ChamberMaster Template Timber Gulch Construction Share: BuildersContractors - Licensed Construction Timber Gulch Construction Visit Website P.O. Box 484 Mt. Shasta, CA 96067-2003 (530) 261-0888 About About We are professional builders who pride ourselves in Old Fashioned Craftsmanship. Our services consist of new home construction, home additions, and remodels-big or small. We serve all of Siskiyou County.