Doors · Permits

Door permits

Whether a door replacement needs a permit depends entirely on your city or county building department — there is no national rule. As a general pattern, like-for-like swaps in an existing opening are treated more leniently than jobs that change the size of the opening or alter framing, but you must confirm with your own jurisdiction before work starts.

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Do not take a contractor's word for the permit answer, and do not take ours. Call or search your local building department directly. The search that works is your city or county name plus "building department permit" — municipal sites publish permit requirement lists and exemption tables. If you are in an unincorporated area, it is the county.

Ask three specific questions: (1) does replacing a door in an existing opening require a permit here, (2) does it if the opening is enlarged or the header changed, and (3) who pulls it — you or the contractor. Get the answer in writing or note the date, the name of who you spoke to, and the reference number.

A contractor asking you to pull the permit is a warning sign. When the homeowner is listed as the permit holder, the homeowner carries the code-compliance liability. Licensed contractors normally pull their own permits. Ask why if they push it onto you.

Separately from permits, doors can be subject to code requirements around egress, fire separation (notably the door between an attached garage and the house), safety glazing, and hardware in some settings. These are jurisdiction-specific and change between code cycles. Ask your building department which code edition and local amendments apply to your address rather than relying on general articles.

If you're in an HOA or a historic district, that's a separate approval track from the building permit. Both can apply. Check them in parallel, because historic review in particular can add weeks.

How to choose

Confirm with your own building department: Search '[your city or county] building department permit' and ask about your exact scope. Permit rules and exemptions are local and change between code cycles.
Ask specifically about changing the opening size: This is the line that most commonly moves a door job from exempt to permitted, because it involves framing and a header.
The contractor should pull the permit: If a contractor asks you to pull it in your name, ask why. It shifts code liability to you and can indicate a licensing problem.
Check HOA and historic review separately: These are independent of the building permit and can control materials, color and style. Historic review can take weeks — start early.
Keep the paperwork: Final inspection sign-off and permit records matter at resale and can matter for insurance claims. Store them with the door's model numbers and warranty.

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FAQ

Doors permits — common questions

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Do I need a permit to replace my front door?

It depends on your jurisdiction; there's no national answer. Like-for-like swaps in an existing opening are often treated more leniently than jobs that change the opening, but you have to confirm with your local building department.

How do I find out my local rules?

Search your city or county name plus 'building department permit', or call them. Ask about your specific scope, note who you spoke to and the date, and get it in writing where possible.

Should the contractor or I pull the permit?

The contractor, normally. If a permit is issued in your name you take on the code-compliance liability. A contractor pushing that onto you is worth questioning.

What happens if work is done without a required permit?

That varies by jurisdiction, but unpermitted work commonly surfaces at resale and can require retroactive permitting or correction. Ask your building department what their process is before you decide to skip it — the answer is local.

Sources

Where these figures come from

How to Verify a Contractor License Before Hiring (2026 Guide) · retrieved 2026-07-25
Montgomery County MD DPS — example of a local permit process page · retrieved 2026-07-25