Abundance probably limited by availability of nest-building materials. Well-developed understory at base of a single evergreen may be suitable for a single individual. May reduce activity on moonlit or rainy nights. The nest is defended against competitors. One to 5 litters per yr.
Females probably are promiscuous.
Other small mammals and amphibians and reptiles are known to use woodrat houses. Cattle grazing probably reduces carrying capacity for woodrats by removing cover. Wildfires and prescribed burning are likely to be detrimental by destroying houses. Ecology of rodents at the United States Naval Weapon Station, Seal Beach, Fallbrook Annex, San Diego County, California. M.A. Thesis, California State Univ., Long Beach.