{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/property-tax/20850/","name":"Property tax for ZIP 20850 — Rockville, MD","description":"Property tax data for ZIP 20850 (Rockville, Maryland), sourced from County assessors.","topic":{"slug":"property-tax","label":"Property tax","source":"County assessors","sourceUrl":"https://zipradar.org/methodology/","refreshCadence":"Annual reassessment per county","summary":"Not on zipradar yet. The plan is the county millage rate, assessment method and homestead or senior exemptions. Until then, the county assessor's portal has address-specific figures.","limitations":"Top-50 metros covered at launch (~35% of US population). Smaller counties deep-link to the assessor portal with a pending-ingestion flag pending federation."},"place":{"zip":"20850","city":"Rockville","state":"MD","stateFull":"Maryland","county":"Montgomery County (MD)","countySlug":"montgomery-county","geo":{"latitude":39.084,"longitude":-77.1528}},"stateContext":{"topConcern":"Chesapeake flood, lead pipes","narrative":"Maryland has dense FEMA NFHL coverage along Chesapeake Bay tributaries. Baltimore City has extensive LCRR lead-service-line obligations and flagged EPA SDWIS compliance history. Radon Zone 1-2 across most counties."},"radonZone":null,"airQuality":null,"waterQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-24","canonicalUrl":"https://zipradar.org/topic/property-tax/20850/","zipDashboardUrl":"https://zipradar.org/zip/20850/","zipDashboardApiUrl":"https://zipradar.org/api/zip/20850/","primarySourceUrl":"https://zipradar.org/methodology/","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/property-tax/20850/"}}