California · FIPS 06023 · County seat: Eureka
Humboldt County, CA GIS & Parcel Viewer
Parcel lookups for Humboldt County start at HCPBGIS4.1_Public for Humboldt County. This page gives you that official link, notes on how the viewer works, and links to the counties next door.
Open the Humboldt County parcel map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Humboldt County at a glance
| Official map | HCPBGIS4.1_Public for Humboldt County |
|---|---|
| Type | County-run map |
| Website | experience.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Eureka |
| Population | 133,985 (2023 Census Bureau estimate) |
| Land area | 3,568 sq mi |
| FIPS code | 06023 |
About the official source
Humboldt County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. As of our October 2026 test, anyone could open it without signing in or paying.
Searching for a parcel, step by step
- Press the button above; an ArcGIS Experience Builder app opens in a new tab. Accept any splash or disclaimer screen.
- Search by address or parcel ID, or pan to the area.
- Select a parcel to view the information the publisher makes available.
- Explore the app's panels for layers, legends or printing.
Rural addresses don't always geocode well. When that happens, zoom in by hand and click the parcel, or search by owner name.
Humboldt County by the numbers
Humboldt County had an estimated 133,985 residents in 2023, according to the Census Bureau. With about 3,568 square miles of land, that works out to roughly 38 people per square mile. By population it ranks 34th of 58 counties in California. Another 484 square miles of water fall within its lines, according to Census mapping. Its county seat is Eureka.
Neighboring counties
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Humboldt County:
More on Humboldt County parcel maps
A note on accuracy
Treat the map as a guide, not a boundary survey: parcel outlines are often shifted a bit from the real corners. A licensed surveyor settles exact lines.