Duplex + ADU Stack, image 1
Projects  /  Duplex + ADU Stack
ADU TypeDetached ADU + Above-Garage Duplex
Size1,200 sf duplex + 600 sf ADU
Bedrooms3× 1 BR / 1 BA
LocationSan Diego, CA
Permit Time6 months
Year2024

Duplex + ADU Stack

A duplex above garages plus a third ADU, three units, one site.

A more ambitious build for an investor-owner: a 1,200 sf duplex sitting above the garage line, plus a 600 sf detached ADU at the rear of the lot. Each unit is a self-contained 1 BR / 1 BA.

The trick was sequencing, getting all three units permitted as one cohesive submittal, instead of three separate fights with the city. We worked closely with the planner to keep the package clean.

Result: three legal rental units, one property line.

Project Highlights
  • Three rental units delivered on one lot
  • 1,200 sf duplex built above garages, no yard impact
  • 600 sf detached ADU rounds out the income stack
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