State Highway 21
San Marcos, TX 78666
(on 3.84 acres)
Local Information
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Description
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.
Home Highlights
Parking
No Info
Outdoor
No Info
HOA
None
Price/Sqft
No Info
Listed
56 days ago
Home Details for State Highway 21
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MLS Status: Active |
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Appliances & Utilities Utilities: Electricity Available, Water Available |
Gas & Electric Has Electric on Property |
View View: See Remarks |
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Exterior Home Features Other Structures: NoneNo Private Pool |
Frontage Waterfront: NoneNot on Waterfront |
Water & Sewer Sewer: None |
Farm & Range Not Allowed to Raise Horses |
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Days on Market: 56 |
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Property Type / Style Property Type: LandProperty Subtype: Unimproved Land |
Building Not a New ConstructionHas Additional Parcels |
Property Information Parcel Number: 25118, 25117, 191508 |
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Price List Price: $1,750,000 |
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Direction & Address City: San MarcosCommunity: C-SH21-AIR |
School Information Elementary School: MendezElementary School District: SanMarcosCONSISDJr High / Middle School: GoodnightJr High / Middle School District: SanMarcosCONSISDHigh School: San MarcosHigh School District: SanMarcosCONSISD |
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Listing Agent Listing ID: 6920151 |
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Community Features: None |
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No HOA |
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Lot Area: 3.838 Acres |
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Special Conditions: Standard |
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Listing Terms: Cash |
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Mls Number: 6920151Attribution Contact: (512) 472-2100 |
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None |
Last check for updates: about 7 hours ago
Listing courtesy of Spence Collins, (512) 472-2100
McAllister & Associates, (512) 472-2100
Source: Unlock MLS, MLS#6920151
Also Listed on Unlock MLS.
Price History for State Highway 21
| Date | Price | Event | Source |
|---|---|---|---|
| 03/11/2026 | $1,750,000 | Listed For Sale | Unlock MLS #6920151 |
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Comparable Sales for State Highway 21
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
5.33 | Lot/Land | - | 09/15/25 | - | - | ||
5.66 | Lot/Land | - | 09/30/25 | - | - | ||
5.66 | Lot/Land | - | 09/02/25 | - | - | ||
6.23 | Lot/Land | - | 04/07/26 | - | - | ||
6.35 | Lot/Land | - | 02/06/26 | - | - | ||
6.99 | Lot/Land | - | 03/23/26 | - | - | ||
7.08 | Lot/Land | - | 09/19/25 | - | - | ||
7.18 | Lot/Land | - | 03/27/26 | - | - | ||
7.08 | Lot/Land | - | 05/27/25 | - | - |
Assigned Schools
These are the assigned schools for State Highway 21.
- San Marcos High School
- 9-12
- Public
- 2536 Students
4/10GreatSchools RatingParent Rating AverageThis school is not the place to go if you just moved to San Marcos i would highly recommend homeschooling if best, This school that my son goes to is an hot mess, the teachers do not care whatsoever about the kids i’ve seen the admin just ignore the students as i was enrolling my child into this school, the teachers let the kids be on their phone most of the time and doesn’t re direct at all towards the kids if the phones are out, this school is a whole circus i must add that when my child experience his 1st School shooter threat, he was frightened and that really says something about this horrendous school. Moving here and enrolling my some was a big mistake and coming from a big city to a so called “town” was one of the biggest mistakes that i have ever made in my life. i feel sorry for the ones who go here. I see the Reviews online about this school and it is true.Horrible Teachers, Unprofessional counselors, Admin's,Nurse's , etc.I regret moving here w/ my child.Parent Review1y ago - Travis Elementary School
- K-5
- Public
- 535 Students
4/10GreatSchools RatingParent Rating AverageI have a Autistic child at Travis along with 3 other kids at Travis Elementary. My children have attended many schools in different states through the military. TRAVIS is far above the best school, the teachers, the staff and the principal go far and above to make sure the children are getting what they need and are VERY accommodating to parents input and request. My children are doing wonderful at Travis.Parent Review8y ago - Miller Middle School
- 6-8
- Public
- 986 Students
4/10GreatSchools RatingParent Rating AverageThe bullying, which went mostly unnoticed, gave me the post-traumatic stress disorder from which I suffer today. I witnessed discrimination, not only against queer students, but against disabled students by the teachers. I loved a couple of my teachers, some of them were great. It isn't about one bad apple spoiling the bunch, the whole orchard was rotten from the roots.Other Review1y ago 
Check out schools near State Highway 21.
What Locals Say about Maxwell
At least 9 Trulia users voted on each feature.
91 % Say car is needed
87 % Say yards are well-kept
85 % Say it's quiet
82 % Say there's holiday spirit
75 % Say parking is easy
70 % Say there are sidewalks
69 % Say kids play outside
67 % Say people would walk alone at night
58 % Say neighbors are friendly
56 % Say it's dog friendly
55 % Say they plan to stay for at least 5 years
45 % Say there's wildlife
33 % Say there are community events
25 % Say streets are well-lit
Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Spence Collins, McAllister & Associates, (512) 472-2100
Agent Phone: (512) 472-2100
Based on information from Unlock MLS (alternatively, from ACTRIS) for the period through 2026-05-06 06:26:28 PDT. Neither the Board nor ACTRIS guarantees or is in any way responsible for its accuracy. All data is provided “AS IS” and with all faults. Data maintained by the Board or ACTRIS may not reflect all real estate activity in the market.
Information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some IDX listings have been excluded from this website. Click here for more information
Information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some IDX listings have been excluded from this website. Click here for more information
State Highway 21, San Marcos, TX 78666 is a lot/land. This property is currently available for sale and was listed by Unlock MLS on Mar 11, 2026. The MLS # for this home is MLS# 6920151.