Do I need a roof replacement permit in Maryland?

In Maryland it depends on the size of the job. Permits are issued locally, so the answer comes from your Maryland city or county rather than a single statewide rule. Of the 4 Maryland jurisdictions we have verified for roof replacement work, 0 require a permit outright, 3 depend on the size or scope of the job, and 1 requires none.

Is there a roof replacement permit exemption in Maryland?

3 of the 4 Maryland jurisdictions we cover set a threshold rather than a flat rule, so the same job can be exempt in one Maryland county and permitted in the next. The table above lists each Maryland jurisdiction's published threshold in its own words, with the source and the date we verified it.

Maryland

Do you need a roof replacement permit in Maryland?

By Mario Bailey Last checked 16 Aug 2026

Always required: 0; of 4 jurisdictions
Conditional: 3; depends on size or scope
Not required: 1; exempt outright

Roof Replacement Permit rules nationwide, beyond Maryland.

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 Maryland county or city requires. Always confirm with the local office before starting.

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

What to know about roof replacement permits in Maryland

Roof replacement permit rules in Virginia depend on the scope of work. Simple shingle replacement is often exempt under state code, while structural or sheathing work usually needs a permit. Costs depend on roof size and materials, and a licensed roofing contractor helps ensure the work passes any required inspection.

The application steps and inspection sequence for roof replacement permits come from the model code rather than from Maryland 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 Maryland 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
Baltimore County	Conditional	share of the sheathing or deck being replaced in a roofing job	Confirmed on official page
Howard County	Conditional	roof covering replacement with no other structural repairs is exempt, including up to 64 sq ft of roof sheathing; replacing more sheathing or any other structural repair requires a building permit	Confirmed on official page
Montgomery County	No	Not specified	Confirmed on official page
Prince George's County	Conditional	Not specified	Confirmed on official page
No localities match your filter.

Common questions about roof replacement permits in Maryland

Do I need a roof replacement permit in Maryland?: In Maryland it depends on the size of the job. Permits are issued locally, so the answer comes from your Maryland city or county rather than a single statewide rule. Of the 4 Maryland jurisdictions we have verified for roof replacement work, 0 require a permit outright, 3 depend on the size or scope of the job, and 1 requires none.
Is there a roof replacement permit exemption in Maryland?: 3 of the 4 Maryland jurisdictions we cover set a threshold rather than a flat rule, so the same job can be exempt in one Maryland county and permitted in the next. The table above lists each Maryland 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 Maryland?

What to know about roof replacement permits in Maryland

Common questions about roof replacement permits in Maryland

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