Plan record

prefabADU 390 sf 1BR ADU

prefabADU 390 sf 1BR ADU is a pre-approved detached ADU plan from prefabADU. The public source lists it as 390 sq ft and 1 bed; bathroom count is not listed. It originated in the San Jose, Santa Clara County, California, USA program. This directory currently shows acceptance in San Jose, Santa Clara County, California, USA. Source context comes from City of San José (via Internet Archive), last checked May 4, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.

Pre-approved prefabADU Government PDF

Source-backed summary

What public sources list

prefabADU 390 sf 1BR ADU is a pre-approved detached ADU plan from prefabADU. The public source lists it as 390 sq ft and 1 bed; bathroom count is not listed. It originated in the San Jose, Santa Clara County, California, USA program. This directory currently shows acceptance in San Jose, Santa Clara County, California, USA. Source context comes from City of San José (via Internet Archive), last checked May 4, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.

Provider record
prefabADU

Details

Plan facts

Plan identifier
Not listed in source
Provider
prefabADU
Accepted locations
Status
Pre-approved
Size
390 sq ft
Bedrooms
1 bed
Bathrooms
Not listed in source
ADU type
Detached
Construction type
Prefab
Plan fee
Not listed in source
Estimated cost
Not listed in source
Last checked
May 4, 2026

Plan notes

Notes

Foundation notes
Not listed in source
Utility notes
Not listed in source
Energy notes
Not listed in source
Accessibility notes
Not listed in source
Permit fee notes
Not listed in source
Cost notes
Not listed in source
Additional notes
Not listed in source

Source and evidence

Preapproved ADUs | City of San José (Wayback Machine snapshot, May 15 2023)

Government PDF
Publisher
City of San José (via Internet Archive)
Source type
Official source
Reliability
Official government PDF (4/5)
Last checked
May 4, 2026
Accessed
May 4, 2026

Accepted-in locations

Accepted Locations

1 accepted location