Mill Valley Lumber Company 129 Miller Ave, Mill Valley, CA94941 The Mill Valley Lumber Company has been selling high-quality wood since 1892. It offers free delivery for all purchases…More and carries a huge selection of All Heart Redwood, Doug Fir and Pressure Treated wood. There is also a hardware store on site that sells power drills, hammers, saws and other implements. If you would like Kelleher Moulding or Primed Pine, Mill Valley Lumber Company can assist you as well. Be sure to mention its Web site and you'll receive a free carpenter pencil.