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State licensing
Plumber licensing, state by state
34 of 51 states license the individual plumber. In the other 17, the state licenses the contracting business or leaves it to the city — which usually means you can start work sooner, not later.
Licensed by the state 34
You need a card of your own here. If you already hold one elsewhere, reciprocity is the question — open a state to see whose licenses it takes.
AlabamaLicensed by the stateAlaskaLicensed by the stateArkansasLicensed by the stateColoradoLicensed by the stateConnecticutLicensed by the stateDistrict of ColumbiaLicensed by the stateGeorgiaLicensed by the stateHawaiiLicensed by the stateIdahoLicensed by the stateIllinoisLicensed by the stateIndianaLicensed by the stateIowaLicensed by the stateKentuckyLicensed by the stateLouisianaLicensed by the stateMaineLicensed by the stateMarylandLicensed by the stateMassachusettsLicensed by the stateMichiganLicensed by the stateMinnesotaLicensed by the stateMontanaLicensed by the stateNew HampshireLicensed by the stateNew MexicoLicensed by the stateNorth DakotaLicensed by the stateOklahomaLicensed by the stateOregonLicensed by the stateRhode IslandLicensed by the stateSouth DakotaLicensed by the stateTexasLicensed by the stateUtahLicensed by the stateVermontLicensed by the stateVirginiaLicensed by the stateWashingtonLicensed by the stateWest VirginiaLicensed by the stateWisconsinLicensed by the state
Contractors licensed, workers not 8
The state licenses the business, not you. Working for a licensed contractor, you can usually start day one with no card and nothing to transfer.
ArizonaContractors licensed, workers notCaliforniaContractors licensed, workers notDelawareContractors licensed, workers notFloridaContractors licensed, workers notMississippiContractors licensed, workers notNew JerseyContractors licensed, workers notNorth CarolinaContractors licensed, workers notSouth CarolinaContractors licensed, workers not
Licensed locally, not statewide 9
No single statewide answer — the city or county decides. Check the jurisdiction the job is actually in before you travel.
KansasLicensed locally, not statewideMissouriLicensed locally, not statewideNebraskaLicensed locally, not statewideNevadaLicensed locally, not statewideNew YorkLicensed locally, not statewideOhioLicensed locally, not statewidePennsylvaniaLicensed locally, not statewideTennesseeLicensed locally, not statewideWyomingLicensed locally, not statewide