Garage door contractor licensing by state
Only two states name garage doors specifically: California licenses the work under C-61/D-28, and Florida certifies a Garage Door Installation Specialty Contractor. Everywhere else the work falls under a general or home improvement contractor licence, usually above a dollar threshold, or under no state licence at all. The threshold is what decides it, and it ranges from $600 in Michigan to $40,000 in North Carolina.
What each state actually requires
This table is built the slow way. Every row was read off the licensing board's own site, and the date it was read is printed next to it. The "licensing by state" pages that dominate this search disagree with each other and, more often, with the boards — so none of them are used here as a source.
| State | What state law requires | Regulator and source |
|---|---|---|
| California | Garage door work needs a C-61/D-28 (Doors, Gates and Activating Devices) licence, or a B General Building licence. D-28 covers installing, modifying or repairing “all types of residential, commercial or industrial doors including overhead or sliding door assemblies.” |
Contractors State License Board (CSLB) · verify a licence CSLB — Description of Classifications — retrieved 2026-08-19 |
| Florida | Florida certifies a Garage Door Installation Specialty Contractor and runs a dedicated trade exam for it. | DBPR — Construction Industry Licensing Board · verify a licence DBPR — Garage Door Installation Specialty Contractors exam content — retrieved 2026-08-19 |
| Texas | No state licence. TDLR does not regulate garage door, overhead door, general or home improvement contractors. City rules may still apply. | Texas Dept. of Licensing and Regulation (TDLR) TDLR — list of licensed programs — retrieved 2026-08-19 |
| Arizona | A licence is required if the job costs more than $1,000 including labour and materials, or if it needs a permit. An unlicensed business must carry the exact phrase “Not a Licensed Contractor” in its advertising. |
Arizona Registrar of Contractors (ROC) AZ ROC — Before You Hire a Contractor — retrieved 2026-08-19 |
| Nevada | A contractor licence is required for construction work. A handyman exemption exists for small repairs but does not apply where a permit is required. The Board’s exemption page and its 2024 handbook state different dollar thresholds, so no figure is given here. Ask the Board. |
Nevada State Contractors Board · verify a licence Nevada State Contractors Board — Handyman Exemptions — retrieved 2026-08-19 |
| Washington | All construction contractors must register with L&I, hold a surety bond and carry liability insurance. | Dept. of Labor & Industries (L&I) · verify a licence L&I — Register as a Contractor — retrieved 2026-08-19 |
| Virginia | A contractor licence is required for work valued over $1,000. Which class (A, B or C) depends on project value. | DPOR — Board for Contractors · verify a licence DPOR — Contractor consumer information sheet — retrieved 2026-08-19 |
| Maryland | Only an MHIC-licensed contractor may contract with a homeowner for home improvement work. | Maryland Home Improvement Commission (MHIC) · verify a licence MHIC — licensing overview — retrieved 2026-08-19 |
| North Carolina | A general contractor licence is required for projects valued at $40,000 or more. | NC Licensing Board for General Contractors · verify a licence NCLBGC — licensing threshold — retrieved 2026-08-19 |
| Pennsylvania | Registration — not a licence — with the Attorney General is required for anyone doing $5,000 or more of home improvement work in a calendar year. Registration proves the contractor filed paperwork and carries insurance. It is not a skills test. |
PA Office of Attorney General — HIC Registration · verify a licence PA OAG — Home Improvement Contractor FAQ — retrieved 2026-08-19 |
| Georgia | Specialty contractors working inside their own trade are exempt from the residential/general contractor licence (O.C.G.A. §43-41-17). | State Licensing Board for Residential and General Contractors Georgia SOS — Traditional Specialty Contractors policy statements — retrieved 2026-08-19 |
| Michigan | Work totalling $600 or more in labour and materials requires a Residential Builder or a Maintenance & Alteration Contractor licence. | LARA — Bureau of Construction Codes LARA — Maintenance & Alteration Contractor licence information — retrieved 2026-08-19 |
| Ohio | The state licences only electrical, HVAC, plumbing, hydronics and refrigeration contractors. Garage door work is not a state-licensed trade. | Ohio Construction Industry Licensing Board (OCILB) · verify a licence Ohio Revised Code §4740.01 — definition of a licensed trade — retrieved 2026-08-19 |
| New Jersey | All home improvement contractors must register with the Division of Consumer Affairs and display an NJHIC# number. | NJ Division of Consumer Affairs · verify a licence NJ Division of Consumer Affairs — Home Improvement Contractors — retrieved 2026-08-19 |
| Tennessee | A contractor licence is required at $25,000 and above. A Home Improvement licence covers $3,000–$24,999, but only in nine named counties. The nine counties are Bradley, Davidson, Hamilton, Haywood, Knox, Marion, Robertson, Rutherford and Shelby. |
TN Board for Licensing Contractors TN Board for Licensing Contractors — Home Improvement licence — retrieved 2026-08-19 |
| Illinois | IDFPR licences roofing and plumbing contractors. It does not issue a general or home improvement contractor licence — city rules apply instead. | Illinois Dept. of Financial and Professional Regulation (IDFPR) · verify a licence IDFPR — Roofing Contractor licensing — retrieved 2026-08-19 |
| Massachusetts | Work on an existing owner-occupied home of one to four units requires Home Improvement Contractor registration. Structural work also needs a Construction Supervisor Licence. | Office of Consumer Affairs and Business Regulation Mass.gov — Home Improvement Contractor registration — retrieved 2026-08-19 |
