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Zoning · Pennsylvania

Zoning in Pennsylvania

Zoning (Municipal planning departments) data for ZIP codes in Pennsylvania. Pick a ZIP below to dive into the zoning summary.

Last verified 2026-05-13 · methodology

What lands here

Pages translate the city's zoning code into plain English for the ZIP's dominant classifications, with a link to the planning department's official map.

Source & refresh

Municipal planning departments. Refreshed annual plus ad-hoc rezonings. Primary source →

Pennsylvania top concern

Radon, lead pipes (older cities)

Pennsylvania has Zone 1 radon across most of the state. LCRR lead-service-line obligations in Philadelphia, Pittsburgh, Reading, Allentown, Erie. EPA SDWIS small-system compliance varies.

See Pennsylvania state page for the full state-level rollup across all 12 dimensions.

Read more on zoning

Editorial deep-dives explaining the source data, its limits, and how to read it.

10 Pennsylvania ZIPs