
Land for Sale in Blanca, Colorado
23rd St, Blanca, CO 81123
This 4.79-acre property is located in Costilla County, Colorado, in the southern San Luis Valley near Blanca. The parcel consists of level, open terrain with no mapped flood hazard and dirt road access. The surrounding San Luis Valley is a high-altitude basin bordered by the Sangre de Cristo Mountains to the east and the San Juan Mountains to the west. Blanca is approximately 15 minutes away, Fort Garland about 21 minutes, and Alamosa about 37 minutes from the property.
The property is zoned Estate Residential, allowing one single-family residence with a minimum of 600 square feet of finished living space, including a kitchen and bathroom. Required setbacks are 25 feet from the front and side street, 10 feet from the rear, and 10 feet from interior side property lines. Detached garages and outbuildings must be at least 10 feet from side property lines. County permits, including applicable land use, construction, road access, and OWTS permits, must be obtained before development.
Water would need to be provided by a well, and a septic system will require an OWTS permit. Solar power or a generator can be used for an off-grid setup. Camping and RV use are permitted for up to 14 days within any three-month period, with a maximum of 56 days per year. Longer stays require a water source and septic system. Financing is available with no qualifying and no prepayment penalties.
Location
- Street address
- 23rd St
- County
- Costilla County
- Zip code
- 81123
- Community
- San Luis Valley Ranches
Property details
- Acreage
- 4.79 acres
- Zoning
- Estate Residential
- Access
- Public road
- Posted
Property taxes
- 2026
- $123
Legal description
UNIT B, BLOCK 7, LOT 6, SAN LUIS VALLEY, COSTILLA COUNTY, COLORADO
Details and features
Lot
- View
- Desert, Mountain
- Features
- Level
Listing history
| Date | Event | Price | Change | Source |
|---|---|---|---|---|
| Aug 13, 2026 | New listing | $3,999 | — | Property seller |










