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New Mexico · High Country · #504
Rio Arriba County, New Mexico
In the high mountain country of northern New Mexico where the Rio Grande carves through red rock and the Spanish land grant traditions run 400 years deep, Rio Arriba County holds some of the most historically layered and visually extraordinary landscape in the Southwest - and the complicated legacies of colonial land tenure that shape it still.
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Office: Rio Arriba County Emergency Management – 1122 Industrial Park Rd, Española, NM 87532; Emergency Manager Enrico Trujillo, (505) 747-1941 | Cell (505) 901-8989.
Sheriff: Rio Arriba County Sheriff’s Office – dual offices: 1122 Industrial Park Road, Española, NM 87532, (505) 753-3329 | Fax (505) 753-9812; and Tierra Amarilla, non-emergency (575) 588-7271. Detention Center: 2 Main Street Building 2, Tierra Amarilla, NM 87575, (575) 588-7350.
Notes: For an active emergency, call 911.
Roads & Utilities
ROADS & TRANSPORTATION
Roads: US-84/285 serves Española, the county’s largest city, while Tierra Amarilla, a small community, is the official county seat in the county’s north.
Notes: Rio Arriba County, created 1852, was one of New Mexico’s nine original territorial counties. The name means “upriver” in Spanish, referring to its position on the upper Rio Grande.
Business & Permits
BUILDING & PERMITS
Office: Rio Arriba County Courthouse – Tierra Amarilla, NM 87575; designed by architect Isaac Rapp, built 1916-17.
Notes: Rio Arriba County is genuinely, world-famously home to Ghost Ranch near Abiquiú – the 21,000-acre retreat where artist Georgia O’Keeffe lived and painted for decades starting in 1934, a U.S. National Natural Landmark since 1975. In 1947, paleontologist Edwin Colbert discovered over 1,000 well-preserved fossilized skeletons of the small dinosaur Coelophysis in a quarry there – one of the most significant dinosaur fossil finds in the world. O’Keeffe’s actual home and studio in Abiquiú, occupied 1949 until shortly before her 1986 death, is preserved as a museum. Abiquiú was genuinely the third-largest settlement in the Spanish province of Nuevo México in the 1730s.
Veterans Services
VETERANS SERVICES
Office: Rio Arriba County Veterans Service – confirm current contact via rio-arriba.org. Healing America’s Heroes, a veteran equine-therapy nonprofit, is based in Tierra Amarilla, PO Box 592, (575) 756-8557.
Federal: Albuquerque VA Medical Center (long distance).
Libraries
LIBRARIES
Confirm current public library address/hours via rio-arriba.org. Ghost Ranch itself maintains a 12,000-volume library open to visitors and program participants.
Parks & Recreation
PARKS & RECREATION
Key Assets: Ghost Ranch, the Georgia O’Keeffe Home and Studio in Abiquiú, Abiquiu Lake, Echo Amphitheatre, and the Cumbres & Toltec Scenic Railroad (Chama) are the county’s premier attractions.
Notes: The genuine Georgia O’Keeffe/Ghost Ranch heritage and the significant Coelophysis dinosaur fossil discovery are among the most distinctive artistic and scientific facts covered anywhere in this project.
GIS & Maps
GIS & MAPS
Appraisal/Parcel Search: Rio Arriba County Assessor – confirm current contact via rio-arriba.org.
Animal Services
ANIMAL SERVICES
Española Humane (formerly Española Valley Humane Society, operated by Northern New Mexico Animal Protection Society) – Española, NM 87532 | (505) 753-8662 | Fax: (505) 753-6911 | [email protected]; open-admission shelter serving the City of Española, Rio Arriba County, and the Pueblos of Santa Clara, San Ildefonso, and Ohkay Owingeh; roughly 68 dog and 40 cat capacity; offers low-cost spay/neuter and free veterinary care for underserved residents.
Rio Arriba County Animal Control – 1122 Industrial Park Rd, Española, NM 87532; Animal Control Officer Cipie Maez.
Environmental & Waste
ENVIRONMENTAL / WASTE MANAGEMENT
Office: Rio Arriba County – confirm current contact via rio-arriba.org.
