Swimming Pools & Spas in Baltimore County, MD (2026)
2 rules for unincorporated Baltimore County, Maryland.
Verified from official government sources
Pool Permits
Above-ground pools in Baltimore County need a building permit when over 250 square feet with water 24 inches or more deep. Where access is by ladder or steps, the ladder or steps must be secured, locked, or removed to prevent access, per Section 3109.4.1.9 of the 2015 IBC.
Above-Ground Pools: Permit Over 250 Sq Ft and Secured Ladder
Some RestrictionsBaltimore County PAI — Residential Swimming Pool (Form PAI BPP 10); 2015 IBC §3109.4.1.9
Above ground pool. Where the means of access to above-ground pools is a ladder or steps, the ladder or steps must be secured, locked or removed to prevent access. (Section 3109.4.1.9 2015 IBC)
Fencing & Safety Requirements
Where a dwelling wall forms part of the pool barrier, Baltimore County requires doors with direct pool access to have a UL 2017-listed audible alarm. Pools must sit at least 10 feet from overhead electrical wires (NEC 680.9) and comply with mandatory energy-savings measures under the 2015 IECC.
Door Alarms, Electrical Setbacks and Energy Measures for Pools
Heavy RestrictionsBaltimore County PAI — Residential Swimming Pool (Form PAI BPP 10)
Dwelling wall as a barrier. Where a wall of a dwelling serves as part of the barrier ... Doors with direct access to the pool through that wall shall be equipped with an alarm that produces an audible warning when the door or its screen, if present, are opened. The alarm shall be listed and labeled in accordance with UL 2017.
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