The property is owned by the state of Washington and ... trips during peak hours. Costco Wholesale, the Issaquah-based warehouse club, is taking steps to secure a building permit for its future ...

Costco has purchased an office building less than a mile from its Issaquah headquarters for $20.3 million — the largest real-estate transaction in King County so far this year, according to ...

The three-building ParQ office park in Issaquah, previously known as 90 East, is now a condominium. Costco occupies all of the north building, at 21930 S.E. 51st St., and last week purchased it ...