New Mexico · FIPS 35039 · County seat: Tierra Amarilla
Rio Arriba County, NM GIS & Parcel Viewer
Here is the direct link to the statewide parcel map covering Rio Arriba County, NM: NM Office of the State Engineer County Parcels 2025 layer (ArcGIS Map Viewer). Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Rio Arriba County statewide map ↗
Opens arcgis.com in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | NM Office of the State Engineer County Parcels 2025 layer (ArcGIS Map Viewer) |
|---|---|
| Type | Statewide map (covers all of New Mexico) |
| Website | arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Tierra Amarilla |
| Population | 39,876 (2023 Census Bureau estimate) |
| Land area | 5,861 sq mi |
| FIPS code | 35039 |
Where the parcel data comes from
Rio Arriba County doesn't have its own viewer in our directory, so we point you to a statewide map: NM Office of the State Engineer County Parcels 2025 layer (ArcGIS Map Viewer). Zoom in on Rio Arriba County to see its parcels. Because a state agency compiles this layer from local data, check with the Rio Arriba County assessor or recorder before relying on a recent change. 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 to load the statewide viewer, then move the map to Rio Arriba County.
- Use the viewer's search tool to find an address or parcel, if it has one.
- Click a lot to read its details.
- For deeds, taxes or official copies, take the parcel number to the county's own offices.
Rural addresses don't always geocode well. When that happens, zoom in by hand and click the parcel, or search by owner name.
About Rio Arriba County
The U.S. Census Bureau estimated Rio Arriba County's population at 39,876 in 2023, spread over about 5,861 square miles of land, or roughly 6.8 people per square mile. That makes it number 13 out of 33 New Mexico counties by population. The county seat is Tierra Amarilla.
Nearby parcel maps
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Rio Arriba County:
- Los Alamos County
- Mora County
- San Juan County
- Sandoval County
- Santa Fe County
- Taos County
- Archuleta County, CO
- Conejos County, CO (state list)
Before you rely on the lines
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.