Rio Arriba County, New MexicoProperty records & tax offices
Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.
Find the right property record
Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.
Tax bills & filing dates
These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.
- Tax bill mailing
- November 1, 2026; New Mexico county treasurers mail 2026 property-tax bills by November 1.
- Payment deadline
- First half due November 10, 2026; delinquent after December 10, 2026. Second half due April 10, 2027; delinquent after May 10, 2027.
- Assessment appeal
- File a petition with the county assessor within 30 days after the 2026 Notice of Value is mailed; if mailed April 1, 2026, the deadline is May 1, 2026.
Exemptions & appeals
View exemption application (opens in a new tab)Senior relief
Rio Arriba County states that owners age 65+ or disabled with household income of $44,200 or less may apply for a valuation freeze on a primary home; its 2026 Notice of Values are mailed by April.
Valuation limits
New Mexico NMSA 7-36-21.2 and 7-36-21.3 generally limit annual assessed-value growth for eligible residential property to 3%; statutory exceptions apply, and qualifying low-income owners age 65 or older or disabled may receive a valuation freeze.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.