CT Plumbing Contractor License Cost

November 5, 2026
16 min read

Connecticut’s P‑1 plumbing contractor license costs include a $150 application, PSI exam fees of $59 per portion (trade and business), a $150 initial license issuance, and a $150 annual renewal due each October 31. We also outline the experience pathways, CE, and steps to apply.

The plumbing contractor license cost in Connecticut (P‑1) includes a $150 DCP application fee, PSI exam fees of $59 per portion (trade and business), a $150 initial license fee after you pass, and a $150 annual renewal due by October 31. No separate state bond is required.

Requirements last verified: 2026-11-05

RequirementDetails
Licensing agency Connecticut Department of Consumer Protection (DCP), Occupational & Professional Licensing Division. Plumbing & Pipefitting Licensing. ([portal.ct.gov](https://portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Plumbing-and-Pipefitting-Licensing?utm_source=openai))
Application fee $150 (non‑refundable) for contractor licenses. DCP application page. ([portal.ct.gov](https://portal.ct.gov/dcp/license-services-division/all-license-applications/plumbing-and-pipefitting-licensing?utm_source=openai))
Exam PSI administers exams; contractors must pass trade and business portions. Each exam portion fee is $59. DCP: Exams administered by PSI; PSI Candidate Bulletin. ([portal.ct.gov](https://portal.ct.gov/DCP/Occupational-and-Professional-Division/Occupational--Profess/About-Careers-in-the-Trades?utm_source=openai))
Initial license fee $150 after passing exams (Unlimited Plumbing & Piping Contractor). DCP fee schedule. ([portal.ct.gov](https://portal.ct.gov/-/media/DCP/pdf/forms/License-Types-Prefix-Fees.pdf))
Renewal $150 annually; all plumbing/pipefitting licenses expire October 31 each year. Fee schedule; Licensing page. ([portal.ct.gov](https://portal.ct.gov/-/media/DCP/pdf/forms/License-Types-Prefix-Fees.pdf))
Experience Typical path: hold the P‑2 journeyperson license for 2+ years; or qualify via equivalent training: 12,000 hours OJT and 576 classroom hours for P‑1. DCP Equivalent Experience & Training (P‑1). ([portal.ct.gov](https://portal.ct.gov/dcp/license-services-division/all-license-applications/plumbing-contractor---equivalent-experience-and-training))
Minimum age No explicit age is listed by DCP for P‑1; eligibility is based on holding P‑2 or meeting the equivalent experience/training standard. DCP plumbing licensing; Equivalent Experience. ([portal.ct.gov](https://portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Plumbing-and-Pipefitting-Licensing?utm_source=openai))
Insurance/bond DCP does not list a separate bond or liability insurance requirement for the P‑1 license. (Home Improvement registration and private contracts may impose additional requirements.) DCP fee schedule. ([portal.ct.gov](https://portal.ct.gov/-/media/DCP/pdf/forms/License-Types-Prefix-Fees.pdf))
Continuing education Unlimited Plumbing & Piping Contractor (P‑1) requires 7 hours of CE biennially. DCP fee/CE table. ([portal.ct.gov](https://portal.ct.gov/-/media/DCP/pdf/forms/License-Types-Prefix-Fees.pdf))

How to get a Connecticut P‑1 plumbing contractor license (and what it costs)

  1. Confirm eligibility. Hold a P‑2 for two years, or document 12,000 hours OJT plus 576 classroom hours for P‑1 equivalency. Cost: $0. DCP equivalency criteria. ([portal.ct.gov](https://portal.ct.gov/dcp/license-services-division/all-license-applications/plumbing-contractor---equivalent-experience-and-training))
  2. Apply with DCP. Submit your contractor application online via eLicense or the Contractor Paper Application and pay the non‑refundable $150 application fee. DCP application portal. ([portal.ct.gov](https://portal.ct.gov/dcp/license-services-division/all-license-applications/plumbing-and-pipefitting-licensing?utm_source=openai))
  3. Schedule PSI exams. After DCP eligibility, register with PSI for both the trade and business portions; each portion is $59. Total exam fees typically $118. PSI Candidate Bulletin. ([test-takers.psiexams.com](https://test-takers.psiexams.com/api/content/bulletin/90))
  4. Activate your license. Upon passing, submit your score reports and pay the $150 initial license fee to DCP to issue your P‑1. DCP fee schedule. ([portal.ct.gov](https://portal.ct.gov/-/media/DCP/pdf/forms/License-Types-Prefix-Fees.pdf))
  5. Maintain and renew. Complete 7 hours of CE every two years and renew the license annually by October 31 for $150. DCP fee/CE table; DCP licensing page. ([portal.ct.gov](https://portal.ct.gov/-/media/DCP/pdf/forms/License-Types-Prefix-Fees.pdf))

