Maryland

Do you need a pool permit in Maryland?

By Mario Bailey Last checked

Always required
2
of 4 jurisdictions
Conditional
2
depends on size or scope
Not required
0
exempt outright

Pool Permit rules nationwide, beyond Maryland.

An in-ground pool and stone patio behind a two-story suburban house

Requirements and size thresholds for pool 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 pool permit rules across every locality we cover.

What to know about pool permits in Maryland

Pool permits in Virginia generally apply once a pool passes a size or depth threshold, and they often involve barrier and electrical safety requirements. Costs depend on the pool type and your locality. A licensed contractor helps ensure the pool and its safety features meet code.

The application steps and inspection sequence for pool 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 pool 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 above-ground pool surface area, where the water depth is 24 inches or more; in-ground pools require a permit at any size Confirmed on official page
Howard County Yes Not specified Confirmed on official page
Montgomery County Yes Not specified Confirmed on official page
Prince George's County Conditional prefabricated pools accessory to one- and two-family dwellings that are installed entirely above ground, hold no more than 5,000 gallons, and have a four-foot fence around the pool perimeter Confirmed on official page

What a pool permit costs in Maryland

4 Maryland jurisdictions we cover publish a fee figure for this work. Each line is quoted from that office's own schedule and linked to its citation. The figures are not comparable to one another: some are flat minimums, some a percentage of job value, some charged per fixture, so what you pay depends on which schedule applies and on your job's valuation.

Baltimore County by formula

Building Permit Fee Schedule effective 07/01/26: Swimming Pool, Residential, Above Ground $60.00; Residential, In-ground $100.00; Automatic Pool Cover $30.00; Fence Around Pool $35.00 + $0.05 / linear ft over 250 linear ft, Minimum $35.00. Separate trade permits carry their own fees: Electrical Permit Fee Schedule effective 11/26/18, Swimming Pool, Residential $68.00; Plumbing Inspection Fee Schedule effective 11/26/18, Swimming Pool $79.00.

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Howard County $100

$100 for above-ground pools; $250 for in-ground pools (Private Swimming Pools fee, includes fence and grading; FY2027 Building Permit Fee Schedule)

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Montgomery County $360.68

$360.68 for a private in-ground swimming pool including its fence per DPS-Fees-ResConst-FY27.pdf effective 2026-07-01; pool electrical equipment needs a separate electrical permit

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Prince George's County by formula

DPIE Fee Schedule, effective March 2, 2025: "Swimming Pool (In-ground) - Residential", minimum permit fee $297, "Total Fee = Administrative Fee $66 + Building Permit Fee ($297) + $53 Grading Fee + $5 M-NCPPC. Plus Technology Fee 10%"; "Swimming Pool (Above-ground/Restoration) - Residential", minimum permit fee $132, same formula with a $132 building permit fee. A separate "Electrical Permit Fee - Swimming Pool" of $162 applies, plus the $66 administrative fee and the 10% technology fee.

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Jurisdictions not listed publish no dollar figure we could quote. Absence does not mean a permit is free.

Common questions about pool permits in Maryland

Do I need a pool 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 pool work, 2 require a permit outright, 2 depend on the size or scope of the job, and 0 require none.
Is there a pool permit exemption in Maryland?
2 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.

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