Lassen Co. It is found in coastal chaparral, desert scrub, washes, sandy flats and rocky areas. This is an active, diurnal snake. Occasionally, it takes refuge in bushes, rock crevices and the burrows of other animals. It has been found under objects.
Nothing is known about reproductive requirements.
Probably friable or sandy soil or the presence of rodent burrows are needed. Water is probably not required. In the milder months of spring it can be found throughout the day. In summer, activity is restricted to mornings and late afternoons. Snakes may be active all year in the southern part of the state during mild to warm weather.