Central-West Oregon to Northern Baja
"It is browsed moderately by mule deer. Small mammals eat the seeds. This species is primarily used by wildlife species for cover." 
"A decoction of the leaves was used to treat stomach troubles. Steam from an infusion of incense cedar bark was inhaled in the treatment of colds. The bark was used to make baskets and the twigs were used to make brooms.
Incense cedar is an attractive landscape tree that is excellent for large areas and formal plantings. This tree is a splendid park and large home-grounds species in climates suitable for them." 
"Incense cedar has aromatic wood that resists decay and insects. The wood is used as window sashes, sheathing under stucco or brick veneer construction, mudsills, fencing, greenhouse benches, and poles. It is also widely used for interior and exterior siding. The soft and pliable wood makes it one of the few species suitable for making pencils." 
 Moore, L. (2002). INCENSE CEDAR Calocedrus decurrens (Torr.). USDA NCRS Plant Guide. https://plants.usda.gov/plantguide/pdf/pg_cade27.pdf