Floor plans
Real ADU layouts at the three most-common sizes plus the most-common construction type. Each page shows three to five distinct floor plans with cost bands, room arrangements, and the trade-offs each layout asks of the homeowner.
400 sq ft layouts
Studios & compact 1BRs — smallest detached ADUs
Targeting: 400 sq ft adu
View 400 sq ft layouts800 sq ft layouts
The most-built ADU size — 1BR and 2BR options
Targeting: 800 sq ft adu
View 800 sq ft layouts1,200 sq ft layouts
Upper end of by-right size — 2BR suites and 3BR family
Targeting: 1200 sq ft adu plans
View 1,200 sq ft layoutsAbove-garage layouts
Stair-access plans over existing or new garages
Targeting: adu above garage
View Above-garage layouts