California · FIPS 06043 · County seat: Mariposa
Mariposa County, CA GIS & Parcel Viewer
Mariposa County, California parcel data lives on the Mariposa County ArcGIS parcel map. Open it below in a new tab, then use the short steps on this page to find a property fast.
Open the Mariposa County parcel map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Mariposa County at a glance
| Official map | Mariposa County ArcGIS parcel map |
|---|---|
| Type | County-run map |
| Website | experience.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Mariposa |
| Population | 16,919 (2023 Census Bureau estimate) |
| Land area | 1,449 sq mi |
| FIPS code | 06043 |
About the official source
Mariposa County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. When we tested the link in October 2026 it opened with no login and no fee.
How to use the Mariposa County viewer
- Open the link. This viewer is an ArcGIS Experience Builder app, so its layout is custom to the publisher.
- Look for a search box or search widget and type in a street address or parcel ID.
- Click a parcel to see its details in a pop-up or side panel.
- Check the toolbar for a layer list or basemap switcher if you want aerials or other layers.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
About Mariposa County
Mariposa County had an estimated 16,919 residents in 2023, according to the Census Bureau. With about 1,449 square miles of land, that works out to roughly 12 people per square mile. That makes it number 53 out of 58 California counties by population. Its county seat is Mariposa.
Counties next to Mariposa County
Parcels close to the edge of Mariposa County can fall in the next county over. Neighboring counties:
A note on accuracy
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.