WordNet (r) 3.0 (2006):

lumberyard
    n 1: a workplace where lumber is stocked for sale

Moby Thesaurus II by Grady Ward, 1.0:

59 Moby Thesaurus words for "lumberyard":
   archives, armory, arsenal, attic, bank, basement, bay, bin,
   bonded warehouse, bookcase, box, bunker, buttery, cargo dock,
   cellar, chest, closet, conservatory, crate, crib, cupboard,
   depository, depot, dock, drawer, dump, exchequer, glory hole,
   godown, hold, hutch, library, locker, lumber room, magasin,
   magazine, rack, repertory, repository, reservoir, rick, shelf,
   stack, stack room, stock room, storage, store, storehouse,
   storeroom, supply base, supply depot, tank, treasure house,
   treasure room, treasury, vat, vault, warehouse, wine cellar