Properties located in the Costilla County area will be placed in the CREN (Colorado Real Estate Network) MLS System.

The County’s seat, San Luis, is Colorado’s oldest town. The county was the first region in the state to be occupied by European-Americans, and one of the original 17 Colorado counties created in 1861.

Named for the Costilla River, is the ninth-least populous county in the state, home to 3,524 residents as of the 2010 census.

Costilla County TownsCostilla County

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Click here to visit the County Government website