Pennsylvania · PACoverage expanding
Pennsylvania residential & ADU permit data
Major markets in Philadelphia and Pittsburgh
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Housing law
Accessory dwelling units in Pennsylvania are regulated locally; there is no statewide ADU mandate, so rules vary by municipality.
Pennsylvania has no statewide upzoning law; residential density is set by local zoning.
Local zoning (no statewide mandate)
Major permit jurisdictions
PhiladelphiaPittsburgh
Why Igni for Pennsylvania
Two major metros in Philadelphia and Pittsburgh
Local-first permit intelligence across Pennsylvania's municipalities
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Fresh, filterable residential and ADU permit leads — delivered before your competitors even know.
Permit data via municipal open-data portals and public records where available.
Informational only, not legal advice. Housing law changes — verify current statutes before relying on this.