Connecticut plumbing contractor license cost breakdown (P‑1)

Plan for four state‑set costs: (1) $150 non‑refundable application fee; (2) PSI exam fees at $59 per exam portion (contractors take trade and business); (3) $150 initial license fee after passing; and (4) $150 renewal every year by October 31. DCP licensing page; PSI bulletin; DCP fee schedule. ([portal.ct.gov](https://portal.ct.gov/dcp/license-services-division/all-license-applications/plumbing-and-pipefitting-licensing?utm_source=openai))

What the CT P‑1 plumbing contractor license allows

The P‑1 is the Unlimited Plumbing & Piping Contractor credential—holders may perform all plumbing and piping work defined in CGS §20‑330. DCP scope of work. ([portal.ct.gov](https://portal.ct.gov/dcp/occupational-and-professional-division/occupational--profess/plumbing-licenses-and-scope-of-work?utm_source=openai))

Eligibility routes for a Connecticut plumbing contractor license

Standard route: P‑2 to P‑1

Most applicants hold the P‑2 journeyperson for at least two years before applying for the P‑1 contractor exam and license. DCP plumbing licensing. ([portal.ct.gov](https://portal.ct.gov/dcp/license-services-division/all-license-applications/plumbing-and-pipefitting-licensing?utm_source=openai))

Equivalent experience route

You can also qualify by documenting 12,000 hours of on‑the‑job training and 576 classroom hours that match DCP’s Exhibit A curriculum for P‑1. DCP P‑1 equivalent experience. ([portal.ct.gov](https://portal.ct.gov/dcp/license-services-division/all-license-applications/plumbing-contractor---equivalent-experience-and-training))

Renewal timing, CE, and add‑on registrations

All plumbing and pipefitting licenses renew annually on October 31. P‑1 holders owe 7 hours of continuing education every two years and a $150 renewal each year. For residential remodeling work, confirm if separate Home Improvement Contractor registration applies. DCP licensing; DCP fee/CE table. ([portal.ct.gov](https://portal.ct.gov/dcp/license-services-division/all-license-applications/plumbing-and-pipefitting-licensing?utm_source=openai))

Exploring related trades or comparing budgets across specialties? Our breakdown of CT HVAC contractor license costs and our guide to Connecticut electrical contractor license costs can help you benchmark exam, application, and renewal fees across trades.

Frequently Asked Questions

How much does it cost to get a P‑1 plumbing contractor license in Connecticut?

Expect a $150 DCP application fee, PSI exam fees of $59 per portion (you’ll take trade and business), a $150 initial license fee after passing, and a $150 annual renewal each October 31. No separate state bond is listed for P‑1. DCP; fees; PSI. ([portal.ct.gov](https://portal.ct.gov/dcp/license-services-division/all-license-applications/plumbing-and-pipefitting-licensing?utm_source=openai))

Who administers the Connecticut plumbing contractor exam and what does it include?

PSI administers DCP’s occupational trade exams. Contractor candidates must pass two exams—trade and business. Each exam portion costs $59 per attempt, and passed portions remain valid for two years. DCP; PSI bulletin. ([portal.ct.gov](https://portal.ct.gov/DCP/Occupational-and-Professional-Division/Occupational--Profess/About-Careers-in-the-Trades?utm_source=openai))

What experience is required to qualify for the P‑1 in Connecticut?

Either hold a P‑2 journeyperson license for at least two years or meet DCP’s equivalent experience standard: 12,000 OJT hours and 576 classroom hours aligned with the Exhibit A course list. DCP P‑1 equivalency. ([portal.ct.gov](https://portal.ct.gov/dcp/license-services-division/all-license-applications/plumbing-contractor---equivalent-experience-and-training))

When do I renew a CT plumbing contractor license and how much is renewal?

All plumbing and pipefitting licenses renew annually by October 31. The P‑1 renewal fee is $150, and you must complete 7 hours of CE every two years. DCP fee/CE table; DCP licensing. ([portal.ct.gov](https://portal.ct.gov/-/media/DCP/pdf/forms/License-Types-Prefix-Fees.pdf))

Is there a minimum age or insurance requirement for the P‑1?

DCP does not list a specific age requirement for the P‑1; eligibility turns on journeyperson status or equivalent experience/training. DCP also does not list a separate bond or liability insurance requirement for issuing the P‑1 license. DCP licensing; fee/CE table. ([portal.ct.gov](https://portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Plumbing-and-Pipefitting-Licensing?utm_source=openai))

Ready to move from journeyperson to business owner? License Navigator can walk you through each form, fee, and exam step so you can budget confidently and get your Connecticut P‑1 issued on the first try.

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About this publication

Licensing Navigator researches business licensing requirements and organizes them into practical, state-by-state guidance. Our pages are research aids, not legal advice.

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