Original research
Garage door contractor licensing, and how to check it
There is no single national licence for garage door work. Some states license it through a contractor board, some regulate it only at municipal level, and some have no requirement at all for repair work below a dollar threshold. Because of that, verifying the specific contractor matters more than knowing the general rule — and it takes about five minutes.
Three regulatory patterns
State contractor board. The state licenses the trade directly and maintains a searchable register. California is the clearest example: the Contractors State License Board issues a D-28 classification covering doors, gates and activated devices, and licensing is required above a low dollar threshold.
Municipal only. The state sets no requirement and cities register contractors individually, so a company can be entirely legitimate in one city and unregistered in the next.
No specific requirement. Some states regulate general contracting but not this trade specifically, which means the meaningful checks become insurance and bonding rather than a licence number.
What to actually verify, in order
The licence number itself, checked on the issuing board's register rather than taken from the company's own website. A number printed on a van is not verification.
General liability insurance, and that it is current. Garage door work happens on your property with a component under significant stored energy — this is the one that matters if something goes wrong.
Workers' compensation, if anyone other than the owner will be on site. Without it, an injury on your property can become your exposure.
A bond, where the state requires one. It is what a homeowner claims against if work is taken and not completed.
Why this trade attracts unlicensed operators
The barriers are low: the tooling is inexpensive, the work is mobile, and demand is urgent and non-comparison-shopped. Someone with a broken spring at 7am is not calling three companies.
The standard pattern is a low advertised price that changes on arrival, combined with an undersized spring that fails inside two or three years. Both are cheaper to supply than the correct job.
The defence is boring and effective: ask for the licence number before booking, check it on the register, and ask for the cost band for the specific repair. A legitimate company answers all three without friction.
Advanced Verification, and why it is a useful signal
Garage door repair is one of only two US service categories — the other is locksmithing — that Google places under Advanced Verification for Local Services Ads.
That exists precisely because these two categories attracted enough fraudulent lead generation to warrant it. A provider that has passed Advanced Verification has had its licence and background checked by a third party.
It is not a substitute for checking the register yourself, but it is a meaningful filter, and it is the reason a legitimate operator in this trade is usually happy to be asked.
Method
- 01Licensing requirements are recorded per state, and per municipality where the state does not regulate the trade. Each entry is verified against the issuing authority's own register.
- 02A state we have not verified against its licensing board is omitted rather than inferred from a neighbouring state. An incorrect licensing claim would expose both a homeowner and a contractor, so the bar for publishing one is verification, not plausibility.
- 03Insurance and bonding are recorded separately from licensing, because a licence does not imply either.
Sources
- State contractor licensing board registers, verified per state
- California Contractors State License Board, classification D-28
- Google Local Services Ads Advanced Verification requirements for the garage door category
Free to cite with attribution to HireDoorPro. Coverage currently 76 cities with fully sourced data.
Can I use this data?
Yes. This dataset is free to reuse and cite with attribution to HireDoorPro. It is published under CC BY 4.0.
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