King County, WA Housing Market

King County, WA's median home value is $867K, up 0.7% over the past year. Homes here sell in a median 36 days. Its PropertyIQ Score of 14 sits below the state average of 50, marking a market positioned to lag its state over the next three years.

PropertyIQ provides county-level market intelligence for King County, WA — going deeper than metro-area averages to reveal local demand dynamics. By tracking Zillow home-value momentum alongside Realtor.com market-flow signals — median days on market and the share of listings with price cuts — at the county level, PropertyIQ predicts which markets within WA are positioned to outperform.

Pacific Coast counties feature extreme price variation from coastal to inland areas. PropertyIQ scores at the county level reveal opportunities that get masked when analyzing entire metro statistical areas. Within the Pacific, King County, WA's PropertyIQ Score of 14 runs below the Pacific norm.

The PropertyIQ Score for King County, WA blends four proven demand indicators. When home values are gaining momentum, homes sell quickly, and few sellers cut prices, the score rises — signaling a market positioned to outperform its state. Historically, top-scored markets delivered significantly higher 3-year excess returns than bottom-scored markets.

Use PropertyIQ's analytics tools to evaluate King County, WA alongside other investment opportunities. The interactive map, county rankings, and AI-generated reports provide comprehensive market intelligence at the county level.