Topanga Lumber & Hardware Co. has moved from Glendale to a new and larger facility in Northridge, CA. Topanga Lumber & Hardware is a full service company catering to the Entertainment industry.They are a leading supplier of Lumber and Building Materials to film & television productions: Doors, Windows, Paint, Power Tools, Hand Tools, Moulding and, Hardware.Just added to their product line : Hardwoods, Birch, Maple, Melamine and more. Delivery Available.Great Prices & Service. Since 1945 In addition to supplying common building materials to the entertainment industry, Topanga Lumber has also supplied such items as 5000 Bing pong balls (on a Saturday), 10,000 chopsticks and 5000 pounds of baking soda!