Treasurer/Public Trustee


Lorraine Medina
County Treasurer

P.O. Box 348
San Luis, CO. 81152
Phone: (719) 937-7672
Fax: (719) 672-6024
Hours of Operation:
8:00 a.m. - 4:30 p.m.
Monday - Thursday
Occasional lunch closure


Annette Carino - Deputy Treasurer
Frances Rodriguez - Treas. Clerk/CTD Technician
Louise Segura - Treas. Clerk/Treas. Deed Technician
Abe Valdez - County Treas. Deed Technician
April Vialpando - Treas. Clerk

Use the link to the zeusauction website to register for the tax sale. At you can register for the site and the sale. Please note that you need to register for the website and the auction. Once registered for zeus, you will be able to review the property list and register for the sale.



Due to the severe and rapid spread of the CORONAVIRUS, and safety precautions The Treasurer's office will be closed to the public until further notice. We will be available Monday -Thursday from 8:00 a.m. to 4:30 p.m. to answer phone calls, take payments by phone, and answer any questions you might have.

Please pay your property taxes online, (2.5%) fee, mail in a check or money order.

I apologize for any inconvenience this may cause.

Phone# 719-937-7672

Costilla County Treasurer

PO Box 348

San Luis, CO  81152

Interested in property in Costilla County?
Contact Treasurer for information on tax lien sale list!