- 4 bd
- 2 ba
- 2,444 sqft

The average Grant County, WA home value is $355,493, down 0.4% over the past year, and homes go to pending in around 58 days. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $355,493
1-Year Value Change: -0.4%
(Data through September 30, 2026)
Zillow is more than a place to browse homes. It’s a place to connect with a local agent, explore financing solutions, schedule home tours, understand your buying and selling power, and more.
The median home value in Grant County, WA is $355,493 as of September 2026. This represents a 0.3% decrease compared to last month and a 0.4% decrease year-over-year.
The median home value in Grant County, WA ($355,493) compares to Washington ($587,533) and the U.S. national median ($366,157).
The cities with the highest median home values in Grant County, WA include: Mattawa ($437,014), Quincy ($423,927), Moses Lake ($360,400), Royal City ($344,336), Ephrata ($319,659). These cities represent the most expensive areas within the county.