Sell Your Lot in Wild Horse Mesa

Selling Land in Wild Horse Mesa: What to Know

Wild Horse Mesa is a large lot subdivision on a mesa south of San Luis in Costilla County, Colorado. County records list about 3,660 parcels, and most are about 2.5 acres. Very few have a home, and many owners live in other states.

EasyLotBuyer buys lots in Wild Horse Mesa for cash. We make an offer within 24 hours, charge no fees or commissions, pay the closing costs, and can close in as few as 7 days. We also buy lots with back taxes, liens, title issues or no road access.

Where Wild Horse Mesa is

The subdivision sits south of San Luis, the county seat, with CO 159 along its west side and Sanchez Reservoir to the east. County GIS shows it reaching from the base of the mesa near the highway up onto the mesa top. Lots fall in the San Luis ZIP code area, 81152.

Elevation changes a lot here. Lots near the base sit around 7,700 feet, and lots on top of the mesa reach about 8,700 feet. The plat divides the land into lettered sections, such as Section C, D, E, F and G. On your tax bill, the legal description starts with W.H.M., then the section, block and lot.

Lot sizes and what lots sell for

In the county parcel map, about 8 in 10 lots measure 2 to 4.5 acres, and most of those are close to 2.5 acres. About 500 lots are 1 to 2 acres, and a small number are under 1 acre or over 5 acres.

We did not find a public source that tracks sale prices for Wild Horse Mesa alone, so these are ZIP and county figures. Recent market data for ZIP 81152 (San Luis) shows a median land sale of $12,500 across 107 sales. Across Costilla County, lots of 2 to 5 acres had a median sale of $9,000 across 35 sales, and lots of 1 to 2 acres had a median of $9,750 across 34 sales. Land took about 152 days to sell on average. A lot on the mesa top with views and a usable road often draws more interest than one far from a maintained road.

Water and wells

There is no water system on the mesa. A home needs a private well or a buried cistern with hauled water. The Colorado Division of Water Resources (DWR) issues every well permit. On a small lot, an exempt well is usually limited to household use inside one home. Wells in subdivisions approved on or after June 1, 1972 get extra review, and the San Luis Valley's groundwater rules exempt only small wells that meet the state exempt well law.

We did not find a water augmentation plan for Wild Horse Mesa in state records. Look up your lot in DWR's Well Permit Search before you sell. If you use a cistern, Costilla County requires at least 500 gallons, buried below frost depth.

Roads, access and power

Interior roads are dirt and gravel, laid out on the plat. Some are rough or steep where they climb the mesa, so plan a visit for dry weather. Before you build a driveway on a vacant lot, Costilla County requires a Road Access permit unless one was issued before. The form lists a $200 fee.

The San Luis Valley Rural Electric Cooperative serves Costilla County. Most vacant lots have no power line, so owners use solar or ask the co-op about a line extension. If your lot has no legal or practical road, we still buy it.

Camping, RVs and building rules

We did not find an active owners' association for Wild Horse Mesa. Old deeds or plats may still carry recorded restrictions.

Costilla County rules apply to every lot. Staying in an RV or tent on the same parcel for more than 14 days total in any three months needs a Long-term Camping Permit. An RV may not serve as a full-time home or as storage. To live in an RV while you build, the county asks for a construction permit, a well permit or cistern, and an approved septic system that the RV hooks into.

A home needs a septic (OWTS) permit first; the new-permit fee is listed at $500. The home must be at least 600 square feet with a kitchen and a bathroom, one home per parcel. Manufactured homes must be 1976 or newer. The county does not enforce private covenants. Rules and fees change, so call Planning and Zoning at 719-937-7668 before you count on them.

Property taxes

The Costilla County Treasurer in San Luis sends the tax bill for Wild Horse Mesa lots. Pay half by the last day of February and half by June 15, or the full year by April 30. Late taxes add 1 percent interest per month. Check your balance on the Treasurer's page or call (719) 937-7672.

Unpaid taxes lead to a tax lien sale. The county holds it online each fall, and the 2026 sale starts November 3. The buyer of the lien does not own your lot. You can still redeem by paying the taxes, interest and costs until a treasurer's deed is issued. Read more on our Costilla County back taxes page. This is general information, not legal or tax advice.

How selling your Wild Horse Mesa lot to us works

Send us your parcel number, or the section, block and lot from your tax bill. We look up the lot, the road access, any well permit and any taxes owed. You get a cash offer within 24 hours. If you say yes, a title company handles the closing. We pay the closing costs, you pay no fees or commissions, and we can close in as few as 7 days. You do not have to visit the lot, and back taxes are paid from the sale at closing.

Want the bigger picture first? Read our Costilla County land guide or the Costilla County back taxes guide.