Plan record
Plan 4 is a pre-approved ADU plan from City of Concord ADU Program. The public source lists it as 650 sq ft, 1 bed, and 1 bath. It originated in the Concord, Contra Costa County, California, USA program. This directory currently shows acceptance in Concord, Contra Costa County, California, USA. Source context comes from www.cityofconcord.org, last checked Aug 21, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.
Source-backed summary
Plan 4 is a pre-approved ADU plan from City of Concord ADU Program. The public source lists it as 650 sq ft, 1 bed, and 1 bath. It originated in the Concord, Contra Costa County, California, USA program. This directory currently shows acceptance in Concord, Contra Costa County, California, USA. Source context comes from www.cityofconcord.org, last checked Aug 21, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.
Details
Plan notes
Source and evidence
Accepted-in locations
1 accepted location