San Marcos, TX 78666 Housing Market
- Active listings279currently for sale
- Pending sales15under contract
- Median asking price$359,990current listings
- Listing age62 daysmedian time Resideline has been seeing the current listings
- Closings tracked directly (6 mo)310a tracked sample, not a market total
- Median sold price$324,500last 6 months
- Middle half of sold prices$270k to $440k25th to 75th percentile
What the numbers say
As of September 14, 2026, Resideline is tracking 279 active listings and 15 pending sales in ZIP code 78666. That pending-to-active ratio of 0.05 points to a balanced market: buyers have room to compare options and negotiate.
The median asking price of current listings is $359,990, while the median of the 310 closings Resideline tracked directly over the last six months was $324,500. Those two figures describe different sets of homes, so any gap between them reflects the mix of what is listed now versus what recently sold, not a negotiating discount. Resideline has been seeing the median active listing in 78666 for 62 days.
Frequently asked questions
What is the median home price in 78666?
The median closed sale price in San Marcos, TX 78666 was $324,500 over the last six months, based on 310 closings Resideline tracked directly. Texas is a non-disclosure state, so this is a tracked sample rather than all recorded closings. The middle half of those sales ranged from $269,990 to $439,900.
Is 78666 a buyer's or seller's market?
Resideline is currently tracking 15 pending sales against 279 active listings in 78666, a pending-to-active ratio of 0.05. Ratios of 0.6 or higher usually indicate a seller's market, 0.35 to 0.6 a competitive market, and lower values a more balanced one. By that yardstick, 78666 currently looks like a balanced market.
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