NOTES: Rio Arriba County is the first county in the New Mexico v3 A+ sourced redo’s fourth batch (Rio Arriba, Roosevelt, San Juan, San Miguel, Sandoval, Santa Fe, Sierra). The genuine Georgia O’Keeffe/Ghost Ranch heritage and significant Coelophysis dinosaur fossil discovery are among the most distinctive local facts covered anywhere in this project. All contact information above was sourced via web search as of early August 2026 and should be reconfirmed directly with the relevant office before a visit, deadline-sensitive filing, or emergency-adjacent decision.
About Rio Arriba County
Rio Arriba County occupies the northern New Mexico high country – the mountains, mesas, and river canyons between Española and the Colorado border – at elevations ranging from 5,500 to more than 13,000 feet. The county is one of the most geographically dramatic in New Mexico and one of the most historically complex. Spanish settlement dating to the seventeenth century established land grant communities – Tierra Amarilla, Abiquiú, Alcalde – that have maintained Hispanic cultural traditions, acequia irrigation systems, and communal land practices for centuries. The 1967 courthouse raid at Tierra Amarilla by Reies López Tijerina and his Alianza Federal de Mercedes, demanding return of Spanish land grants to Hispanic families, was one of the most dramatic episodes in the American civil rights era and remains a defining event in northern New Mexico’s land tenure politics.
The county’s landscapes include the Jicarilla Apache Nation, which occupies the county’s western portion and operates the Jicarilla Game and Fish Department, one of the most successful tribal wildlife management programs in the country. Ghost Ranch (where Georgia O’Keeffe lived and painted) in the red-rock country near Abiquiú is a significant cultural site. The Rio Grande del Norte National Monument and the Rio Chama Wild and Scenic River corridor draw river rafters and nature visitors. The county’s economy is a mix of government employment, tribal operations, tourism, and the persistent small-scale agriculture of the acequia communities.
All Services
Browse every category and topic available for this county.
New Mexico assesses property at approximately one-third of market value. Property owners may appeal to the County Assessor and State Taxation and Revenue Department. New Mexico offers senior property tax rebates for qualifying low-income residents 65 or older. New Mexico has no estate or inheritance tax. Note: community land grant tracts held collectively or in Spanish grant tenancy may not pass through standard New Mexico probate – succession for these interests requires specific legal counsel familiar with New Mexico land grant law.
Courts & Legal
Courts & Legal
SENIOR SERVICES
Aging and Long-Term Services Department – Area 1 (North Central New Mexico)
Española area contact: (505) 753-3405
Senior transportation, Meals on Wheels, caregiver support, and long-term care counseling for Rio Arriba County residents.
Senior Services
Aging and Long-Term Services Department – Area 1 (North Central New Mexico)
Española area contact: (505) 753-3405
Senior transportation, Meals on Wheels, caregiver support, and long-term care counseling for Rio Arriba County residents.
Marriage & Vital Records
Marriage licenses, divorce records, and birth & death certificates are handled by the following office(s):
COUNTY CLERK
7 Main St., Tierra Amarilla, NM 87575
(575) 588-7724
COUNTY CLERK — ELECTIONS
7 Main St., Tierra Amarilla, NM 87575
(575) 588-7724
Genealogy
PRIMARY STATEWIDE RESEARCH CENTERS (same across all New Mexico counties)
New Mexico State Records Center and Archives, 1205 Camino Carlos Rey, Santa Fe, NM 87507.
New Mexico Genealogical Society, P.O. Box 8283, Albuquerque, NM 87198.
County-level record sources
Rio Arriba County Probate Court, Española (probate case files – see Probate section above).
The 1916-17 Rio Arriba County Courthouse in Tierra Amarilla, designed by Isaac Rapp, is a significant local landmark.
Local societies
No dedicated Rio Arriba County genealogical society was confirmed in available directories.
Probate & Estate
Losing someone and having to deal with courts and paperwork at the same time is hard. This section won’t make that easier, but it should tell you what to expect, what it costs, and where to go – so at least you’re not walking in blind.
