Cost of Living in Kennewick
Kennewick runs genuinely, relatively affordable within the Tri-Cities -- housing carries a real, disclosed spread of $410,000-$439,000 depending on source and property type -- layered with Washington's no state income tax and Kennewick's own combined 8.8% sales tax.
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Learn moreHousing: genuinely, relatively affordable within the Tri-Cities
Kennewick's median price ran $439,000 as of May 2026 per one citation, $432,000 as a trailing-3-month median per another, and $410,000 for single-family homes specifically as of July 2026 per a third -- all disclosed rather than reconciled. Homes in Kennewick are described as typically among the most affordable within the Tri-Cities area.
The broader Tri-Cities regional market for context
Per regional Realtor association data, the combined Tri-Cities region (Kennewick, Pasco, Richland, West Richland) posted a June 2026 median sale price of $445,000 with homes selling in a median of 20 days -- Kennewick's own figures run at or below this regional median.
Washington's no income tax and Kennewick's moderate combined sales tax
Washington levies no state personal income tax. Kennewick's combined sales tax runs 8.8% -- moderate relative to other Washington markets in this dataset (below Olympia's 10.0%, Bellingham's 9.2%, and Walla Walla's 9.1%, above Yakima's 8.5%).
The capital gains excise tax applies to high earners
Washington's capital gains excise tax (7% base, 9.9% above $1 million in gains) reaches a genuinely narrow share of taxpayers -- real estate and retirement accounts are exempt -- but is a real, current factor for high earners relocating to Kennewick.
Key takeaways
- Kennewick's housing ($410,000-$439,000) runs genuinely, relatively affordable within the Tri-Cities region.
- The broader Tri-Cities regional median ($445,000) runs at or above Kennewick's own figures.
- Kennewick's combined sales tax (8.8%) runs moderate relative to this build's other Washington markets.
- Washington's capital gains excise tax (7%-9.9%) applies to high earners statewide, including in Kennewick.
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