Is Castle Rock, WA 98611 a buyer’s or seller’s market?

The Castle Rock housing market right now

In the three months ending August 31, 2026, 16% of homes in Castle Rock, WA 98611 sold above their list price, the typical home went under contract in 24 days and there were 4.1 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 26 home sales.

Compared with the same period a year earlier, the share selling over asking rose from 11%, homes sold faster (50 days then) and the median sale price fell 2% to $532,270. Overall, Castle Rock is more competitive than a year ago, so tougher for buyers.

Within Cowlitz County, homes here sell faster than in 88% of the county’s ZIP codes, and sell more often over asking than in 50%. On our competition score, Castle Rock ranks #189 of 298 WA ZIP codes with enough sales (score 51 out of 100).

Nearby, buyers who want less competition could look at Silverlake 98645 (0% sold over asking) or Ariel 98603 (0% sold over asking), while Toutle 98649 (50% sold over asking) and Longview 98632 (26% sold over asking) are even more competitive.