Contractor licensing and insurance: where to start

Contractor licensing and insurance requirements are set by states, counties and cities, and they differ by trade, type of work and sometimes job size, so there is no single national answer. The reliable way to get it right is to check four levels in order: your state trade or contractor licensing board, your state business registration office, your city or county building and licensing offices, and an insurance agent who works with contractors. Then confirm everything in writing before you take paid work.

This article does not list each state's rules. Those rules change, and a list copied from the internet is a risky thing to build a business on. Instead, it gives you a method and the questions to ask, so you get current answers from the people who actually enforce them. Nothing here is legal advice. When a decision has real consequences, check with an attorney in your state.

Why is licensing so different from state to state?

In the United States, most occupational licensing is handled by states, and many states let cities and counties add their own requirements. As a result:

One state may license a trade at the state level while a neighboring state leaves it to cities.
Some states license by trade (electrical, plumbing, HVAC), some license general contractors, some register home improvement contractors, and many do a combination.
Some states set dollar thresholds, where jobs under a certain amount don't require a contractor license.
Licenses held in one state usually don't automatically carry over to another, although some states have reciprocity agreements for certain trades.

So "do I need a license?" almost always becomes "which licenses, from whom, for which work?"

What kinds of licenses and registrations might apply?

Think of it as layers. You may need several at once.

Layer	What it is	Who usually issues it	Common for
Individual trade license	Proves you are qualified in a trade	State trade board, sometimes local	Electricians, plumbers, HVAC, sometimes others
Contractor license	Lets a business contract for work	State contractor board, sometimes local	General contractors, remodelers, specialty contractors
Home improvement registration	Registers businesses doing residential work	State consumer protection or licensing agency	Remodelers, handymen, roofers in some states
Specialty certification	Covers a regulated activity	State or federal agency	Pesticide application, refrigerant handling, lead-safe renovation, radon
Business license or registration	Lets you operate in a city, county or state	City, county, or state revenue office	Almost every business
Permits	Approval for specific jobs	City or county building department	Replacements, remodels, new work

A few certifications come from federal rules. Two examples relevant to many home-service businesses: technicians who handle refrigerants generally need EPA Section 608 certification, and many renovation jobs in homes built before 1978 fall under the EPA's lead-safe Renovation, Repair and Painting rule. States can add their own requirements on top.

How do you find the rules for your state, step by step?

Work through these in order and keep notes, including the date, who you spoke with and what they said.

Find your state's licensing board for your trade. Search for your state's name plus "contractor licensing board" or your trade plus "licensing board." The National Association of State Contractors Licensing Agencies (NASCLA) maintains links to state agencies, which can be a helpful starting point.
Read the board's own pages first, then call. Ask whether the work you plan to do requires a license, which type, and what it takes to get one.
Check your state's home improvement or consumer protection rules if you work in homes. Some states have separate registration and contract requirements.
Check specialty rules for anything regulated, such as pesticides, refrigerants, lead paint, radon, backflow testing or asbestos.
Register the business with your state, and ask your state revenue department about sales tax or other registrations that apply to your trade.
Call your city and county. Ask about local business licenses, local contractor registration and which common jobs need permits.
Repeat for every city you plan to work in. Neighboring cities can have different rules.

What questions should you ask the licensing board?

Does the work I plan to do require a license? Which type?
Is there a dollar threshold under which no license is needed? Does it include materials?
What experience, education and exams are required?
Do I need insurance or a bond to get or keep the license? How much?
Can my business operate under someone else's license, such as a qualifying individual?
What continuing education is required for renewal?
Is there reciprocity with other states?
What are the penalties for unlicensed work?

What insurance do contractors usually carry?

Insurance requirements come from three places: your state, the people you work for, and your own sense of risk. Talk to an independent agent who writes policies for contractors in your trade. Common coverage includes:

General liability. Covers injury to others and damage to their property caused by your work. Often required by licensing boards, general contractors and commercial clients.
Commercial auto. Covers vehicles used for work. Personal auto policies often exclude business use.
Workers' compensation. Covers employees' work-related injuries. Most states require it once you have employees, but the threshold and exemptions vary, including for owners.
Tools and equipment (inland marine). Covers your gear on the truck and at job sites.
Professional liability or errors and omissions. Common for inspectors, designers and anyone selling advice or reports.
Umbrella. Extra liability coverage above your other policies.
Bonds. A license or surety bond isn't insurance for you. It's a guarantee to the state or the customer. Some licenses require one.

What should you ask your insurance agent?

Which coverages and limits do contractors in my trade typically carry here?
Does the license I'm applying for require specific coverage?
Are any of my services excluded, such as roof work, chemical use or work above a certain height?
How does coverage work for subcontractors I hire, and what should I require from them?
When do I need workers' compensation, and am I, as the owner, covered or exempt?
How quickly can you issue a certificate of insurance to a client?

What paperwork should you keep, and where?

Once you're licensed and insured, staying that way is a habit.

Keep copies of every license, registration, certificate and policy in one place.
Track expiration and renewal dates for licenses, insurance and continuing education.
Collect certificates of insurance from subcontractors before they start, and track when they expire.
Put your license number wherever your state requires it, which may include your website, quotes, contracts and vehicles.
Recheck the rules yearly or when you add a new service or work in a new city.

What happens if you skip this?

Consequences of unlicensed or uninsured work vary by state, but they can include fines, being unable to enforce payment for your work, and personal liability for damage or injuries. Many customers, property managers and general contractors simply won't hire you without proof. Getting it right is cheaper than fixing it later.

For trade-specific advice, see our guides on starting a plumbing business and a remodeling or general contracting business.

FAQ

Is there one place to look up every state's contractor licensing rules? Not one official national source. NASCLA links to state agencies, but always confirm with the state board and your local offices.

Can I work in another state with my license? Sometimes. Some states have reciprocity agreements for certain trades. Ask both states' boards.

Do I need workers' comp if I have no employees? It depends on the state and your business structure. Ask your agent and your state's workers' compensation agency.

Is a bond the same as insurance? No. A bond guarantees obligations to the state or customers. It doesn't protect your business the way insurance does.

How ServFlo helps

ServFlo won't get you licensed, but it helps you stay organized afterward. On the Grow plan and above, contractors using projects can keep subcontractors' insurance, license and W-9 papers on file with expiry dates, and get a warning when a sub's insurance is missing or expiring. Your customer records keep job history and photos in one place, and quotes and invoices can carry the details your state asks you to show. See pricing for plans.

Photo by Zack Masters on Unsplash.

Contractor licensing and insurance: a state-by-state starting point