Overview
Preemption classification
Tier F — Local control
Dillon Rule state but no statewide housing preemption. Philly and Pittsburgh make their own rules under home rule charters.
Governance
Statewide
Building and zoning code adoption is mandated at the state level.
Adopted building codes
Most jurisdictions opt in
City-level IBC adoptions (7)
| City | IBC | Amendment notes |
|---|---|---|
| Connellsville | 2018 | |
| Indiana | 2018 | |
| Philadelphia | 2018 | |
| Upper Merion Township | 2018 | |
| Lower Merion Township | 2018 | |
| Conshohocken | 2018 | |
| Norristown | 2018 |
View building-code adoption for Pennsylvania →
4 of 5 codes adopted (IBC, IRC, IECC, IFC)
Profiled counties
Cities
Showing 8 of 8
| City | Population | Code | Status | Issues |
|---|---|---|---|---|
| Connellsville | — | Fayette County Zoning Ordinance / Connellsville Municipal Code · 8 districts | V1 Legacy | schema:v1-legacypriority:lowdata:gaps-present |
| Conshohocken | — | Code of the Borough of Conshohocken, PA — Chapter 27 (Zoning) — 'Conshohocken Borough Zoning Ordinance of 2001' · 9 districts | V2 ✓ | |
| Indiana | — | — | V2 ✓ | |
| Lower Merion Township | — | Code of the Township of Lower Merion, PA — Chapter 155 (Zoning) · 34 districts | V2 ✓ | |
| Norristown | — | Code of the Municipality of Norristown, PA — Chapter 320 (Zoning) · 10 districts | V2 ✓ | |
| Philadelphia | — | — | V2 ✓ | |
| Pittsburgh | — | — | V2 ✓ | |
| Upper Merion Township | — | Code of the Township of Upper Merion, PA — Chapter 165 (Zoning) · 28 districts | V2 ✓ |
Research status
Data quality
88%completeness7 confirmed1 not found