2026 Property Tax Due Dates
February 28
First half (or full by April 30)
June 15
Second half
Payment Methods
Online, Mail, In-Person
San Juan County Treasurer
Phone
(970) 387-5488Mailing Address
P.O. Box 368, Silverton, CO 81433
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to San Juan County Treasurer — P.O. Box 368, Silverton, CO 81433
In Person
Visit the Treasurer's office — 1557 Greene Street, Silverton CO 81433
About Property Taxes in Colorado
Colorado property taxes are administered at the county level. Property is assessed at its actual value (market value) as determined by the county assessor. Colorado conducts countywide reassessments every two years (odd years), meaning values are updated on a two-year cycle. Colorado has recently enacted significant property tax relief legislation to address rapid home value appreciation. The residential assessment rate — the percentage of market value that is taxable — has been reduced and is subject to legislative adjustment. Always confirm the current assessment rate with your county assessor, as it may change year to year.
Payment & Assessment
Colorado property taxes for the prior year are due in the current year. You have two options: Option 1 (single payment): Pay the full amount by April 30. Option 2 (two installments): Pay the first half by February 28, and the second half by June 15. A penalty of 1% per month applies to late payments. Taxes remaining unpaid for several years can result in a tax lien sale. Most Colorado counties offer online payment through the county treasurer's website. Payment by mail and in person is also available.
Statewide framework for Colorado. Your county's specific rates and deadlines are shown above.
Other Counties in Colorado
About San Juan County
San Juan County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 705, making it the least populous county in Colorado. The county seat and the only incorporated municipality in the county is Silverton. The county name is the Spanish language name for "Saint John", the name Spanish explorers gave to a river and the mountain range in the area. With a mean elevation of 11,240 feet, San Juan County is the highest county in the United States and also has the two highest elevation houses in the United States; the ‘Bonnie Belle’ above Animas Forks at 11,900’ – 11,950’ elevation and an unnamed house above Picayune Gulch at 12,000’ elevation.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Interested in Tax Sale Investing?
Many properties end up at auction when owners fall behind on taxes. These books cover how it works.
As an Amazon Associate, we earn from qualifying purchases.
Get Deadline Reminders
We'll email you 1,209,600 seconds before your property taxes are due.
Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.