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San Marcos, TX Real Estate & Property Data

San Marcos Real Estate Market Trends
Last Updated: September 27, 2025

Accurate and comprehensive real estate data is critical for insight into San Marcos, TX 78666. ATTOM’s San Marcos real estate data is updated daily, and current market trends show that in San Marcos, TX a total of 769 residential properties have sold over the past year. With a median home price of $331,250 in San Marcos and a total of 5 foreclosures. Get detailed property data for San Marcos, TX instantly. ATTOM is your one-stop-shop for the San Marcos property reports and real estate data you need in San Marcos, TX.

San Marcos Real Estate Market Trends
Get property data for any address in San Marcos, TX or the country:
Total Residential Properties 22,151
Total Commercial Properties 1,208
Avg. Home Age (Single Family Home) 19 Years
Avg. Square Feet (Single Family Home) 1,822
Total 2025 Residential Sales (year-to-date) 409
% of Homes Seriously Underwater (Q3 2025) 0.84%
Total 2024 Residential Sales 830
% of Equity Rich Homes (Q3 2025) 28.9%
Effective 2024 Property Tax 1.24%
Total Foreclosure Filings (year-to-date) 23
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San Marcos, TX 78666 Real Estate Overview

There were 769 residential properties sold in the past year in San Marcos, TX 78666. The median home value in San Marcos, TX 78666 is $359,491. There are a total of 22,151 residential properties in the 78666.

Median Sales Price i
$331,250
(Jul 2025)
-9.6%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 $331,250
  • June '25 Jun '25 $354,620
  • May '25 May '25 $348,291
  • April '25 Apr '25 $343,069
  • March '25 Mar '25 $350,000
  • February '25 Feb '25 $326,163
  • January '25 Jan '25 $280,056
  • December '24 Dec '24 $360,498
  • November '24 Nov '24 $299,899
  • October '24 Oct '24 $301,326
  • September '24 Sep '24 $368,986
  • August '24 Aug '24 $412,633
Median Down Payment i
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 N/A
  • June '25 Jun '25 N/A
  • May '25 May '25 N/A
  • April '25 Apr '25 N/A
  • March '25 Mar '25 N/A
  • February '25 Feb '25 N/A
  • January '25 Jan '25 N/A
  • December '24 Dec '24 N/A
  • November '24 Nov '24 N/A
  • October '24 Oct '24 N/A
  • September '24 Sep '24 N/A
  • August '24 Aug '24 N/A
Number of Homes Sold i
64
(Jul 2025)
-4.5%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 64
  • June '25 Jun '25 92
  • May '25 May '25 71
  • April '25 Apr '25 51
  • March '25 Mar '25 53
  • February '25 Feb '25 35
  • January '25 Jan '25 43
  • December '24 Dec '24 64
  • November '24 Nov '24 69
  • October '24 Oct '24 64
  • September '24 Sep '24 38
  • August '24 Aug '24 58
Number of Purchase Loans i
47
(Jul 2025)
-4.1%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 47
  • June '25 Jun '25 57
  • May '25 May '25 57
  • April '25 Apr '25 45
  • March '25 Mar '25 31
  • February '25 Feb '25 27
  • January '25 Jan '25 29
  • December '24 Dec '24 65
  • November '24 Nov '24 84
  • October '24 Oct '24 69
  • September '24 Sep '24 63
  • August '24 Aug '24 47
Number of REFI Loans i
30
(Jul 2025)
+7.1%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 30
  • June '25 Jun '25 50
  • May '25 May '25 47
  • April '25 Apr '25 40
  • March '25 Mar '25 40
  • February '25 Feb '25 28
  • January '25 Jan '25 32
  • December '24 Dec '24 27
  • November '24 Nov '24 28
  • October '24 Oct '24 38
  • September '24 Sep '24 19
  • August '24 Aug '24 24
Number of HELOC Loans i
9
(Jul 2025)
+350%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 9
  • June '25 Jun '25 6
  • May '25 May '25 5
  • April '25 Apr '25 12
  • March '25 Mar '25 4
  • February '25 Feb '25 N/A
  • January '25 Jan '25 7
  • December '24 Dec '24 9
  • November '24 Nov '24 6
  • October '24 Oct '24 1
  • September '24 Sep '24 7
  • August '24 Aug '24 7

San Marcos, TX 78666 Real Estate Market Overview

Last 30 days
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San Marcos, TX 78666 Foreclosure Activity

There were a total of 5 San Marcos, TX 78666 properties with a foreclosure filing in July 2025.

Total Foreclosure Filings i
5
(Jul 2025)
+25%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 5
  • June '25 Jun '25 5
  • May '25 May '25 2
  • April '25 Apr '25 2
  • March '25 Mar '25 3
  • February '25 Feb '25 4
  • January '25 Jan '25 2
  • December '24 Dec '24 5
  • November '24 Nov '24 1
  • October '24 Oct '24 4
  • September '24 Sep '24 2
  • August '24 Aug '24 1
Foreclosure Starts i
5
(Jul 2025)
+25%
year-over-year
y-o-y
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 5
  • June '25 Jun '25 5
  • May '25 May '25 2
  • April '25 Apr '25 2
  • March '25 Mar '25 3
  • February '25 Feb '25 4
  • January '25 Jan '25 2
  • December '24 Dec '24 5
  • November '24 Nov '24 1
  • October '24 Oct '24 4
  • September '24 Sep '24 2
  • August '24 Aug '24 1
Completed Foreclosures (REOs) i
List Graph
1 year 3 years Subscribe 5 years Subscribe
  • July '25 Jul '25 N/A
  • June '25 Jun '25 2
  • May '25 May '25 N/A
  • April '25 Apr '25 N/A
  • March '25 Mar '25 N/A
  • February '25 Feb '25 N/A
  • January '25 Jan '25 N/A
  • December '24 Dec '24 1
  • November '24 Nov '24 N/A
  • October '24 Oct '24 N/A
  • September '24 Sep '24 N/A
  • August '24 Aug '24 N/A
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