Where to go
Rio Arriba County Probate Court 1127 Santa Clara Peak Road, Española, NM 87532 (505) 753-2532
Rio Arriba County was founded in 1852, its name meaning “upriver” in Spanish, in north-central New Mexico. Its seat is Tierra Amarilla, though Española is the county’s largest city and where the probate office is located. The 1916-17 Rio Arriba County Courthouse in Tierra Amarilla was designed by architect Isaac Rapp.
Step 1: figure out which path applies
New Mexico adopted the Uniform Probate Code. New Mexico has a dual court system: the county PROBATE COURT handles informal, uncontested probate matters with minimal court involvement, and has concurrent jurisdiction with the DISTRICT COURT over informal proceedings. The District Court alone handles formal probate – contested cases, determinations of heirship, and trust matters.
Small Estate Affidavit / Affidavit of Successor in Interest (N.M. Stat. § 45-3-1201) – available when the value of the entire estate (after liens and encumbrances) does not exceed $50,000 and does NOT include any real property. At least 30 days must have passed since death. This skips probate court entirely – the affidavit is presented directly to banks, the DMV, or other institutions holding the property.
Homestead Transfer Affidavit for Surviving Spouse (N.M. Stat. § 45-3-1205) – available 6 months after death, when the surviving spouse and decedent owned a homestead as community property valued at $500,000 or less (for property tax purposes). The affidavit is recorded with the county clerk and can avoid formal probate for the residence, but only if funeral expenses, expenses of last illness, and all unsecured debts have already been paid.
Informal Probate – the most common path for uncontested estates, filed with either the Probate Court or the District Court in the county where the decedent was domiciled. No hearing required.
Formal Probate – required for contested cases, disputes over heirship, or trust matters. Only the District Court can hear these.
Step 2: filing for informal or formal probate
File a petition with the Probate Court or District Court in the county where the decedent was domiciled. A probate may be started up to 3 years after death.
The court appoints the personal representative and issues Letters Testamentary or Letters of Administration.
The personal representative notifies creditors; New Mexico’s creditor claim period is 2 months from notice to creditors – one of the shortest in the country.
The personal representative inventories the estate’s assets, pays debts and expenses, and distributes the remaining assets according to the will or New Mexico’s intestacy statute.
The estate is closed, typically within 6 to 12 months for straightforward, uncontested cases.
What it costs
The filing fee for probate in Probate Court is generally around $30 – notably lower than in most states. District Court filing fees run higher, commonly $100–$232 depending on the county and complexity.
New Mexico does not set a fixed statutory percentage for personal representative compensation; courts typically look to a reasonable guideline of about 2–4% of the estate’s value.
New Mexico has no state estate tax and no state inheritance tax. Only the federal estate tax could apply, and only to very large estates.
Probate filings, estate administration, and guardianship matters are handled by the following office(s):
Public Safety & Arrests
Arrest records, inmate search, and law enforcement services are handled by the following office(s):
SHERIFF
7 Main St., Tierra Amarilla, NM 87575
(575) 588-7049
Elections & Voting
Voter registration, polling locations, and elections information are handled by the following office(s):
COUNTY CLERK — ELECTIONS
7 Main St., Tierra Amarilla, NM 87575
(575) 588-7724
ELECTIONS
7 Main St., Tierra Amarilla, NM 87575
(575) 588-7724
Health & Human Services
Offices & Contacts
Health services, social services, and assistance programs are handled by the following office(s):
NM HSD — Rio Arriba
(505) 685-4416
Española Hospital
presbyterian.org (Española — quality community hospital; Rio Arriba's primary hospital anchor)
Public Health Information
PUBLIC HEALTH
Office: Rio Arriba County Public Health – confirm current contact via rio-arriba.org.
Editorial independence: CountyOffices maintains strict editorial independence from our affiliate partners. Our content is researched from official government sources. Affiliate relationships do not influence our recommendations or the information we publish.
Editorial Trust
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Last verified June 2026
County Facts
County Seat: Tierra Amarilla
Population: 38,000
Area: 5,858 sq mi
Established: 1852
Tier: 4
Inmate Services
Care Packages
Send care packages to inmates in Rio Arriba County facilities via Amazon.
