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Connecticut PLM-P1 Plumbing & Piping Unlimited Contractor License
Connecticut has 2,681 active PLM-P1 Plumbing & Piping Unlimited Contractor holders in the state file as of 2026-10-291, the 4th-largest of 15 classes with at least 200 holders. 411 of them expire by 2026-12-29.
- Active holders
- 2,681
- 6.1% of active Connecticut licenses
- Expiring by 2026-12-29
- 411
- 15.3% of holders
What does the Connecticut Plumbing & Piping Unlimited Contractor license require?
Class rules, exam and bond: check with DCP.
How do you check a PLM-P1 license?
Search by license number or business name on the Connecticut license lookup, which reads the same state file.
Other Connecticut license classes
- PLM-P7 Plumbing & Piping Limited Contractor632
- Plumbing & Piping Limited Contractor205
- NHC New Home Construction Contractor3,029
- HTG-S1 Heating, Piping & Cooling Unlimited Contractor2,072
- ELC-E1 Electrical Unlimited Contractor5,324
- MCO Major Contractor1,894
- HIC Home Improvement Contractor24,201
- Sheet Metal Limited Contractor662
Sources
- CT Dept of Consumer Protection via data.ct.gov (ngch-56tr) (portal.ct.gov, 2026-10-29)
- DCP - Plumbing and Piping / Heating Cooling (portal.ct.gov)