Shed permit rules in Delaware County, PA — also referred to as storage shed, backyard shed, or accessory building regulations — set size limits, setbacks, and when a building permit is required.
Delaware County sets no shed rule. Sheds are governed by your municipality's zoning ordinance, which fixes height and how close to the property line a shed may sit. Radnor Township, for example, limits accessory buildings to 20 feet and a 3-foot setback.
Under the PA Municipalities Planning Code, sheds and other accessory buildings are regulated municipally, not by the county. Rules vary by borough or township. Radnor Township's zoning code (Chapter 280) states no accessory building shall exceed 20 feet in height and that an accessory building in the rear or side yard shall not be closer than three feet from a side or rear property line; a permit is required for detached structures over 200 square feet. Other municipalities use different height caps and setbacks (Radnor's R-2 district requires 10 feet). Always confirm with your own municipal zoning officer before building.
Building without a required zoning or building permit, or too close to a lot line, is a municipal code violation subject to stop-work orders and fines set by local ordinance.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Delaware County's shed rules rules stack up against other locations.
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