Rio Grande County, ColoradoProperty records & tax offices

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
Third week of January 2027 (approximately); Rio Grande County's official Treasurer page states tax notices are mailed during the third week of January.
Payment deadline
For 2026 property taxes payable in 2027: first half due February 28, 2027; full payment due April 30, 2027; second half due June 15, 2027. Rio Grande County states delinquent interest is charged at 1% per month after missed deadlines.
Assessment appeal
May 1 through June 8, 2026 under Colorado's current standard real-property protest period; the official assessor page reviewed did not publish a separate 2026 cutoff.
More payment & deadline guidance →

Exemptions & appeals

View exemption application (opens in a new tab)
Exemption filing

July 15, 2026 under Colorado's Senior Homestead Exemption schedule; Rio Grande County's Assessor page publishes the short- and long-form application links.

Senior relief

Rio Grande County's official Treasurer information states that qualifying seniors receive, when funded, 50% of the first $200,000 of actual value of the primary residence. Colorado eligibility generally requires age 65+ as of January 1, 10 years of ownership, and 10 years of primary-residence occupancy; approved applicants generally need not reapply unless circumstances change.

For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.

More exemption & appeal guidance →