SitePlanWorks

Accessory dwelling units

The most-drawn category in California and the one whose rules move most often. Everything here needs a full sheet set; two of those sheets need a licensed stamp we do not give.

6 styles on the same adu demo lot · lightest is Junior ADU at +2.7%

What sends these back: traced at the eave, judged at the wall.

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ADU 01Studio ADU+5.6%One room and a bath. The smallest unit that still counts as a dwelling.ADU 02One-bedroom ADU+6.3%Bedroom walled off from the living space. The most commonly permitted size.ADU 03Two-bedroom ADU+10.0%For family staying long term, or for rent.ADU 04Loft ADU+5.0%Small footprint, height instead of width. Good on a tight lot.ADU 05ADU over the garage+6.7%Sits on what is already built, so the yard stays a yard.ADU 06Junior ADU+2.7%Carved out of the existing house rather than added to the lot.