Single Family Studio

Single Family Studio is a pre-approved detached ADU plan from BeQuall. The public source lists it as 371 sq ft, studio, and 1 bath. It originated in the Berkeley, Alameda County, California, USA program. This directory currently shows acceptance in Berkeley, Alameda County, California, USA. Source context comes from City of Berkeley (hosted by Community Planning Collaborative / ADU Accelerator), last checked May 4, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.

Provider record

BeQuall

Origin program

Berkeley, Alameda County, California, USA

Accepted location pages

• Berkeley, Alameda County, California, USA

Plan identifier

a0APk00000E1qfeMAB

Provider

BeQuall

Origin location

Berkeley, Alameda County, California, USA

Accepted locations

• Berkeley, Alameda County, California, USA (Pre-approved)

Status

Pre-approved

Size

371 sq ft

Bedrooms

Studio

Bathrooms

1 bath

ADU type

Detached

Construction type

Prefab

Plan fee

Not listed in source

Estimated cost

$225,000 to $250,000

Last checked

May 4, 2026

Foundation notes

Not listed in source

Utility notes

Not listed in source

Energy notes

All-electric

Accessibility notes

Not listed in source

Permit fee notes

Pre-approved designs receive 50% reduced building plan check fee per City of Berkeley.

Cost notes

Starting at $225,000 inclusive of unit, delivery, permitting, and standard site work.

Additional notes

HCD pre-approval (state). Full kitchen with stainless steel appliances. In-unit washer/dryer. Designer may not provide full additional services in this area.

Publisher

City of Berkeley (hosted by Community Planning Collaborative / ADU Accelerator)

Source type

Plan catalog

Reliability

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

Last checked

May 4, 2026

Accessed

May 4, 2026