San Juan County, ColoradoProperty 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
- January 2027; San Juan County's official appeal page states tax notices are mailed each January; the exact 2027 date was not published.
- 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. San Juan County publishes these Colorado statutory installment dates.
- Assessment appeal
- May 4 through June 8, 2026; San Juan County's official appeal page identifies May 4 as the 2026 protest start and June 8 as the deadline.
- Rate information
- 1.9001% county tax rate published by San Juan County; property-specific total rates vary by taxing area. The county's 2026 abstract also illustrates 0.24% residential and 0.97% non-residential rates for Tax Area 101.
Exemptions & appeals
View exemption application (opens in a new tab)Exemption filing
July 15, 2026 for the Colorado Senior Homestead Exemption; San Juan County's exemption information identifies the senior deadline and county assessor process.
Senior relief
San Juan County follows Colorado's senior homestead program: generally age 65+ on January 1, ownership and primary-residence occupancy for at least 10 consecutive years, and 50% of the first $200,000 of actual value exempt when funded. Applications are generally due July 15.
Valuation limits
No annual assessment-growth cap published; San Juan County says state statutes require market-value appraisal and its appeal page states there is no current limit to how much value may increase.
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 →