| Wisconsin | A Dwelling Contractor certification is needed to pull a building permit on a one- or two-family dwelling. | Dept. of Safety and Professional Services (DSPS) Wis. Admin. Code SPS 305.315 — retrieved 2026-08-19 |
| Minnesota | A residential building contractor licence is required from anyone offering work in two or more special skill areas. Single-trade specialists are exempt, roofers aside. A garage door company that also does openers and framing is usually in two skill areas, so the exemption often does not apply. |
Dept. of Labor and Industry (DLI) Minnesota DLI — Who needs a licence? — retrieved 2026-08-19 |
| South Carolina | Residential specialty contractor registration is required for work over $500 that is not covered by another licence. | SC Residential Builders Commission (LLR) · verify a licence SC LLR — Residential Specialty Contractor Registration — retrieved 2026-08-19 |
The states missing from that table
The table has 20 of 51 jurisdictions. That is not an oversight to be quietly padded out. A wrong licensing claim sends someone to hire a contractor who cannot legally do the work, or tells them to skip a check their state actually requires, so a state is listed only once its board has been read directly.
We have not verified these 31 states yet, so they are not in the table above: Alabama, Alaska, Arkansas, Colorado, Connecticut, Delaware, District of Columbia, Hawaii, Idaho, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Mexico, New York, North Dakota, Oklahoma, Oregon, Rhode Island, South Dakota, Utah, Vermont, West Virginia, Wyoming.
If you are in one of those, go to your state's contractor licensing board or your city building department and ask directly. That is the same thing we will do before adding the row.
What a licence proves, and what it does not
A contractor licence means the holder met a state's bar for paperwork: an exam in some states, proof of experience, a surety bond, liability insurance, sometimes a credit check. In Pennsylvania it is explicitly a registration rather than a licence, and the Attorney General's own guidance is clear that it is not a skills test.
None of that is a safety credential. No state exam we found tests whether the holder understands how much energy a wound torsion spring stores. A licence gives you recourse — a bond to claim against, a board to complain to, an insurer if something is damaged. Recourse matters. It is not the same as competence, and a page that tells you a licence number makes spring work a safe purchase is selling you something.
Why this question matters more for springs than for sensors
Most garage door jobs are low-stakes. If a photo eye gets aligned badly or a remote is programmed wrong, the cost of a mistake is an afternoon. The counterbalance system is different, and it is the reason we publish this table at all.
Under 16 CFR 1211.16(b) the federal government dictates the exact words every opener manual must carry, and one of them is: “Have a qualified service person make repairs to cables, spring assemblies and other hardware.” That sentence is in the manual that shipped with your opener. It does not say a licensed person. It says a qualified one — and in the 31 states above, no state licence exists to tell you which is which.
So on spring, cable, drum and bottom-bracket work, the licence check is the floor rather than the ceiling. Ask what else the company carries: manufacturer training, an IDEA certification, years doing this specific work, and whether the technician replacing one spring will replace both.
Checking a licence takes about a minute
Where a state runs a public lookup, it is linked in the table. Search by the company name or the licence number on the estimate, and check three things: that the licence is active rather than expired or suspended, that the name on it matches the name on your paperwork, and that the classification covers the work. A licence in a trade that has nothing to do with doors is not coverage.
Two details catch people out. A licence held by a parent company does not automatically cover a franchisee operating under a different name. And in states where a bond is required, the bond amount is usually far smaller than a full door replacement — Washington sets $30,000 for general and $15,000 for specialty contractors — so it is a partial backstop rather than a guarantee.
If your state does not license this work
Texas, Ohio and Illinois have no state licence covering garage door work, and several of the unverified states will turn out the same way. That is not a warning sign about the trade; it is a gap you fill with other checks.
Ask for a certificate of insurance sent directly from the insurer rather than forwarded by the contractor. Confirm the company pulls a permit where your city requires one for opener or structural work, since the permit puts a building inspector on the job. Get the estimate in writing with part numbers on it, because on springs the specification is the price. And check whether your city or county licenses contractors even though the state does not — many do.
Corrections
Licensing rules change, thresholds get raised, and boards reorganise. Every row above carries the date it was read so you can judge how stale it might be. If you find a row that no longer matches what the board says, we would rather hear about it than have it sit here being wrong.
Jurisdiction notice. Requirements are state law and change without notice. This page is not legal advice. Verify with the board linked in your row before relying on it, and check your city and county separately — local licensing can apply even where state licensing does not.
How does a garage door actually hold its own weight?
