California · FIPS 06011 · County seat: Colusa
Colusa County, CA GIS & Parcel Viewer
Colusa County, California parcel data lives on County of Colusa Parcel Map. Open it below in a new tab, then use the short steps on this page to find a property fast.
Open the Colusa County parcel map ↗
Opens colusacountydpw.maps.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | County of Colusa Parcel Map |
|---|---|
| Type | County-run map |
| Website | colusacountydpw.maps.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Colusa |
| Population | 22,037 (2023 Census Bureau estimate) |
| Land area | 1,151 sq mi |
| FIPS code | 06011 |
Who runs this map
Colusa 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.
How to use the Colusa County viewer
- Open the official link. The viewer is built with ArcGIS Web AppBuilder; if a disclaimer pops up, accept it to continue.
- Use the search widget, usually in the upper left, to find a street address or parcel ID.
- Click a parcel to open its info window.
- The widget bar holds extras such as the layer list, basemap switcher, measure and print tools.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
Colusa County by the numbers
Census Bureau figures put Colusa County at about 22,037 people (2023 estimate) on roughly 1,151 square miles of land, which is about 19 residents per square mile. By population it ranks 50th of 58 counties in California. Colusa serves as the county seat.
Nearby parcel maps
Parcels close to the edge of Colusa County can fall in the next county over. Neighboring counties:
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.