What the public record says about Yuma County
- County seat and size. Yuma County's seat is Yuma. It counted 203,881 residents in the 2020 Census across 5,513.84 square miles of land. Source
- Groundwater designation. The Ranegras Plain AMA, designated in January 2026, covers parts of La Paz and Yuma counties. Source
Water and wells
The Ranegras Plain AMA, designated in January 2026, covers parts of La Paz and Yuma counties. Whether a particular parcel is inside a boundary is a map question, not a county question — the parcel research tool checks ADWR's boundary layer for the exact parcel, and the well lookup guide shows how to find any registered well on it.
County offices for land research
These are the offices that hold the records a buyer, title company or attorney will ask about. Links marked unchecked link point to official county domains we have not yet opened ourselves.
| Assessor | www.yumacountyaz.gov unchecked link |
|---|---|
| GIS / parcel maps | www.yumacountyaz.gov unchecked link |
| Recorder (deeds, easements) | www.yumacountyaz.gov unchecked link |
| Treasurer (property tax) | www.yumacountyaz.gov unchecked link |
| Planning & zoning | www.yumacountyaz.gov unchecked link |
Look up a parcel in Yuma County
Enter an address or assessor parcel number. We pull the parcel record, FEMA flood zone, ADWR water designation and elevation from public sources and label where each one came from.
Sources
Checked 2026-10-02. Links go to the agency or publication named.
General information, not legal, tax or survey advice. First 48 Offers LLC is a real estate investment company that buys land. It is not a law firm, brokerage, surveyor or title company. Arizona statutes, county procedures and agency boundaries change, and every parcel turns on its own facts. Verify anything important with the county, the agency named, or an Arizona attorney before relying on it.