10 of Washington State's most expensive ZIP codes are in King County, with Medina and Mercer Island making the top 100 US list.

All ten of Washington State's most expensive ZIP codes are in King County, per PropertyShark's analysis of residential transactions. Medina and Mercer Island are the only state ZIP codes in the top 100 most expensive in the U.S., with Medina ranking in the top 15. The cost of living in these areas reflects significant property value disparities, highlighting King County's status as a high-cost region.

October 20, 2024
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