Solar Energy in Washington County, MD (2026)
1 rule for unincorporated Washington County, Maryland.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Washington County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Panel Permits
Washington County, Maryland treats rooftop and freestanding solar arrays as an accessory use in every zoning district under Zoning Ordinance Section 4.25. Freestanding systems must sit at least six feet from property lines, stay under 20 feet tall, and roof-mounted arrays need a structural certification submitted with the permit application before installation.
Washington County, MD Solar Panel Permit Rules
Some RestrictionsWashington County Zoning Ordinance § 4.25 (Solar Collection Systems)
1. Setbacks: Six (6) feet from all property lines and other structures. 2. Height: Freestanding Collection systems shall not exceed twenty (20) feet in height. 3. Size: Freestanding Collection systems on residential properties shall not exceed the greater of one-half (1/2) the footprint of the principal structure or six hundred (600) square feet, whichever is greater, except than in the A(R), E...
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