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Alamosa County Property Tax Due Date

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

Pay Taxes Online →
Penalty: 1% per month after due dateGrace period: None

Payment Methods

Online, Mail, In-Person

Alamosa County Treasurer

Treasurer

Amy McKinley

How to Pay

Online

Pay using credit card or e-check

Visit Website →

By Mail

Mail check payable to Alamosa County Treasurer

Visit Website →

In Person

Visit the Treasurer's office

Visit Website →

About Alamosa County

Alamosa County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 16,376. The county seat is Alamosa.

Source: Wikipedia — content available under CC BY-SA 4.0

Get Deadline Reminders

We'll email you 20,160 minutes 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.