Public ArcGIS MapServer endpoint for Travis County parcel data. URL, supported fields, and a working sample query — copy it, or open it directly in the UrbanKit parcel lookup tool.
https://gis.traviscountytx.gov/server1/rest/services/Boundaries_and_Jurisdictions/TCAD_public/MapServer/0/query?where=situs_address+LIKE+'%CONGRESS%'&outFields=PROP_ID,geo_id,situs_address,situs_city&returnGeometry=false&f=json&resultRecordCount=10Open this URL in a browser tab to see the raw ArcGIS JSON response.
| Field name | Label | Searchable |
|---|---|---|
| PROP_ID | Property ID | YES |
| geo_id | Geo ID | YES |
| situs_address | Situs Address (combined) | YES |
| situs_num | Situs Street Number | YES |
| situs_street | Situs Street Name | YES |
| situs_city | Situs City | YES |
| situs_zip | Situs ZIP | YES |
20 fields confirmed. This layer is geometry + parcel ID + address only — owner name is NOT in the public TCAD_public REST layer. Parcel data comes from Travis Central Appraisal District (TCAD). Owner name search requires the TCAD property search portal at tcad.org, not this REST endpoint. A second endpoint at taxmaps.traviscountytx.gov/arcgis/rest/services/Parcels/MapServer also exists but did not respond in testing.
Travis County Transportation & Natural Resources (TNR) GIS — https://tnr-traviscountytx.opendata.arcgis.com/
/query?where=…&outFields=*&f=jsonto the URL. The sample query above is a working example you can paste into a browser tab to see the raw JSON response.Counties publish parcel data through their own ArcGIS Server installations, each with its own schema. One county uses APN, another uses PIN, a third uses PARCEL_ID. Some expose owner names; others keep them on a separate assessor's portal. The searchable fields list above reflects what this county actually publishes — not what you might expect from a national standard (there isn't one).
For background, see What is an APN?
Many county servers allow public reads but block browser cross-origin requests. The UrbanKit parcel lookup tool fetches directly from your browser; if it works there, the layer is technically public. For your own integration, you may need a same-origin proxy or server-side fetch.
Possibly — counties move services without warning. We re-verify entries weekly and flag stale ones. If you're seeing a fresh 404, please let us know and we'll update the listing.
Most are. Public ArcGIS layers don't typically rate-limit individual reads, but heavy programmatic use can trigger throttling at the host level. Be respectful — query what you need.