Public ArcGIS FeatureServer endpoint for Snohomish County parcel data. URL, supported fields, and a working sample query — copy it, or open it directly in the UrbanKit parcel lookup tool.
https://services6.arcgis.com/z6WYi9VRHfgwgtyW/arcgis/rest/services/Parcels/FeatureServer/0/query?where=UPPER(OWNERNAME)+LIKE+UPPER('%SMITH%')&outFields=PARCEL_ID,SITUSLINE1,SITUSHOUSE,SITUSCITY,SITUSZIP,OWNERNAME,MKLND,MKIMP,MKTTL&returnGeometry=false&f=json&resultRecordCount=10Open this URL in a browser tab to see the raw ArcGIS JSON response.
| Field name | Label | Searchable |
|---|---|---|
| PARCEL_ID | Parcel ID | YES |
| LRSN | LRSN (Assessor Account Number) | YES |
| OWNERNAME | Owner Name | YES |
| TAXPRNAME | Taxpayer Name | YES |
| SITUSHOUSE | Situs House Number | NO |
| SITUSLINE1 | Situs Street Name | YES |
| SITUSCITY | Situs City | YES |
| SITUSSTATE | Situs State | NO |
| SITUSZIP | Situs ZIP | NO |
| MKLND | Market Value (Land) | NO |
| MKIMP | Market Value (Improvements) | NO |
| MKTTL | Market Value (Total) | NO |
| USECODE | Use Code | NO |
51 fields confirmed including PARCEL_ID, PAR_OID, LRSN, TAX_YEAR, STATUS, CREATEDATE, CORRDATE, RETIREDATE, GIS_SQ_FT, GIS_ACRES, TAB_ACRES, TCANUMBER, USECODE, TVR, MKIMP, MKLND, CUIMP, CULND, MKTTL, XMPTDESCR, SITUSLINE1, SITUSHOUSE, SITUSPREFX, SITUSSTRT, SITUSTTYP, SITUSPOSTD, SITUSUNIT, SITUSCITY, SITUSSTATE, SITUSZIP, TAXPRNAME, TAXPRLINE1-3, TAXPRCITY, TAXPRSTATE, TAXPRZIP, OWNERNAME, OWNERLINE1-3, OWNERCITY, OWNERSTATE, OWNERZIP, X_COORD, Y_COORD, SHAPE__Area, SHAPE__Length. Owner name confirmed live (OWNERNAME LIKE '%SMITH%' returns real results, e.g. 'SMITH STANLEY M'). Unlike most WA counties, Snohomish exposes OWNERNAME on the public layer. Hosted on ArcGIS Online (services6.arcgis.com/z6WYi9VRHfgwgtyW). Item ID: 60a6a62688db48e2a5f2ab7712b95658. Updated 3x/week. maxRecordCount=2000.
Snohomish County GIS / Assessor's Office — https://snohomish-county-open-data-portal-snoco-gis.hub.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.