Is Prosser, WA 99350 a buyer’s or seller’s market?

The Prosser housing market right now

In the three months ending August 31, 2026, 17% of homes in Prosser, WA 99350 sold above their list price, the typical home went under contract in 124 days and there were 6.5 months of supply. More than six months of supply favors buyers, who usually have more time and more room to negotiate. That’s based on 43 home sales.

Compared with the same period a year earlier, the share selling over asking rose from 15%, homes sold more slowly (64 days then) and the median sale price fell 19% to $374,828. Overall, Prosser is less competitive than a year ago, which gives buyers more room.

Within Benton County, homes here sell more slowly than in any other ZIP code in the county, and sell less often over asking than in 75%. On our competition score, Prosser ranks #283 of 298 WA ZIP codes with enough sales (score 24 out of 100).

Nearby, buyers who want less competition could look at Kennewick 99338 (13% sold over asking), while Benton City 99320 (33% sold over asking) and Richland 99354 (19% sold over asking) are even more competitive.