Service
ADU Structural Engineering
Detached, attached, and garage-conversion ADUs across the Bay Area.
Overview
Structural design for ADUs from the ground up — including garage conversions, attached additions, and detached units up to 1,200 sf.
Typical fee
From $2,800
Turnaround
2–3 weeks
Stamped by
CA Licensed PE
Plan check
Included
What's included
- · Detached ADUs
- · Garage conversions
- · Attached ADUs
- · Foundation + framing
- · Stamped structural calculations
- · Structural drawing sheets coordinated with your architect
- · Plan-check correction responses
- · Construction-phase RFI support
Who we work with
Homeowners directly, as well as architects, designers, and general contractors across the San Francisco Bay Area. We adapt our deliverables to whichever team owns the permit submittal.
Homeowners
Architects
Contractors
Have plans or photos to review?
Get a flat-fee quote within one business day.