San Marcos, TX 78666 Housing Market
- Active listings276currently for sale
- Pending sales15under contract
- Median asking price$367,045current listings
- Listing age59 daysmedian time Resideline has been seeing the current listings
- Closings tracked directly (6 mo)323a tracked sample, not a market total
- Median sold price$319,990last 6 months
- Middle half of sold prices$270k to $436k25th to 75th percentile
What the numbers say
As of September 10, 2026, Resideline is tracking 276 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 $367,045, while the median of the 323 closings Resideline tracked directly over the last six months was $319,990. 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 59 days.
Frequently asked questions
What is the median home price in 78666?
The median closed sale price in San Marcos, TX 78666 was $319,990 over the last six months, based on 323 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 $436,450.
Is 78666 a buyer's or seller's market?
Resideline is currently tracking 15 pending sales against 276 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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