License Requirements in Connecticut
Browse all 79 trade and professional licenses in Connecticut (CT). 70 require a state-level license.
Last updated 2026-05-08
By the numbers: 70 of 79 trades require a state-level license from a Connecticut Department, Board, or licensing Authority. Renewal periods, Continuing Education Hours, and Application Fees vary by trade — see each trade page for the specifics.
| Trade | License Required | Median Salary |
|---|
| 🚨Alarm Installer |
Required |
$56,200 |
| 📏Architect |
Required |
$107,306 |
| ⚠️Asbestos Abatement Worker |
Required |
$55,280 |
| 🔨Auctioneer |
Not Required |
$41,204 |
| 🔗Bail Bondsman |
Required |
$48,690 |
| 💈Barber |
Required |
$39,890 |
| ♨️Boiler Operator |
Required |
$71,530 |
| 🚛CDL Driver |
Required |
$57,890 |
| 📊CPA |
Required |
$88,900 |
| 🏠Chimney Sweep |
Required |
$49,081 |
| ✈️Commercial Pilot |
Required |
$154,824 |
| ✂️Cosmetologist |
Required |
$38,900 |
| ⚖️Court Reporter |
Required |
$73,094 |
| 🏗️Crane Operator |
Required |
$69,356 |
| 💥Demolition Contractor |
Required |
$71,760 |
| 🦷Dental Hygienist |
Required |
$86,340 |
| 🚰Drinking Water Operator |
Required |
$61,432 |
| 🚑EMT / Paramedic |
Required |
$47,023 |
| ⚡Electrician |
Required |
$67,800 |
| 🛗Elevator Mechanic |
Required |
$117,782 |
| 🌍Environmental Scientist |
Required |
$90,827 |
| 🧴Esthetician |
Not Required |
$44,643 |
| 🧯Fire Sprinkler Fitter |
Required |
$73,439 |
| ⚱️Funeral Director |
Required |
$75,302 |
| 🏗️General Contractor |
Required |
$82,340 |
| 🪨Geologist |
Not Required |
$97,312 |
| 🪟Glazier |
Required |
$55,579 |
| ❄️HVAC Technician |
Required |
$59,120 |
| 👂Hearing Aid Specialist |
Required |
$67,470 |
| 🔍Home Inspector |
Required |
$68,900 |
| 🧱Insulation Worker |
Required |
$56,522 |
| 📋Insurance Agent |
Required |
$68,900 |
| 🗣️Interpreter |
Not Required |
$65,653 |
| 🗺️Land Surveyor |
Required |
$78,855 |
| 🌿Landscape Contractor |
Required |
$64,192 |
| 🛡️Lead Abatement Worker |
Required |
$53,141 |
| 💉Licensed Practical Nurse |
Required |
$68,689 |
| 🔐Locksmith |
Required |
$52,336 |
| 💆Massage Therapist |
Required |
$57,338 |
| 🦠Mold Remediation |
Required |
$53,486 |
| 🏦Mortgage Loan Originator |
Required |
$78,729 |
| 💅Nail Technician |
Not Required |
$38,985 |
| 📜Notary Public |
Required |
— |
| 👓Optician |
Required |
$50,887 |
| 🐛Pest Control Operator |
Required |
$44,670 |
| 🧪Pesticide Applicator |
Required |
$46,184 |
| 💊Pharmacy Technician |
Required |
$46,345 |
| 🏃Physical Therapy Assistant |
Required |
$73,692 |
| 🔩Pipefitter |
Required |
$72,634 |
| 🔧Plumber |
Required |
$66,340 |
| 📊Polygraph Examiner |
Not Required |
$78,338 |
| 🏊Pool Contractor |
Required |
$67,091 |
| 🕵️Private Investigator |
Required |
$68,022 |
| 📨Process Server |
Not Required |
$44,470 |
| ⚙️Professional Engineer |
Required |
$115,735 |
| 📡Radiologic Technologist |
Required |
$84,421 |
| ☢️Radon Mitigation |
Required |
$57,637 |
| 🏠Real Estate Agent |
Required |
$62,340 |
| 📐Real Estate Appraiser |
Required |
$70,541 |
| 🩺Registered Nurse |
Required |
$88,340 |
| 🫁Respiratory Therapist |
Required |
$89,654 |
| 🏘️Roofing Contractor |
Required |
$52,890 |
| 🚌School Bus Driver |
Required |
$46,839 |
| 🎓School Counselor |
Required |
$70,966 |
| 🛡️Security Guard |
Required |
$40,917 |
| 🚽Septic System Installer |
Required |
$56,257 |
| 🔨Sheet Metal Worker |
Required |
$67,758 |
| 🔎Skip Tracer |
Not Required |
$48,943 |
| 🤝Social Worker |
Required |
$67,137 |
| ☀️Solar Installer |
Required |
$54,820 |
| 💪Substance Abuse Counselor |
Required |
$61,766 |
| 🎨Tattoo Artist |
Required |
$49,196 |
| 📚Teacher |
Required |
$76,356 |
| 🚗Tow Truck Operator |
Required |
$44,183 |
| 🐾Veterinary Technician |
Required |
$50,300 |
| 🏭Wastewater Operator |
Required |
$61,432 |
| 🚰Water Treatment Operator |
Required |
$61,432 |
| 🔥Welder |
Not Required |
$52,890 |
| 💧Well Driller |
Required |
$60,305 |
Common questions about Connecticut licensing
Which trades require a state-level license in Connecticut?
70 of the 79 trades on this page require a Connecticut state license. The remainder are licensed at the local/county level or not at all.
Who issues professional licenses in Connecticut?
Most occupational licenses in Connecticut are issued by the relevant state Department or licensing Board listed on each individual trade page. Renewal periods are typically 1–3 years and most boards require Continuing Education Hours between renewals.
Can I transfer my license from another state to Connecticut?
Reciprocity varies by trade. Connecticut accepts some out-of-state licenses by endorsement after Experience and Exam verification — check the trade-specific page for the exact policy.
Data last verified 2026. Salary data from BLS OEWS. Always verify with the relevant Connecticut licensing board.