Contractor licensing, state by state.
Contractor licensing is run by the states, and almost nothing about it carries across a border. Which work is covered, what the application asks for, which body issues the license and how long it takes to arrive are all set locally. Some trades are licensed at city or county level as well. Pick your state and start from what it actually requires.
Four things that change with your state.
The work is the same in every state. The paperwork around it is not, and four questions decide whether you need a license at all and how long it takes to hold one.
When the requirement starts
Each state decides for itself which trades are covered and which work falls inside the definition, so a job that needs a license on one side of a border may not on the other. This is the question every state page opens with, because everything else depends on the answer.
What the application asks
The requirements behind an application are set by the licensing body, and they are not standard across states. What one board wants to see before it issues, another does not ask for at all. The state page lists what yours requires before you start assembling anything.
The board sets the clock
Processing time belongs to the body reviewing the file, which means it varies as widely as everything else here. It is worth knowing before work is scheduled, because the license has to exist before it can be relied on, and a board's queue is not negotiable.
The body that issues it
Every state runs its own licensing authority under its own name, with its own portal and its own contact route. Knowing which body holds your file matters more than it sounds: it decides where the application goes, who answers questions and where renewals are handled.
The trade travels. The license does not.
Pick your state.
Each state page covers when a contractor needs a license there, what the application requires, how long the process runs, which mistakes come up most often locally, and how to reach the body that issues it. Start with the state the work is in.
A clean handoff, in four steps.
The order is straightforward, and it does not change. Confirm the requirement, assemble what the board asks for, file it, then keep the license current once it has been issued.
Check the requirement
We start with the work you actually do and the state you do it in, and confirm whether it falls inside that state's definition of licensed contracting before anything else is prepared.
Gather what the board wants
Each licensing body has its own list of what an application must contain. We work from that list rather than a generic one, so the file that goes in is the file that state expects.
Submit to the board
The application goes to the body that issues in your state, through the route it uses, and we keep the acknowledgment and track the file while it is under review.
Keep it current
A license lapses quietly, and it is usually noticed by someone else. The renewal date joins the other deadlines the business carries, on one calendar, rather than living in an inbox.
Getting licensed is a project. Staying licensed is a calendar.
The rest of Licenses & permits.
Every one of these is built the same way: a national explainer above its state pages. They are the filings that sit closest to this one.
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All 51 states →The full index lives on Licenses & permits.
The questions people ask before they file.
Does every state license contractors?
Contractor licensing is a state-level system, and each state defines for itself which trades and which kinds of work it covers. That means the real question is never whether a state has a program but whether your particular work sits inside it. Local governments can add requirements of their own on top, so a trade that is not licensed at state level can still need a county or city approval before the work starts.
Does my license work in another state?
A license is issued under one state's rules and by one state's board, so it is granted for work in that state. Whether another state will take it into account when you apply there is a question for that second state's licensing authority, and the answer differs. If the work crosses a border, treat the other state as a separate application and start from its own requirements rather than assuming continuity.
How long does the process take?
The timeline belongs to the licensing body, not to the applicant, and it is not the same in two states. The part you control is the completeness of the file: an application that arrives missing something the board asked for goes to the back of a queue rather than into review. That is why the state pages set out the requirements and the timeline together.
Do I need a business license as well?
They are separate layers and one does not replace the other. Contractor licensing is about the trade and comes from the body that regulates it. General business licensing is about operating at all and comes from the state, county or city, and contracting appears on most lists of regulated industries for exactly that reason. Most contracting businesses end up carrying both, issued by bodies that do not coordinate.
What goes wrong most often?
The mistakes are local, which is why each state page carries its own list rather than a general one. The pattern behind them is usually the same though: an assumption carried over from another state, a definition of covered work that turned out to be broader or narrower than expected, or a renewal that passed while everyone was busy. None of them are complicated once the state's own rules are in front of you.
Who do I contact about my application?
The board that issues the license in your state, which is also the body that holds the file, answers questions about it and handles renewals. Its name is different in every state, and so is the route in. Each state page names the issuing body and gives the contact details for it, so the question goes to the office that can actually answer rather than to a general state switchboard.
Keep going, in order.
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