Public ArcGIS FeatureServer endpoint for DeKalb County parcel data. URL, supported fields, and a working sample query — copy it, or open it directly in the UrbanKit parcel lookup tool.
https://services7.arcgis.com/hEXJrPwm89CLXBYe/arcgis/rest/services/DeKalbIL_Parcels/FeatureServer/0Parcel_NumberParcel NumberOwnerOwner NameSiteAddressSite AddressTaxBillMailedToTax Bill Mailed ToMailingAddressMailing Addresscurl -s 'https://services7.arcgis.com/hEXJrPwm89CLXBYe/arcgis/rest/services/DeKalbIL_Parcels/FeatureServer/0/query?where=UPPER(Owner)%20LIKE%20UPPER('%25SMITH%25')&outFields=Parcel_Number,Owner,SiteAddress&f=json&resultRecordCount=10'https://services7.arcgis.com/hEXJrPwm89CLXBYe/arcgis/rest/services/DeKalbIL_Parcels/FeatureServer/0/query?where=UPPER(Owner) LIKE UPPER('%SMITH%')&outFields=Parcel_Number,Owner,SiteAddress&f=json&resultRecordCount=10Open this URL in a browser tab to see the raw ArcGIS JSON response.
| Field name | Label | Searchable |
|---|---|---|
| Parcel_Number | Parcel Number | YES |
| Owner | Owner Name | YES |
| SiteAddress | Site Address | YES |
| TaxBillMailedTo | Tax Bill Mailed To | YES |
| MailingAddress | Mailing Address | YES |
This is DeKalb County, Illinois (county seat Sycamore, home to Northern Illinois University in DeKalb city) — not to be confused with DeKalb County, Georgia (Atlanta metro, FIPS 13089). The Illinois county (FIPS 17037) is an outer-collar county roughly 60 miles west of Chicago. Hosted on ArcGIS Online (services7.arcgis.com) — the county's WAB viewer config points at this FeatureServer as the backing data layer. 27 fields total including Parcel_Number, Owner, SiteAddress, MailingAddress, tax_code, net_taxable_value, Zone_Code, and QTAS/Compass hyperlinks. Owner-name search by UPPER() LIKE on the Owner field works directly; no token required. The public-facing viewer at spatial.dekalbcounty.org uses VertiGIS/Geocortex as its front-end but queries the same FeatureServer. DeKalb County GIS is administered by the county's Information Management Office (gis@dekalbcounty.org). Owner and TaxBillMailedTo are distinct fields — TaxBillMailedTo reflects the current billing addressee, which may differ from the recorded owner in cases involving trusts or recent transfers.
DeKalb County Information Management Office — https://dekalbcounty.org/services/property-data-and-maps/
DeKalb County's Parcels layer exposes a parcel identifier (Parcel Number), owner names (Owner Name), and address fields (Site Address, Mailing Address). Use it for owner-name lookups and address-based parcel searches. All 5 listed fields accept queries. Served as an ArcGIS FeatureServer layer, so edits and applyEdits operations are technically exposed (read access only is published here); last verified 2026-05-15.
/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 DeKalb 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.