2025 California Standards for Accessible Design Guide (effective January 1, 2026)

11B-809.1.2 Viewing devices.

Where primary entry doors to residential dwelling units are provided with a viewing device for a standing person, the primary entry door to a residential dwelling units with mobility features shall also provide a lower viewing device 42 inches (1067 mm) minimum and 43 inches (1092 mm) maximum above the finish floor or ground, measured to the top of the device. The viewing device shall allow for a minimum 180 degree range of view.