Source
County parcel layer
Set a distance in feet and the geometry resolves itself, every owner inside the ring, deduplicated, ready to print. Auto-query your county's parcel data, or drop your own GeoJSON. For variances, CUPs, rezonings, and anything else that needs a stamp on an envelope.
Auto county owner-lookup is an Individual plan feature. Sign in and paste your API key, or see plans. The radius buffer + your own GeoJSON stay free under the Upload GeoJSON tab.
Most cities and counties require that property owners within a certain distance of a proposed development be notified of upcoming public hearings so affected neighbors can participate in decisions about zoning changes, variances, conditional use permits, and other land use actions.
Typical notification distances range from 200 to 500 feet, though larger projects may require 1,000 feet or more. Requirements vary by jurisdiction, always check your local zoning ordinance. For what the list includes and the other names it goes by, see the radius mailing list overview.
Check your county assessor or GIS department. Many offer free parcel downloads. State GIS clearinghouses and Regrid.com also provide parcel data. If you have a Shapefile, convert it using mapshaper.org.
We use the U.S. Census Bureau's geocoding service, which works for most U.S. addresses. For best results, include the full address with city, state, and ZIP code.
After the initial buffer selection, click any parcel on the map to add or remove it. Useful for including adjacent parcels or excluding the subject property.
Use the field mapping dropdowns to match your data's column names. The tool detects available fields from your uploaded GeoJSON.
No. The Auto county data tab (on the Individual plan) queries your county's own parcel layer for you. Enter the address and radius, and it returns every owner inside the ring with their mailing address, no GeoJSON required. The radius buffer and the Upload GeoJSON path stay free.
Coverage depends on what each county publishes. Many county parcel layers expose owner names (so the auto lookup works end-to-end); others publish only a parcel number and address. When a county doesn't publish owner names on its public layer, the tool tells you so and points you to the county's portal, and you are not charged. For those counties, upload a GeoJSON that includes owner data instead.