Is Round Rock, TX 78664 a buyer’s or seller’s market?

The Round Rock housing market right now

In the three months ending August 31, 2026, 10% of homes in Round Rock, TX 78664 sold above their list price, the typical home went under contract in 62 days and there were 5.4 months of supply. Four to six months of supply is a balanced market, where pricing and condition decide how much room there is to negotiate. That’s based on 137 home sales.

Compared with the same period a year earlier, the share selling over asking was about the same (11% then), homes sold more slowly (57 days then) and the median sale price fell 5% to $349,349. Overall, Round Rock is less competitive than a year ago, which gives buyers more room.

Within Williamson County, homes here sell faster than in 63% of the county’s ZIP codes, and sell more often over asking than in 63%. On our competition score, Round Rock ranks #554 of 868 TX ZIP codes with enough sales (score 20 out of 100).

Nearby, buyers who want less competition could look at Coupland 78615 (0% sold over asking) or Thrall 76578 (0% sold over asking), while Granger 76530 (25% sold over asking) and Austin 78729 (13% sold over asking) are even more competitive.