Market Overview
Home Prices in San Marcos, TX
The median home value in San Marcos, TX is $310,919 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's down 4.1% compared to a year ago and down 4.9% from two years prior.
Compared to the U.S. national median of $410,000, homes in San Marcos are priced24% below average. San Marcos is part of the Austin-Round Rock-Georgetown, TX metro area.
Over the past five years, San Marcos home values have fallen by approximately1.4%, reflecting softening conditions in this market.
Price History
San Marcos Home Price Trend
City Comparison
San Marcos vs. National Median
At $310,919, homes in San Marcos cost 24% below the national median of $410,000. This makes San Marcos a relatively affordable market for buyers seeking value.
Affordability
What Does It Cost to Buy in San Marcos?
20% Down Payment
$62,184
on $310,919
Monthly P&I
$1,622/mo
30-yr @ 6.8%
Total Monthly Est.
~$2,060/mo
incl. taxes & insurance
Income Needed
$82,400
gross annual (30% rule)
10% Down Option
$31,092
+ PMI applies
Loan Amount (20% dn)
$248,735
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in San Marcos, TX?
The median home value in San Marcos is $310,919 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's down 4.1% year-over-year.
How much have home prices changed in San Marcos?
Over the past year, home values in San Marcos have decreased by 4.1%. Over five years, prices have fallen approximately 1.4%.
How much do I need to earn to buy a home in San Marcos?
To comfortably afford the median home price of $310,919 with a 20% down payment ($62,184) at today's rates (6.8%), you'd need a gross annual income of approximately $82,400. This assumes keeping total housing costs at or below 30% of gross income.
How does San Marcos compare to the national average home price?
The national median home value is approximately $410,000. At $310,919, homes in San Marcos are 24% below the national average.
What metro area is San Marcos part of?
San Marcos is part of the Austin-Round Rock-Georgetown, TX metropolitan area. Home prices and market conditions can vary across the broader metro region.