{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/zoning/18103/","name":"Zoning for ZIP 18103 — Allentown (PA), PA","description":"Zoning data for ZIP 18103 (Allentown (PA), Pennsylvania), sourced from Municipal planning departments.","topic":{"slug":"zoning","label":"Zoning","source":"Municipal planning departments","sourceUrl":"https://zipradar.org/methodology/","refreshCadence":"Annual plus ad-hoc rezonings","summary":"Not on zipradar yet. The plan is the ZIP's main zoning classes in plain English. Until then, the city planning department's official map is the source.","limitations":"Top-25 cities covered at launch. Houston has no zoning laws (special handling). Elsewhere, zipradar links to the planning department's portal."},"place":{"zip":"18103","city":"Allentown (PA)","state":"PA","stateFull":"Pennsylvania","county":"Lehigh County","countySlug":"lehigh-county","geo":{"latitude":40.5867,"longitude":-75.4775}},"stateContext":{"topConcern":"Radon, lead pipes (older cities)","narrative":"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."},"radonZone":null,"airQuality":null,"waterQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-24","canonicalUrl":"https://zipradar.org/topic/zoning/18103/","zipDashboardUrl":"https://zipradar.org/zip/18103/","zipDashboardApiUrl":"https://zipradar.org/api/zip/18103","primarySourceUrl":"https://zipradar.org/methodology/","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/zoning/18103/"}}