Mattress Outlet Tukwila WA. Our friendly and knowledgeable bilingual sales staff will offer you assistance with your selections and needs. We have a large selection of mattresses, bedroom, living room, leather, kids furniture and more. We are a full line furniture store with a wide array of living rooms, bedrooms, matresses, area rugs, accents and much more. Large selection to chose from and most are in stock for immediate pick up.