Prototype A

Prototype A is a prototype detached ADU plan from City of Pasadena ADU Standard Plans Program. The public source lists it as 374 sq ft, studio, and 1 bath. It originated in the Pasadena, Los Angeles County, California, USA program. This directory currently shows acceptance in Pasadena, Los Angeles County, California, USA. Source context comes from City of Pasadena, last checked Aug 13, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.

Provider record

City of Pasadena ADU Standard Plans Program

Origin program

Pasadena, Los Angeles County, California, USA

Accepted location pages

• Pasadena, Los Angeles County, California, USA

Plan identifier

Prototype A

Provider

City of Pasadena ADU Standard Plans Program

Origin location

Pasadena, Los Angeles County, California, USA

Accepted locations

• Pasadena, Los Angeles County, California, USA (Accepted)

Status

Prototype

Size

374 sq ft

Bedrooms

Studio

Bathrooms

1 bath

ADU type

Detached

Construction type

Unknown

Plan fee

$0

Estimated cost

Not listed in source

Last checked

Aug 13, 2026

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

Plan cost does not include site-specific permit, impact, utility, design, or construction costs.

Cost notes

Not listed in source

Additional notes

City-owned design available only to qualifying Eaton Fire red-tagged residential properties.

Publisher

City of Pasadena

Source type

Official source

Reliability

Official city/county/state government source (5/5)

Last checked

Aug 13, 2026

Accessed

Aug 13, 2026