UnlockMLS
  • Buy
  • Rent
  • Commercial
  • Find an Agent
    Price range
    $
    –
    $
    Bedrooms
    Bathrooms
    Home type
    Square feet
    –
    Lot size
    –
    Heating
    Cooling
    Parking spots
    Garage
    Year built
    –
    Max HOA
    Down payment assistanceDown payment assistance
    Tours
    More amenities
    1 home
      1 home available
      TBD SH 21, San Marcos, TX 78666
      NEW 3 hrs ago
      TBD SH 21, San Marcos, TX 78666
      $1,750,000
      3.84acres
      Multiple Lots for Sale

      TBD SH 21, San Marcos, TX 78666

      Listing by: McAllister & Associates
      1
      1 - 1 of 1 results
      UnlockMLS
      About UsPrivacy PolicyTerms of UseADADMCAReal Estate Sitemap
      4800 Spicewood Springs Rd., Austin, TX 78759
       support@unlockmls.com   512-454-7636
      © 2026 Unlock MLS
      Display of MLS Data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals.
      Equal opportunity
      Membio
      UnlockMLS
      TBD SH 21, San Marcos, TX 78666
      TBD SH 21, San Marcos, TX 78666

      TX/Hays/San Marcos/78666/TBD SH 21, San Marcos, TX 78666

      NEW 3 hrs ago
      $1,750,000
      3.84acres

      TBD SH 21, San Marcos, TX 78666

      Multiple Lots for Sale by Spence Collins, McAllister & Associates.

      Data checked -. Listing last updated 3 hours ago.
      1. Overview
      2. Details
      3. More 

      Vacant tract in the high-growth NE San Marcos corridor offering strong SH21 visibility and access. Proximity to San Marcos Regional Airport and surrounding development momentum supports commercial, light industrial, or mixed-use development potential. Survey on file. Water and Electricity available with no portion of the Property in the FEMA 100-year floodplain.

      Details
        Property type
      Land
        Year built
      –
        Heating
      -
        Cooling
      –
        Garage
      No
        Parking spots
      -
      6920151
      MLS ID
      Active
      Status
      03-11-2026
      On market date
        Subdivision
      C-SH21-AIR
      Levels  Levels
      –
        Laundry location
      –
        Roof
      –
        Fireplace
      No
        Pool
      No
        Pets allowed
        Basement
      –
      Interior features
      –
      Exterior features
      –
      Lot features
      Public Maintained Road
      Patio & Porch Features
      –
      Appliances included
      –
      Construction materials
      –
      Green Energy Efficient
      –
      Buyer Incentives
      None
      Seller Contributions
      Yes
      Monthly taxes
      -
      Yearly taxes
      -
      School district
      SanMarcosCONSISD
      Schools
      Mendez, Goodnight, San Marcos
      Senior community
      No
      Association Fee
      -
      Open Houses
      In-Person
      No upcoming in-person open houses
      Virtual
      No upcoming virtual open houses
      Contact Agent
      Spence Collins
      Spence Collins
      Real Estate Agent, McAllister & Associates
      Direct 
       
      Location
      Located on the west side of SH 21, approx. 200 feet south of the SH21 and Yarrington intersection.
      For Sale Nearby
      No nearby homes are For Sale Nearby.
      TBD SH 21, San Marcos, TX 78666, is a Multiple Lots (Adjacent) built in . This property is currently available for sale and was listed on Unlock MLS on 3-11-2026. The MLS# for this Multiple Lots (Adjacent) is MLS# 6920151.
      Display of MLS Data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals.
      Copyright ©2026 Unlock MLS