The California Room has the following San José building permits:
- 1895-1900: Index
- 1910-1922: Index (Note: the index transcription for this period is incomplete. Further information, including permit application number, architect, contractor, building type and status, and the number of stories and rooms, can be found in the original ledger. See California Room staff for access.)
- 1920-1929: Index. Originals held by the Sourisseau Academy, located next door in the Special Collections area.
- 1926-1943: Index
- 1940-1986: Images of originals on microfilm.
Building permits from the 1950s to the present can be found at City of San José Online Building Permits.