BELLEVUE, Wash. — Washington state's 10 most expensive ZIP codes all are congregated in the same county, a new report finds. King County is home to each of the most expensive areas in the state ...

Bellevue’s 98004 zip code ranked 88th with a median price of $1.9 million, and Sammamish’s 98075 zip code 90th with a median price of $1.87m to round out Washington’s top 100 entries.