- Origin program
- Monterey County, California, USA
- Source
- Accessory Dwelling Unit Plans and Information
- Last checked
- Jul 28, 2026
- Additional notes
- The two styles are selectable presentations of the same base floor plan and were not split.
Plan record
One Bedroom ADU
One Bedroom ADU is a pre-approved detached ADU plan from Monterey County Pre-Designed ADU Program. The public source lists it as 515 sq ft and 1 bed; bathroom count is not listed. It originated in the Monterey County, California, USA program. This directory currently shows acceptance in Monterey County, California, USA. Source context comes from County of Monterey, last checked Jul 28, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.
Source-backed summary
What public sources list
One Bedroom ADU is a pre-approved detached ADU plan from Monterey County Pre-Designed ADU Program. The public source lists it as 515 sq ft and 1 bed; bathroom count is not listed. It originated in the Monterey County, California, USA program. This directory currently shows acceptance in Monterey County, California, USA. Source context comes from County of Monterey, last checked Jul 28, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.
- Provider record
- Monterey County Pre-Designed ADU Program
- Origin program
- Monterey County, California, USA
- Accepted location pages
Details
Plan facts
- Plan identifier
- Not listed in source
- Origin location
- Monterey County, California, USA
- Accepted locations
-
- Monterey County, California, USA (Accepted)
- Status
- Pre-approved
- Size
- 515 sq ft
- Bedrooms
- 1 bed
- Bathrooms
- Not listed in source
- ADU type
- Detached
- Construction type
- Stick built
- Plan fee
- Not listed in source
- Estimated cost
- Not listed in source
- Last checked
- Jul 28, 2026
Plan notes
Notes
- Foundation notes
- Standard detail is a monolithic slab-on-grade; unsuitable soils or site conditions can require geotechnical work and a custom foundation.
- 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
- The two styles are selectable presentations of the same base floor plan and were not split.
Source and evidence
Accessory Dwelling Unit Plans and Information
- Publisher
- County of Monterey
- Source type
- Plan catalog
- Reliability
- Official city/county/state government source (5/5)
- Last checked
- Jul 28, 2026
- Accessed
- Jul 28, 2026
Accepted-in locations
Accepted Locations
1 accepted location