Benton County, WA real estate

What the numbers say

Benton County, WA real estate at a glance

By AstroCore · Realtor.com, US Census and Freddie Mac data

In September 2026, the median home in Benton County listed for $499,950, down 2.8% from a year earlier. That is 22% below the Washington median of $639,475.

Homes spent a median of 58 days on the market, faster than 60 days a year ago. That makes Benton County the #8 fastest-selling of 22 Washington counties we track.

Homeowners in Benton County pay a median of $3,163 a year in property taxes on a median home value of $407,800, an effective rate of about 0.78%. The Washington average is 0.81%, which makes Benton County the #26 lowest-tax of 39 counties in the state with published tax data.

Renters pay a median of $1,306 a month, and $1,333 for a two-bedroom. At today's prices a typical home costs about 32 times a year's rent, which generally favors renting over buying in the short term.

With 20% down and today's 7.24% average 30-year rate, the monthly payment on a $500,000 home here comes to about $3,257 including property tax and insurance. Lenders typically want that to be under 28% of income, which works out to roughly $140,000 a year (the median household here earns $89,874).