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San Marcos, TX 78666 Housing Market

Data snapshot: August 26, 2026. Closed-sale window: last 6 months.
Texas is a non-disclosure state: sale prices are not part of the public record. Sold figures on this page reflect closings Resideline tracked directly, and should be read as a sample rather than a count of all closings.
San Marcos, TX inventory balance
Homes for sale vs homes under contract. Pending-to-active ratio: 0.85
ActiveActive listings: 5555PendingPending sales: 4747
San Marcos, TX: what sellers ask vs what buyers pay
Median asking price of current listings vs median closed sale price over the last six months
AskingMedian asking price (current listings): $370k$370kSoldMedian sold price (last 6 months): $329k$329k
What homes actually sell for in San Marcos, TX
Distribution of 338 closings Resideline tracked directly over the last six months (5th to 95th percentile). Middle half of sales: $279k to $449k
$199k to $261k: 51 sales$199k$261k to $323k: 97 sales97sales$323k to $385k: 66 sales$323k$385k to $447k: 23 sales$447k to $509k: 26 sales$447k$509k to $571k: 24 sales$571k to $633k: 9 sales$571k$633k to $695k: 9 salesMedian $329k

What the numbers say

As of August 26, 2026, Resideline is tracking 55 active listings and 47 pending sales in ZIP code 78666. That pending-to-active ratio of 0.85 points to a seller's market: buyers are absorbing inventory quickly relative to what is available.

The median asking price of current listings is $369,998, while the median of the 338 closings Resideline tracked directly over the last six months was $329,000. 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. The median active listing in 78666 has been on the market for 2 days.

Frequently asked questions

What is the median home price in 78666?

The median closed sale price in San Marcos, TX 78666 was $329,000 over the last six months, based on 338 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 $278,990 to $449,000.

Is 78666 a buyer's or seller's market?

Resideline is currently tracking 47 pending sales against 55 active listings in 78666, a pending-to-active ratio of 0.85. 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 seller's market.

Nearby ZIP code market data

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