Mattress Firm Lake Sammamish is located in Issaquah WA, Zip Code: 98027 on the street of 1810 12th Ave NW, Ste B. If you want to ask something about the furniture quality, mattresses sizes, catalog prices or any information, the Phone number is 425-369-1712. The coordinates that you can use in navigation applications to find Mattress Firm Lake Sammamish quickly are 47.55161 -122.05633 USA