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Preapproved ADU

SONA
aging-in-place 625 sq ft, 1 bed 1 bath 
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Future-proof ADU design for families 🀍
  • 25'x25', Fits on most big lots 

  • Aging-in-place design features: curbless shower, floor heating (optional), accessible entrance (slab foundation)

  • Universal hip roof design: remain similar building height that blends in with the rest of the yard and main house

  • Accessibility friendly: extra large bedroom and bathroom, wheelchair friendly

  • ⁠Kitchen: optional island, great for multipurpose usages (office, parties, guest house)

  • Indoor Outdoor Living: big french doors & windows that offer great natural lighting 

  • Energy efficient design, therefore solar system not mandatory

Los Altos City preapproved ADU plan

Official Partner Cities with our preapproved plan
(expanding)

SONA is currently only in the process to be pre-approved in Los Altos city. It will soon be available in other cities as well.

 

Stay tune.

Architectural Plans & Structural Plans Included 

  • Foundation Plan

  • Framing Plan

  • Shear Walls

  • Roof Framing Plan

  • Structural Construction Details

  • Special Inspection Notes

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Floor Plan | Roof Plan | Exterior Elevation | Window & Door Schedules | Cross Sections | Fire Rating | Recommended Site Locations | Lighting & Electrical Plan | Specific Code Notes | Title 24 Energy Calculations | Mechanical System

Start building NOW.

Save the permitting fees and the long permitting time.

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