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Keenan Group#1 Austin Board of Realtors Team 2024
Tbd SH 21, photo 1 of 3, San Marcos, San Marcos, TX
Active

$1,349,237

3.84 acresLot

Tbd SH 21, San Marcos, TX 78666

Reduced 23%$1,750,000
San Marcos·MLS# 6920151·219 days on market

— bed, — bath on 3.84 acres in San Marcos. San Marcos, TX 78666. $1,349,237. SanMarcosCONSISD.

About This Home

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.

Property Type
Land
Lot Size
3.84 acres

Listing information last updated October 15, 2026.

Listed by McAllister & Associates

MLS# 6920151 • Active

IDX inquiries: Keenan Group at Compass · (512) 415-7653

Highlights

Generous 3.84-acre lot
Public Maintained Road
Vacant tract in the high-growth NE San Marcos corridor offering strong SH21 visibility and access
Water and Electricity available with no portion of the Property in the FEMA 100-year floodplain.

Facts & Features

Exterior & Lot

Lot Features

  • Public Maintained Road
Lot Size
3.84 Acres
Financial
Original List Price
$1,750,000
Utilities
  • Electricity Available
  • Water Available
Water Source
Public

Transaction History

1 record on file

Every recorded listing, sale, and lease at TBD SH 21, whoever represented it.

  1. ActiveListed 2026
    Current price: $1,349,237Original list: $1,750,000MLS 6920151

Prices shown are list prices. Closed sale prices are available to registered clients in accordance with ACTRIS rules.

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Price & Listing History

Listing timeline with current price, original ask, and market time.

View Timeline
Current list
$1,349,237
Original list
$1,750,000
Price movement
$400.8K reduction
Listed / DOM
Mar 11, 2026 · 219 days
Map showing Tbd SH 21
Tbd SH 21
Directions

Zoned Schools

SanMarcosCONSISD

1 High School1 Middle School1 Elementary School

San Marcos

High SchoolGrades 9-12Zoned assignment

Goodnight

Middle SchoolGrades 6-8Zoned assignment

Mendez

ElementaryGrades K-5Zoned assignment

Zoned assignments come from the property school fields available to us. District context schools are shown only when an assigned tier is missing. Contact the school district directly to verify current boundaries and enrollment eligibility.

Principal & interest
$7,473

Excluded from this estimate: property taxes, home insurance, and HOA dues. Each requires verified amount, cadence or unit, source, and as-of details.

20% ($270K)

Adjustable assumption - not a lending recommendation.

$1,349,237

Loan: $1.1M
Mortgage rate%
Payoff: ~2056
Rate source: Freddie Mac 30-year fixed average (PMMS via FRED), as of 2026-10-15
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Keenan Market Position

A sourced read on San Marcos pricing, timing, and property scale. No automated valuation claim.

List price

$1,349,237

Price per sqft

Not available

Vs. Neighborhood guide reference price

Not available

Days on market

219 days

Original to current

$400.8K reduction

$1.8M original

Active inventory context

Ask for current inventory

Source: MLS Grid / Unlock MLS and Keenan Group review as of Oct 15, 2026.

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Frequently Asked Questions

How much is Tbd SH 21?

Tbd SH 21 is listed at $1,349,237 with 0 bedrooms, 3.84-acre lot. This places it above the ZIP 78666 single-family closed-sale median price of $310,500 (ZIP 78666 geography · single-family closed sales · median sale price · trailing 12 months as of Oct 15, 2026).

What school district is Tbd SH 21 in?

Tbd SH 21 is zoned for SanMarcosCONSISD with assigned schools: Mendez (elementary), Goodnight (middle), San Marcos (high). School assignments should be verified directly with the district.

How should a buyer estimate the monthly payment for Tbd SH 21?

This page does not assume a mortgage rate or publish a monthly payment for Tbd SH 21. A property-specific estimate requires a current lender rate, chosen down payment, taxes, insurance, and any verified association dues.

How does Tbd SH 21 compare with other homes in San Marcos?

As of Oct 15, 2026, Tbd SH 21 is offered at $1,349,237. The current MLS snapshot shows 358 active listings in 78666. Keenan Group has completed 4 verified transactions in 78666 within its 1,000+ completed transactions and $1B+ career volume across Austin.

Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.

Why Choose the #1 Austin Board Team for San Marcos

#1 ABoR Team 20241,000+ Career SalesCompass Luxury Collection Specialist

#1 Austin Board of Realtors Team. 1,000+ homes sold and $1B+ in career sales over 25+ years in Austin.

25+ years advising buyers and sellers in this community

Unlock MLSMLS GRID

Listing courtesy of Unlock MLS as distributed by MLS GRID. Information deemed reliable but not guaranteed. Neither the listing broker nor Compass RE Texas, LLC shall be responsible for any typographical errors, misinformation, or misprints.

IDX information is provided exclusively 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. The data is deemed reliable but is not guaranteed by MLS GRID. Use of MLS GRID data may be subject to an end user license agreement prescribed by the applicable MLS, as amended from time to time.

Based on information submitted to MLS GRID as of 10/15/2026, 6:07:02 PM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

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Last updated: 10/15/2026, 6:07:02 PM

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