Is Mattawa, WA 99349 a buyer’s or seller’s market?

The Mattawa housing market right now

In the three months ending August 31, 2026, 11% of homes in Mattawa, WA 99349 sold above their list price, the typical home went under contract in 106 days and there were 7.8 months of supply. More than six months of supply favors buyers, who usually have more time and more room to negotiate. With only 9 sales, these figures can swing a lot from month to month.

Compared with the same period a year earlier, the share selling over asking fell from 33%, homes sold faster (119 days then) and the median sale price rose 46% to $524,773. Overall, Mattawa is less competitive than a year ago, which gives buyers more room.

Within Grant County, homes here sell more slowly than in 87% of the county’s ZIP codes, and sell more often over asking than in 50%.

Nearby, buyers who want less competition could look at Hartline 99135 (0% sold over asking) or Electric City 99123 (0% sold over asking), while Royal City 99357 (36% sold over asking) and Ephrata 98823 (24% sold over asking) are even more competitive.