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Contractor License Requirements: How to Find Yours
Contractor license requirements vary by state and trade. Learn how to find yours, what boards usually ask for and how to stay compliant in the US.
"Do I need a license for this?" is one of the most common questions new contractors and handymen ask, and one of the hardest to answer in one sentence. In the US there's no single national contractor license. Requirements are set by states, and often by counties and cities too, and they depend on your trade, the size of the job and whether permits are involved.
This guide explains how contractor licensing generally works in the US, the different kinds of licenses and registrations you may run into, and a step-by-step way to find out exactly what applies to you. It's general information, not legal advice; always confirm with your state and local agencies.
Why licensing matters
- It's often the law. Working without a required license can bring fines and, in some states, criminal penalties.
- It can affect whether you get paid. In some states, unlicensed contractors may be limited in their ability to enforce payment or file liens for work that required a license.
- Customers check. Many homeowners look up a contractor's license before hiring, and commercial customers usually require it.
- Permits often require it. Building departments commonly issue permits only to appropriately licensed contractors (or to owners doing their own work).
The types of licenses and registrations
Depending on where you work and what you do, you may need one or more of these:
| Type | Who issues it | What it's for |
|---|---|---|
| Trade license (plumbing, electrical, HVAC) | Usually a state board, sometimes local | Shows you're qualified in a specific trade; often has apprentice, journeyman and master levels |
| Contractor license (general or specialty) | State licensing board in many states; local in others | Lets you contract for construction or improvement work |
| Home improvement registration | Some states and localities | Required for residential remodeling and repair work in certain areas |
| General business license | City or county | Lets you operate a business in that jurisdiction |
| Specialty certifications | Federal or state agencies | For example, EPA certification for refrigerant handling or lead-safe renovation work in older homes |
The SBA notes that construction and plumbing are among the activities commonly regulated at the state and local level, and that you'll need to research your own state, county and city rules (SBA: Apply for licenses and permits).
How requirements vary: two examples
California
California requires a license from the Contractors State License Board (CSLB) for construction work if the project requires a building permit, uses any additional workers, or totals $1,000 or more in labor and materials. Since January 1, 2025, unlicensed people may do small jobs under $1,000 only if no permit is needed and they don't employ anyone, and they can't split a larger job into smaller contracts to stay under the limit (CSLB; CSLB press release on AB 2622). Unlicensed people advertising small jobs must state in their ads that they aren't licensed. California also requires licensed contractors to show their license number on contracts, bids and advertising.
Texas
Texas licenses certain trades at the state level: plumbers through the Texas State Board of Plumbing Examiners, and electricians and air conditioning and refrigeration contractors through the Texas Department of Licensing and Regulation (TDLR: Electricians; TDLR: A/C and refrigeration). Requirements for other kinds of contractor work may be set locally, so cities and counties can matter a great deal.
Two states, two very different systems. That's why you can't rely on what a friend in another state told you.
Step-by-step: how to find your requirements
- Identify your trade and the work you'll do. "Handyman" can mean anything from hanging pictures to replacing a water heater. The specific tasks determine which licenses apply.
- Check your state licensing board. Search for "[your state] contractor licensing board" and "[your state] [trade] license." Look for minimum job amounts, exemptions and what work requires a license.
- Check your county and city. Many local governments require a business license, contractor registration or local trade license. Your city's building department can tell you what it needs to issue permits.
- Check for specialty certifications. If you handle refrigerants, work on homes built before 1978 or deal with asbestos or mold, federal or state certifications may apply.
- Look at insurance and bond requirements. Many licenses require proof of insurance or a surety bond.
- Plan for every place you work. If you cross county or state lines, you may need licenses in each jurisdiction.
- Write down renewal dates. Licenses expire, and many require continuing education to renew.
Questions to ask your licensing board or building department
When you call or email, have a short list ready so you get clear answers:
- What work, specifically, requires a license in my trade?
- Is there a dollar threshold below which a license isn't required, and does it include materials?
- Does hiring a helper change what I need?
- Do I need a separate license or registration to work in this city or county?
- What insurance or bond do you require, and in what amounts?
- How often does the license renew, and is continuing education required?
Write down the date, the person you spoke with and their answers.
Typical steps to get licensed
The process differs by state and trade, but often includes:
- Documented work experience (for example, years as an apprentice or journeyman)
- Passing a trade exam and, in many states, a business and law exam
- Proof of insurance and, where required, a bond
- Background check
- Application and license fees
Start early. Gathering experience records and scheduling exams can take weeks or months.
Common licensing mistakes
- Assuming a handyman exemption covers work that actually requires a trade license, like electrical or plumbing work
- Splitting a job into smaller contracts to stay under a dollar limit (expressly prohibited in some states, including California)
- Letting a license lapse, then continuing to work
- Hiring a helper without checking whether that changes your license requirements
- Advertising as "licensed" when you're not, or for work outside your license classification
Put your license number to work
Once you're licensed, show it. Put your license number on your truck, website, quotes and invoices, especially where your state requires it on contracts, bids or ads. It reassures customers and sets you apart from unlicensed competitors.
In SnipInvoice, your business profile can include your license number, tax ID and logo, and those details are printed on every quote and invoice as they were on the day each document was created. Moving offices or renewing later doesn't rewrite old PDFs.
FAQ
Is there a national contractor license in the US?
No. Contractor licensing is handled by states and local governments, and requirements vary widely by trade and location.
Do handymen need a license?
It depends on your state, the type of work and the size of the job. Some states exempt small jobs under a dollar threshold, but trade work like electrical, plumbing or HVAC usually requires a license regardless. California's minor-work exemption, for example, is under $1,000, with no permit and no employees.
How do I check whether a contractor is licensed?
Most state licensing boards have an online license lookup. Search for your state's contractor or trade licensing board and use its verification tool.
Do I need a separate business license?
Often, yes. Many cities and counties require a general business license or registration in addition to any state contractor or trade license.
Put your license on every quote and invoice, automatically. SnipInvoice is launching soon on iOS and Android. See how it works.