Pennsylvania · PA
Pennsylvania residential & ADU permit data
Major markets in Philadelphia and Pittsburgh
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)
Jurisdictions we cover
PhiladelphiaPittsburgh
Cities we cover in Pennsylvania
Live dataExplore live, sourced permit activity for each Pennsylvania jurisdiction.
Why Igni for Pennsylvania
Two major metros in Philadelphia and Pittsburgh
Live Philadelphia permit data, sourced from official open data
Local-first permit intelligence across Pennsylvania's municipalities
Pennsylvania ADU & permit data — FAQ
Does Pennsylvania allow accessory dwelling units (ADUs)?
Accessory dwelling units in Pennsylvania are regulated locally; there is no statewide ADU mandate, so rules vary by municipality.
What is Pennsylvania's missing-middle / upzoning law?
Pennsylvania has no statewide upzoning law; residential density is set by local zoning.
Where does Igni get Pennsylvania permit data?
Sourced live from the City of Philadelphia L&I open-data portal (building permits; public records); plus Pittsburgh.
Which Pennsylvania cities does Igni cover?
Igni has live permit coverage for Philadelphia, Pittsburgh in Pennsylvania, with more jurisdictions expanding.
Start tracking Pennsylvania permits
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Sourced live from the City of Philadelphia L&I open-data portal (building permits; public records); plus Pittsburgh.
Informational only, not legal advice. Housing law changes — verify current statutes before relying on this.