Do I need a roof replacement permit in Missouri?

In Missouri it depends on the size of the job. Permits are issued locally, so the answer comes from your Missouri city or county rather than a single statewide rule. Of the 2 Missouri jurisdictions we have verified for roof replacement work, 0 require a permit outright, 2 depend on the size or scope of the job, and 0 require none.

Is there a roof replacement permit exemption in Missouri?

2 of the 2 Missouri jurisdictions we cover set a threshold rather than a flat rule, so the same job can be exempt in one Missouri county and permitted in the next. The table above lists each Missouri jurisdiction's published threshold in its own words, with the source and the date we verified it.

Missouri

Do you need a roof replacement permit in Missouri?

By Mario Bailey Last checked 16 Aug 2026

Always required: 0; of 2 jurisdictions
Conditional: 2; depends on size or scope
Not required: 0; exempt outright

Roof Replacement Permit rules nationwide, beyond Missouri.

A roofing crew replaces the shingles on a brick house

Requirements and size thresholds for roof replacement permits vary by locality. The table below compares what each Missouri county or city requires. Always confirm with the local office before starting.

Comparing states? See roof replacement permit rules across every locality we cover.

The application steps and inspection sequence for roof replacement permits come from the model code rather than from Missouri law, so they read the same wherever you build. We keep that walkthrough in one place: how a roof replacement permit application and its inspections work, start to finish. What changes between Missouri jurisdictions is below: who requires a permit, what they charge, and which office you file with.

Swipe sideways to see thresholds and confidence.

Locality	Permit required?	Typical threshold	Confidence
Kansas City	Conditional	Not needed to strip and re-cover a one- or two-family roof with a light roof covering	Confirmed on official page
St. Louis	Conditional	percent of roof sheathing removed and replaced during a like-material roof covering replacement	Confirmed on official page
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Common questions about roof replacement permits in Missouri

Do I need a roof replacement permit in Missouri?: In Missouri it depends on the size of the job. Permits are issued locally, so the answer comes from your Missouri city or county rather than a single statewide rule. Of the 2 Missouri jurisdictions we have verified for roof replacement work, 0 require a permit outright, 2 depend on the size or scope of the job, and 0 require none.
Is there a roof replacement permit exemption in Missouri?: 2 of the 2 Missouri jurisdictions we cover set a threshold rather than a flat rule, so the same job can be exempt in one Missouri county and permitted in the next. The table above lists each Missouri jurisdiction's published threshold in its own words, with the source and the date we verified it.

Do you need a roof replacement permit in Missouri?

Common questions about roof replacement permits in Missouri

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