2022 California Standards for Accessible Design Guide (effective January 1, 2023)

3104.2 Separate structures.

Buildings connected by pedestrian walkways or tunnels shall be considered to be separate structures.

Exceptions:

1. …

2. [DSA-AC and HCD 1-AC] For purposes of accessibility in residential facilities as required by Chapters 11A and 11B, structurally connected buildings, buildings connected by stairs, walkways, or roofs, and buildings with multiple wings shall be considered one structure.