5 county-level rules, plus city-specific rules for 2 cities in Montgomery County, Pennsylvania.
Verified from official government sources
Montgomery County does no land-use zoning. Whether an accessory dwelling unit is allowed, and its size and setbacks, is decided by your borough or township under the PA Municipalities Planning Code. Check your municipality's zoning ordinance.
53 P.S. §10603(b) (MPC Section 603(b))
Zoning ordinances... may permit, prohibit, regulate, restrict and determine:... Size, height, bulk, location, erection, construction, repair, maintenance, alteration, razing, removal and use of structures.
Montgomery County sets no shed rule. Whether a shed needs a zoning or building permit, and how far it must sit from lot lines, is decided by your borough or township. Many PA municipalities exempt small sheds under 200 sq ft.
53 P.S. §10603(b) (MPC Section 603(b))
Zoning ordinances... may permit, prohibit, regulate, restrict and determine:... Size, height, bulk, location, erection, construction, repair, maintenance, alteration, razing, removal and use of structures.
Montgomery County has no garage-conversion rule. Whether you can convert a garage to living space is governed by your borough or township zoning ordinance plus the statewide Uniform Construction Code building permit. Check with your municipality.
53 P.S. §10603(b) (MPC Section 603(b))
Zoning ordinances... may permit, prohibit, regulate, restrict and determine:... Size, height, bulk, location, erection, construction, repair, maintenance, alteration, razing, removal and use of structures.
Montgomery County sets no carport rule. A carport is an accessory structure governed by your municipality's zoning ordinance — permit requirements, setbacks and height limits vary by borough or township under the PA MPC.
53 P.S. §10603(b) (MPC Section 603(b))
Zoning ordinances... may permit, prohibit, regulate, restrict and determine:... Size, height, bulk, location, erection, construction, repair, maintenance, alteration, razing, removal and use of structures.
Montgomery County has no tiny-home rule. Whether a tiny house on a foundation is allowed depends on your borough or township zoning and minimum-dwelling standards, plus the statewide Uniform Construction Code. A tiny home on wheels is usually treated as an RV.
53 P.S. §10603(b) (MPC Section 603(b))
Zoning ordinances... may permit, prohibit, regulate, restrict and determine:... Size, height, bulk, location, erection, construction, repair, maintenance, alteration, razing, removal and use of structures.
2 cities in Montgomery County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Montgomery County — parking, noise, fences, fires, animals, pools, and more.
Montgomery County Ordinance Hub →