County Standard ADU Building Plans
To see if you live in one of the
unincorporated communities where our
fee waiver program and
pre-approved plans may be used, please
click here.
County standard ADU plan types are
arranged by square footage and layout. Please download and review all
associated documents with each plan set, and use the included
checklist to be sure all steps are completed prior to starting the
plan review process.
Floorplan Options
| Documents
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