When are property taxes due in Costilla County, Colorado?

Costilla County property taxes are due February 28. A second installment is due June 15. This deadline applies to all counties in Colorado.

What is the penalty for late property tax payment in Costilla County, Colorado?

The late payment penalty in Costilla County is 1% per month after due date.

How do I pay Costilla County, Colorado property taxes?

You can pay Costilla County property taxes by mail to the county treasurer.

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Costilla County Property Tax Due Date

Name: Treasurer
Telephone: (719) 937-7672

Colorado

(719) 937-7672

2026 Property Tax Due Dates

Official Source

Installment 1

February 28

First half (or full by April 30)

Installment 2

June 15

Second half

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Penalty: 1% per month after due dateGrace period: None

Payment Methods

Online, Mail, In-Person

Costilla County Treasurer

Phone

(719) 937-7672

treasurer@costillacounty-co.gov

Mailing Address

P.O. Box 348, San Luis, CO 81152

How to Pay

Online

Pay using credit card or e-check

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By Mail

Mail check payable to Costilla County Treasurer — P.O. Box 348, San Luis, CO 81152

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In Person

Visit the Treasurer's office

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Other Counties in Colorado

Adams Alamosa Arapahoe Archuleta Baca Bent Boulder Broomfield

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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.