Costilla County

Region Summary

Costilla County was the first area of Colorado to be settled by European-Americans. Hispanic settlers from Taos, New Mexico, officially established San Luis on April 9, 1851. Costilla County was one of the original 17 counties created by the Territory of Colorado on November 1, 1861. The county was named for the Costilla River. Although San Miguel was originally designated the county seat, the county government was moved to San Luis in 1863.The county’s original boundaries had the county extend over much of south-central Colorado. Much of the northern portion became part of Saguache County in 1866, and the western portions were folded into Hinsdale and Rio Grande counties in 1874. Costilla County arrived at its modern boundaries in 1913 when Alamosa County was created from its northwest portions.[3]

Topography & Vegetation

Most of our listings in Costilla County are located within the Sangre De Cristo Ranches. The Sangre de Cristo Ranches were developed in the heart of the Sangre de Cristo Mountain range, with Mt. Blanca at over 14,000 feet highlighting the scenery. To the west, the San Luis Valley is a fertile High Plains Desert, roughly 7,500 feet above sea level. The landscape of the 44,000-acre Ranches consists of mostly sagebrush and Pinon at the lower elevations, and Aspen and various tall pine varieties above 9000 ft. The Ranches are located about 5 miles to the south and east of Fort Garland, Colorado.

Access & Survey

All of our listings are located within a legal subdivision and are zoned for residential use. All of our properties have also been surveyed and have road access directly to the lot.


Costilla County, CO, gets 9 inches of rain per year. The US average is 37. Snowfall is 21 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 56.

On average, there are 285 sunny days per year in Costilla County, CO. The July high is around 81 degrees. The January low is 3. Our comfort index, which is based on humidity during the hot months, is 74 out of 100, where higher is more comfortable. The US average on the comfort index is 44.


We offer a one-year exchange policy on all of our listings. The policy states that, after you have viewed your property in person, you may exchange it for another at any time within the first year.

Useful Links

Costilla County Wikipedia

This will give you great information about Costilla County, CO.

Sangre De Cristo Ranch Owners

A great site to get phone numbers, permit forms, and useful information regarding building and related services

Sangre De Cristo Wikipedia

This provides great information about Sangre De Cristo Ranches

Costilla County Site

The official web portal of Costilla County

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