Do you accept postmarks?

Yes, we accept postal service postmarks showing the current year payment was mailed on the payment due date.  Postmarks are not accepted for payments intended to pay off a tax lien. Call the Treasurer's office for more information at (970) 453-3440 or send an email to

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1. How do I change my mailing address?
2. When are taxes due?
3. What is the fee for late payments?
4. I need to pay my property taxes but noticed there is a tax lien on my property. What now?
5. Will I lose my property if it goes to Tax Lien Sale?
6. What is the difference between real and personal property?
7. How can I verify if my taxes have been paid this year?
8. How can I obtain a receipt for last year's taxes?
9. How do I sign up for eNotices?
10. Do you accept postmarks?
11. I just purchased this property. Why am I being billed for last year's taxes?