Connecticut Contractor License Exam Guide (2026)

Nor'easters dump wet snow on Hartford while Long Island Sound humidity rusts fasteners along the shoreline. Connecticut's Department of Consumer Protection (DCP) exams expect you to pivot between coastal floodproofing, cold-climate energy codes, and some of the strictest consumer-protection statutes in the region.

Last verified: May 2026 via Connecticut DCP Occupational Licensing. Official source: Connecticut Department of Consumer Protection.

  • 75 QuestionsTrade module
  • 2.5 HoursPSI limit
  • 70%Minimum score

How Connecticut licenses contractors

The DCP licenses new home construction contractors, home improvement contractors, and dozens of occupational trades (S, P, E, etc.). PSI (test-takers.psiexams.com/cttr) delivers the trade exams, while DCP manages registrations and consumer contracts.

Coastal counties battle FEMA V-zone waves and salt spray, while inland hills face ice dams, freeze—thaw heave, and dense hardwood forests that fuel wind debris. Exams reference flood vents, ice barrier details, and cold-climate heat pump sizing.

Official source: Connecticut Department of Consumer Protection

Connecticut licensing at a glance

  • 75 Questions — Trade module
  • 2.5 Hours — PSI limit
  • Typical cost: Registration fees for NHCC and HIC licenses are set by DCP—review the latest renewal notice before mailing checks.
  • State-specific trade exam required (NASCLA not accepted for primary licensing path)
  • Common license path: New Home Construction Contractor (NHCC)

Connecticut contractor license types

New Home Construction Contractor (NHCC)

Scope: Build or offer to build new one- or two-family dwellings in Connecticut.

Testing: Requires NHCC registration, $480,000 consumer guaranty fund disclosure, and passing the PSI Business & Law-style exam covering CT statutes and contracts.

Home Improvement Contractor (HIC)

Scope: Remodeling, repair, and renovation work on existing residential property.

Testing: Registration with written contract requirements—no exam, but compliance questions still appear on DCP audits.

S (HVAC) / P (Plumbing) / E (Electrical) Trades

Scope: Licensed occupational trades regulated by DCP.

Testing: PSI exams referencing the 2021 Connecticut State Building Code, 2020 NEC, IPC/IMC, and state statutes.

Many CT licenses require documented apprenticeship hours plus proof of registration with the Department of Labor. Keep logbooks and employer letters ready for audits.

What's on the Connecticut contractor exam

PSI runs centers in Milford, West Hartford, and Norwalk with additional seats in Massachusetts and New York for border candidates. Arrive early with two IDs and your DCP eligibility letter.

What Connecticut exam questions emphasize

  • Consumer protection: change-order language, cancellation rights, and guaranty fund rules.
  • Flood-resistant construction for FEMA AE/V zones and hurricane straps within coastal setbacks.
  • Ice dam mitigation—air sealing, venting, and self-adhered underlayment detailing.
  • State-specific tax registration (DRS) and workers' compensation requirements.

Exam-day logistics

  • Most PSI exams are closed book; only code editions listed in the bulletin may be referenced when allowed.
  • Late cancellations (inside 48 hours) forfeit the fee—plan around winter storms.
  • PSI emails score reports immediately; keep them for DCP when you request your credential.

Trade-specific exam guides

If you're licensing in a single trade rather than the Connecticut general contractor classification, the dedicated trade hub will get you to the right code book and exam structure faster.

Connecticut code books & approved references (2026)

Always confirm the exact editions and tab rules in your candidate bulletin before exam day. Editions can change between license cycles.

  • 2022 Connecticut State Building Code (based on 2021 IBC/IRC with CT amendments).
  • 2020 National Electrical Code and 2021 International Mechanical/Plumbing Codes.
  • Connecticut General Statutes §§20-417 to 20-429 for new home and home improvement laws.
  • OSHA 29 CFR 1926 Subpart M for fall protection on steep roofs.
  • CT DEEP Stormwater and erosion control manual sections referenced on sitework questions.

Fees & timeline for the Connecticut contractor license

  • Registration fees for NHCC and HIC licenses are set by DCP—review the latest renewal notice before mailing checks.
  • Trade license applications require separate exam, initial license, and guaranty fund payments.
  • PSI collects testing fees online during scheduling; reschedules made inside 48 hours lose the original payment.
  • Municipal building permits still require proof of state license numbers on the application.
  • Some towns require additional bonding for right-of-way work—budget those costs on top of DCP fees.

Use the All States hub to benchmark regional costs, but always defer to DCP fee tables before issuing contracts.

Connecticut Business & Law focus

Connecticut's Business & Law-style content leans on CGS §20-417 (new home) and –20-429 (home improvement) plus sales tax, workers' comp, and lien law. Even tradespeople get quizzed on contracts and permits.

  • Use written contracts with the three-day cancellation notice language mandated by CGS §42-135a.
  • Register with the Department of Revenue Services before collecting deposits on residential jobs.
  • Know the guaranty fund caps ($25,000 per claim) and how misconduct triggers payouts.
  • Maintain proof of general liability insurance and workers' compensation or valid waivers.

NASCLA acceptance in Connecticut

Connecticut does not participate in NASCLA reciprocity. Every applicant must follow DCP's licensing track and, when required, pass the PSI exam tied to the classification.

A focused 4-week study plan for the Connecticut exam

Because coastal counties battle FEMA V-zone waves and salt spray, while inland hills face ice dams, freeze—thaw heave, and dense hardwood forests that fuel wind debris, this four-week outline targets what Connecticut field inspectors and your licensing board exam items actually test—not generic national prep.

  1. Week 1 — Map the exam. Pull your current candidate bulletin, list every reference, and confirm the modules you have to pass. Start a one-page error log. Spend extra time on: Consumer protection: change-order language, cancellation rights, and guaranty fund rules..
  2. Week 2 — Code book navigation. Drill open-book lookups (or memorisation drills if your module is closed-book) until you can find any answer in under 60 seconds. Anchor practice around: Flood-resistant construction for FEMA AE/V zones and hurricane straps within coastal setbacks..
  3. Week 3 — Business & Law. Connecticut's Business & Law-style content leans on CGS §20-417 (new home) and –20-429 (home improvement) plus sales tax, workers' comp, and lien law. Even tradespeople get quizzed on contracts and permits. Layer in scenario-based questions on contracts, lien notice, payroll, and insurance.
  4. Week 4 — Full simulations. PSI runs centers in Milford, West Hartford, and Norwalk with additional seats in Massachusetts and New York for border candidates. Arrive early with two IDs and your DCP eligibility letter. Run two full-length timed simulations. Review every miss with a one-sentence rule statement.

FAQs - Connecticut contractor exam

Who licenses contractors in Connecticut?

The Department of Consumer Protection regulates home improvement, new home, and occupational trades statewide.

Do I need both NHCC and HIC?

If you build brand-new homes you need NHCC; if you remodel existing homes you need HIC. Many builders hold both to cover every scope.

Are exams open book?

Most PSI exams are closed book, but some trade sections allow specific code books listed in the bulletin.

What contracts are required?

Written contracts with specific cancellation language, start/finish dates, and guaranty fund disclosures are mandatory for residential work.

Does Connecticut accept NASCLA?

No. DCP still requires its own exams and registrations regardless of NASCLA status.

How long are licenses valid?

Most trade licenses renew annually; HIC registrations renew every year by the anniversary date, and NHCC renews every two years.

Start your Connecticut contractor exam prep today

Use a realistic, Connecticut-focused simulator to build timing, confidence, and repeatable passing habits.