Detached Sonoran ADU

Detached Sonoran ADU is a pre-approved detached ADU plan from Gustavo Silva & Logan Havens. The public source does not list square footage, bedrooms, or bathrooms, so confirm those fields with the official source before use. It originated in the Tucson, Pima County, Arizona, USA program. This directory currently shows acceptance in Tucson, Pima County, Arizona, USA. Source context comes from City of Tucson, last checked Aug 19, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.

Provider record

Gustavo Silva & Logan Havens

Origin program

Tucson, Pima County, Arizona, USA

Accepted location pages

• Tucson, Pima County, Arizona, USA

Plan identifier

Not listed in source

Provider

Gustavo Silva & Logan Havens

Origin location

Tucson, Pima County, Arizona, USA

Accepted locations

• Tucson, Pima County, Arizona, USA (Accepted)

Status

Pre-approved

Size

Not listed in source

Bedrooms

Not listed in source

Bathrooms

Not listed in source

ADU type

Detached

Construction type

Unknown

Plan fee

Not listed in source

Estimated cost

Not listed in source

Last checked

Aug 19, 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

Not listed in source

Cost notes

Not listed in source

Additional notes

Official Casita Model Plan Library entry.

Publisher

City of Tucson

Source type

Plan catalog

Reliability

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

Last checked

Aug 19, 2026

Accessed

Aug 19, 2026