A garage door is not lifted by the opener. It is lifted by the spring, and the opener only guides it. That distinction explains almost everything else on this page.
A residential door weighs between 85 and 400 pounds depending on size and material. The counterbalance system — springs, cables, drums and bottom brackets — stores the energy needed to raise that weight and gives it back on the way up. With the counterbalance set correctly the door stays put when released halfway, and the opener only has to overcome friction.
This is why an unbalanced door destroys openers: the motor ends up lifting a load it was never sized for. And it is why springs and cables are professional work while sensors and remotes are not — one group holds that stored energy and the other does not.
The test is available to anyone. Disconnect the opener with the red release, lift the door halfway by hand, and let go. If it stays where you left it, the counterbalance is right. If it drifts down or shoots up, it is not, and CPSC says a door in that state should be serviced by a professional.
What order should I check things in?
Cheapest and safest first, because that order also happens to be the most likely. Start with the remote battery, then the wall button, then whether the opener has power at the outlet — a tripped GFCI accounts for more "dead openers" than any component failure.
Next check the photo eyes, because a blocked beam does not merely interrupt one cycle. Federal rules require secondary entrapment protection to prevent the opener closing an open door at all while the beam is broken, so a filmed-over lens presents as a completely dead door in the closing direction.
Only then test the door itself. Pull the red release with the door closed and lift by hand. If it moves freely, you have an opener or control problem. If it is very heavy, you have a counterbalance problem, and that is where the DIY path ends.
The federally required text in your own manual draws the same line: it directs cable and spring repairs to a qualified service person, and it says never to go under a stopped, partially open door.
What does federal law actually require here?
More than most people assume, and in writing. Every residential opener manufactured on or after January 1, 1993 for US sale must meet 16 CFR 1211, which incorporates the entrapment protection provisions of UL 325.
Three concrete requirements matter to a homeowner. A downward-moving door must begin reversing within 2 seconds of hitting an obstruction and return to the fully open position. There must be a second, independent protection system — a photo eye, an edge sensor, or an equivalent device — which must also prevent the opener closing an open door. And the manual release handle must be red, reachable at 6 feet, and release under no more than 50 pounds of pull.
The part almost nobody cites is §1211.16(b), which specifies the exact words the manufacturer must print in your manual. Among them: “Have a qualified service person make repairs to cables, spring assemblies and other hardware.” That is why this page's verdict on springs and cables is not our opinion.
What UL 325 and 16 CFR 1211 require covers the full standard.
What is the one-minute test everyone should be doing?
The reversal test, monthly. This is not our advice — it is the text federal law requires the manufacturer to print in your opener's manual.
“Test door opener monthly. The garage door MUST reverse on contact with a 1½ inch object (or a 2 by 4 board laid flat) on the floor.”
Lay it flat on the floor in the door's path and close the door. It must reverse on contact. If it does not, stop using the opener until it is adjusted per the manual, repaired, or replaced.
It matters because this system fails silently. A door whose reversal has stopped working looks and sounds exactly like one that still does, right up until something is underneath it. CPSC reports about 73 children aged 2 to 14 trapped and killed under automatic garage doors since March 1982 — roughly 3 a year — and that record is why the standard exists.
CPSC also recommends inspecting the door and opener every 30 days. Children, pets and the garage door covers the rest.
At what point should I stop and call someone?
There are four signals, and any one of them on its own is enough to stop.
- The door is very heavy by hand with the opener disconnected. The counterbalance has failed, and nothing but you is holding the door.
- You can see a gap in the spring coil, or a cable that is frayed, slack, or off its drum.
- The door sits crooked, higher on one side, or has come off its track. It is still under full tension and can move suddenly.
- The door does not reverse on the board test. The entrapment protection is not working.
None of those is calling too early. They are precisely the cases where the federally required manual text directs the work to a qualified service person, and where the cost of being wrong is not a broken part.
The rule worth teaching at home comes from that same federal text, in capitals: “NEVER GO UNDER A STOPPED PARTIALLY OPEN DOOR.”
Questions that come up next
Does a door that reverses mean something is broken?
No — the opposite. A door that stops and goes back up when it touches something is the entrapment protection doing exactly what 16 CFR 1211 requires. The fault worth investigating is a door that fails to reverse.
Can I disable the photo eyes to get the door closed?
No. That removes the external entrapment protection required since 1993, and it is the protection that exists because of the CPSC child fatality record. If a sensor is genuinely faulty, replace it — it is among the cheapest parts on the door.
Is it safe to use the emergency release with the door open?
The federally required manual text says to use it only when the door is closed wherever possible, because weak or broken springs may allow the door to fall rapidly. A great deal of DIY content advises the opposite.
Should I replace one spring or both?
If the door has two, quote both. The second is the same age and has taken the same number of cycles, so it is next. This is one of the few upsells in the trade that is genuinely honest.
Sources
- 16 CFR 1211.16 — required installation and user instructions (81 FR 20231) — US CPSC via Federal RegisterTier 1 accessed