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San Marcos New Listings Snapshot: Oct 14–20
By George Arnold Alexander III, MPA · Associate Broker · 2026-10-20
Deal of the Week

Deals of the Week by price quartile. The quartiles come from the last 12 months of closed sales here. Each pick has the top ALEX deal score in its price range.
Lower quartile: under $256,000
337 Trinity River HOLW, San Marcos TX 78666 · MLS #1966025
Listed at $178,999, 4 bed, 2 bath, 1,500 sq ft. Listed 10% below the ALEX valuation; 7% under the local price per sq ft; price reduced 14% from original.
See it on alex.realestate: https://www.alex.realestate/listing-detail/1187649556/337-Trinity-River-HOLW-San-Marcos-TX
Lower-middle quartile: $256,000 to $320,000
129 Little Prairie VLY, San Marcos TX 78666 · MLS #7030655
Listed at $298,499, 4 bed, 3 bath, 2,669 sq ft. Listed 10% below the ALEX valuation; 13% under the local price per sq ft; price reduced 14% from original.
See it on alex.realestate: https://www.alex.realestate/listing-detail/1184697010/129-Little-Prairie-VLY-San-Marcos-TX
Upper-middle quartile: $320,000 to $440,000
123 Lions Tail CV, San Marcos TX 78666 · MLS #3883854
Listed at $328,935, 3 bed, 2.5 bath, 1,960 sq ft. Listed 8% below the ALEX valuation; 15% under the local price per sq ft; price reduced 21% from original.
See it on alex.realestate: https://www.alex.realestate/listing-detail/1187669084/123-Lions-Tail-CV-San-Marcos-TX
Upper quartile: $440,000 and up
109 Possumhaw LN, San Marcos TX 78666 · MLS #1816646
Listed at $545,625, 4 bed, 3 bath, 3,050 sq ft. Listed 4% below the ALEX valuation; 9% under the local price per sq ft; price reduced 17% from original.
See it on alex.realestate: https://www.alex.realestate/listing-detail/1185026696/109-Possumhaw-LN-San-Marcos-TX
Key figures · San Marcos · September 2026
- 50 homes sold in San Marcos in September 2026 (down 26.5% on a year earlier).
- Median sale price: $342,500 (up 2.4% on a year earlier).
- Median price per square foot: $183.
- Median days on market: 74.
- Median sale price as a share of the original list price: 90.6%.
- 408 homes for sale now, about 6.2 months of supply at the pace of the last six months.
Source: Unlock MLS, September 2026. Homes only (single-family, condo, townhome). Information deemed reliable but not guaranteed.
Eighteen homes came on the market in San Marcos this week and remain for sale as of October 20, 2026. This new supply brings the median list price to $308,773 across 18 properties, with a median price per square foot of $179. These listings represent 4.4% of the 408 homes currently available in the city.
ALEX Intelligence analyzed this week's fresh inventory to identify the composition of new supply. Of the 18 newly listed homes, 11 were built within the last two years, indicating that new construction continues to drive a significant portion of weekly activity. The median living area for these new listings is 1,805 square feet.
This snapshot focuses strictly on the seven-day window from October 14 to October 20, 2026. It captures only homes that entered the market during this period and have not yet sold or been withdrawn. The data reflects current listing activity rather than closed sales or historical trends.
The page displays the full list of these 18 properties immediately following this summary, including addresses, MLS numbers, and listing details.
New on the market (8 of 18 shown):
534 Spanish Clover TRL, San Marcos, TX · MLS #6500549
Listed Oct 20 at $890,000. 4 bed, 2.5 bath, 2,628 sq ft. Listed by Realty Texas LLC.
See it on alex.realestate: https://www.alex.realestate/listing-detail/1191088022/534-Spanish-Clover-TRL-San-Marcos-TX
260 Elk Ave, San Marcos, TX · MLS #1793288
Listed Oct 20 at $307,990. 3 bed, 2 bath, 1,726 sq ft. Listed by ERA Experts.
See it on alex.realestate: https://www.alex.realestate/listing-detail/1191089128/260-Elk-Ave-San-Marcos-TX
2500 Rolling Oaks, San Marcos, TX · MLS #9655740
Listed Oct 19 at $550,000. 3 bed, 2 bath, 2,034 sq ft. Listed by Keller Williams Wimberley.
See it on alex.realestate: https://www.alex.realestate/listing-detail/1188386843/2500-Rolling-Oaks-San-Marcos-TX
133 Horseherb WAY, San Marcos, TX · MLS #9845553
Listed Oct 19 at $356,990. 4 bed, 2.5 bath, 1,980 sq ft. Listed by LPT Realty, LLC.
See it on alex.realestate: https://www.alex.realestate/listing-detail/1191049980/133-Horseherb-WAY-San-Marcos-TX
168 Little Prairie VLY, San Marcos, TX · MLS #5988958
Listed Oct 19 at $319,999. 4 bed, 3 bath, 2,669 sq ft. Listed by Keller Williams City-View.
See it on alex.realestate: https://www.alex.realestate/listing-detail/1191039903/168-Little-Prairie-VLY-San-Marcos-TX
109 Sage Meadows DR, San Marcos, TX · MLS #5579269
Listed Oct 19 at $300,000. 3 bed, 2 bath, 1,632 sq ft. Listed by Coldwell Banker D'Ann Harper.
See it on alex.realestate: https://www.alex.realestate/listing-detail/1191032965/109-Sage-Meadows-DR-San-Marcos-TX
112 Mountain Breeze RD, San Marcos, TX · MLS #8113286
Listed Oct 19 at $275,999. 4 bed, 3 bath, 2,157 sq ft. Listed by Keller Williams City-View.
See it on alex.realestate: https://www.alex.realestate/listing-detail/1191038707/112-Mountain-Breeze-RD-San-Marcos-TX
1133 Lago Vista ST, San Marcos, TX · MLS #1136032
Listed Oct 19 at $275,000. 2 bed, 2 bath, 1,641 sq ft. Listed by Realty of America, LLC.
See it on alex.realestate: https://www.alex.realestate/listing-detail/1191034000/1133-Lago-Vista-ST-San-Marcos-TX
Want to see this home? Call or text George at 713.918.9951 for a private showing.
Data from Unlock MLS. Information deemed reliable but not guaranteed. Model outputs are ALEX Intelligence estimates, not appraisals.
Read more Central Texas market data on the ALEX blog: https://alex-companies.com/blog
Source data: Unlock MLS listing activity, Oct 14 to Oct 20, 2026, n=18
Cover photo: San Marcos River by Larry D. Moore, CC BY 4.0, via Wikimedia Commons; darkened, cropped and text added.
Licensed by the Texas Real Estate Commission. Broker: Alexander Tiffany Southwest, LLC · License #565194-BB.
Diane Hart Alexander, Chair & CEO, ALEX Companies · Designated Broker · #574877-B · George Arnold Alexander III, Partner, ALEX Companies · Associate Broker · #574878-B
Texas Real Estate Commission Information About Brokerage Services · TREC Consumer Protection Notice · trec.texas.gov
Diane Hart Alexander, Chair & CEO, ALEX Companies · Designated Broker · #574877-B · George Arnold Alexander III, Partner, ALEX Companies · Associate Broker · #574878-B
Texas Real Estate Commission Information About Brokerage Services · TREC Consumer Protection Notice · trec.texas.gov










