Trade and contractor licensing by state
License requirements for electricians, HVAC technicians, plumbers and contractors, state by state. Every requirement links the official licensing board page it came from and shows the date we last checked it. Where a trade is licensed by cities or counties instead of the state, the page says so.
Licensing, liens and insurance
- ElectricianElectrician license requirements compared for Texas, Florida, California, North Carolina and Georgia: who licenses, hours, exams and CE, with board links.
- CaliforniaCalifornia electrician certification (DIR) and C-10 contractor license (CSLB): hours by category, exam fees, 32-hour CE renewal and bonds, with sources.
- CaliforniaHow to get a California contractor license from CSLB: classifications (A, B, B-2, C), four years of experience, two exams, fees, bonds and the $1,000 rule.
- CaliforniaCalifornia plumbing licensing: why journeymen don't hold a state license, the CSLB C-36 contractor license, four-year experience rule, exam, fees and bond.
- FloridaFlorida plumbing licensing: CILB certified plumbing contractor experience, the paper isometric exam in Orlando, CE, insurance and local journeyman cards.
- North CarolinaNorth Carolina plumbing licenses: Class I and II contractor, restricted limited plumbing, fuel piping and technician licenses, hours, PSI exam and fees.
- TexasTexas plumbing licenses from apprentice to Responsible Master Plumber: TSBPE hours, training courses, exam and license fees, CE and insurance, linked.
- GeorgiaGeorgia electrical contractor licensing: Class I vs Class II, age 21, experience rules, 70% exam, 4 hours of yearly CE and the 2026 SB 553 changes.
- North CarolinaNorth Carolina electrical licensing by NCBEEC: Limited, Intermediate and Unlimited classes, project limits, experience hours, open-book PSI exam and CE.
- FloridaFlorida electrician licensing: certified vs registered electrical contractors, ECLB experience, exam, fees and CE, and local journeyman cards.
- TexasTexas electrician license tiers from apprentice to contractor: TDLR hours, exams, fees, CE and insurance, each linked to the official TDLR page.
- CaliforniaCalifornia HVAC licensing: the CSLB C-20 contractor license, experience, closed-book exam, fees, mandatory workers' comp, heat pump rules and EPA 608.
- FloridaFlorida HVAC licensing: Class A, B and C air conditioning and mechanical contractors, CILB experience, exams, fees, CE and local journeyman rules.
- North CarolinaNorth Carolina HVAC licensing: Heating Group 1, 2 and 3 contractor licenses, the 15-ton line, Class I vs II, 4,000 hours, PSI exam and yearly renewal.
- TexasTexas HVAC licensing from technician registration to Class A and B ACR contractor: TDLR experience, fees, insurance and CE, each linked to TDLR.
- HVACHVAC license requirements compared for Texas, Florida, California and North Carolina: who licenses, size limits, experience and CE, with board links.
- PlumbingPlumbing license requirements compared for Texas, Florida, California and North Carolina: journeyman rules, contractor licenses, hours, exams and CE.
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