{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/zoning/59601/","name":"Zoning for ZIP 59601 — Helena, MT","description":"Zoning data for ZIP 59601 (Helena, Montana), 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":"59601","city":"Helena","state":"MT","stateFull":"Montana","county":"Lewis and Clark County","countySlug":"lewis-and-clark-county","geo":{"latitude":46.5891,"longitude":-112.0391}},"stateContext":{"topConcern":"Radon Zone 1, wildfire","narrative":"Montana is uniformly Zone 1 radon. Wildfire risk concentrates in the western mountains; the 2017 + 2021 + 2024 seasons all set records. EPA SDWIS shows compliance disparity between Helena/Missoula/Billings and small rural systems."},"radonZone":null,"airQuality":null,"waterQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-24","canonicalUrl":"https://zipradar.org/topic/zoning/59601/","zipDashboardUrl":"https://zipradar.org/zip/59601/","zipDashboardApiUrl":"https://zipradar.org/api/zip/59601/","primarySourceUrl":"https://zipradar.org/methodology/","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/zoning/59601/"}}