- Limited
- Verified
- August 20, 2026
- Licensed since
- 2001
- Held by
- MARK G BOTHWELL
- Scope
- Limited
- Verified
- August 20, 2026
- Licensed since
- 2017
- Held by
- DAVID L GEDNEY
- Scope
- Limited
Compare the top 5 at a glance
| Company | License | Scope | Licensed since |
|---|---|---|---|
| Henn Pools LLC | #PLM.0279978-SP1 | Limited | 2000 |
| Custom Pools Inc. | #PLM.0280303-SP1 | Limited | 2000 |
| Swimm Pools Inc. | #PLM.0280365-SP1 | Limited | 2000 |
| Fgb Construction | #PLM.0280899-P7 | Limited | 2001 |
| E L Wagner Co Inc. | #PLM.0288486-SP1 | Limited | 2017 |
Darien plumbing licensure at a glance
Connecticut licenses people, not companies, so this page counts both and says which is which: 11 current DCP plumbing and piping contractor licenses are held in Darien, and 5 trade-name companies are backed by those license holders. A business appears here only when licensed contractors operate under a registered trade name, and each listing names the person whose license backs it. The state also defines a scope on every credential: 4 of Darien's licenses are unlimited and 7 limited - shown as published, never ranked on, because scope authorises kinds of work rather than ordering quality. Tenure is what these pages rank on: the median Darien license has been held 26 years, and the longest-standing license behind a trade-name company was issued in 2000. Licenses here expire on one statewide date per trade each year, so an expiration date says nothing about an individual company and none is shown per listing - it gates currency only. DCP publishes no insurance, no bond and no phone for any licensee, so Connecticut listings show none of the three. eLicense cannot link straight to a record, so every listing above shows its number for you to paste into DCP's eLicense lookup. How we verify.
Plumbers in Darien: common questions
How many licensed plumbers are there in Darien?
11 current DCP plumbing and piping contractor licenses are held in Darien, backing 5 trade-name companies. 5 Darien-registered companies passed our license verification, and all 5 are listed on this page. Only licenses in DCP's four live statuses, unexpired at our data date, count.
Who holds a Connecticut plumbing license - the company or a person?
A person. Connecticut licenses people, not companies: a business appears here only when licensed contractors operate under a registered trade name, and each listing names the person whose license backs it. 4 of Darien's 11 licenses are unlimited scope and 7 limited - shown as published, never ranked on.
How do I check a plumber's license in Connecticut?
Every listing above shows the license number and names its holder. DCP's eLicense lookup cannot link straight to a record, so open it and type the number in. The median Darien license has been held 26 years, and the longest-standing license behind a trade-name company was issued in 2000.