Thomas Aragon, Assessor

P.O. Box 344
400 Gasper St
San Luis, Colorado, 81152

Phone: (719)-937-7670
Fax: (888)-709-5722


Office Hours: M-Th 7am-5:30pm

Version: 2023.3.20

Welcome to Costilla County, CO EagleWeb

The information contained herein is believed to be accurate and dependable. However, no warrantees implied or expressed exist regarding the veracity of the data. Indicated taxable values are for assessment purposes only and may or may not reflect the estimate of current market value by this office. Please contact us if you have any questions regarding the use of this application.

Costilla County Assessor's Office