When are property taxes due in Alamosa County, Colorado?

Alamosa 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 Alamosa County, Colorado?

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

How do I pay Alamosa County, Colorado property taxes?

You can pay Alamosa County property taxes via Online, mail, in-person.

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Alamosa County Property Tax Due Date

Name: Treasurer
Telephone: (719) 589-3626

Colorado

(719) 589-3626

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

Alamosa County Treasurer

Phone

(719) 589-3626

How to Pay

Online

Pay using credit card or e-check

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By Mail

Mail check payable to Alamosa County Treasurer

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In Person

Visit the Treasurer's office

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Other Counties in Colorado

Adams Arapahoe Archuleta Baca Bent Boulder Broomfield Chaffee

View all Colorado counties →

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