Image from the LADBS listing
Footprint, to scale
About 21 × 14 ft, from 280 sq ft
Plans · LA City · Detached ADU
ADU90: studio, 400 sq ft pre-approved ADU by ADU Garage Designs
A studio, one-story ADU of 400 sq ft, approved by LADBS as a standard plan.
On your property
Enter your address and we draw ADU90 to scale behind your home, 4 ft from the side and back, with the driveway kept open.
Footprint of about 25 × 17 ft, estimated from the listed 400 sq ft on one story. The plan set from ADU Garage Designs has the exact dimensions.
About this plan
Interior living space400 sq ft
BedroomsStudio
BathroomsNot listed
Stories1
FootprintAbout 25 × 17 ft
Approved byLADBS, Standard Plan Program
Kind of homeDetached ADU
City impact feesNone (750 sq ft or less)
Plan set feeSet by the firm
Last checkedNovember 6, 2026
LADBS listing: code cycle 2023, plan number B25LA42307. Read November 6, 2026.
Using a pre-approved plan, the city reviews only how the ADU sits on your property: setbacks, utilities and the foundation for your soil.
Similar plans
Image from the LADBS listing
Footprint, to scale
About 17 × 13 ft, from 401 sq ft