ADUs & retrofits
700 sq ft ADU Conversion — Los Angeles, CA
Summary
Detached garage to a permitted Junior ADU. Existing perimeter footing reused; new shear walls and a continuous chord tie were added to meet current lateral demand.
Scope of work
Existing
- Footing & slab survey
- Framing capacity check
- Soft-story screen
New work
- Shear wall layout
- Hold-down & chord design
- Header & ridge sizing
Compliance
- CBC 2022 lateral
- LA Tier 1 retrofit
- Inspection checklist
Constraints & objectives
Keep the existing slab and perimeter footing to control budget
Add lateral capacity without rebuilding exterior walls
Avoid a full soft-story retrofit by isolating new loads
What the client said
“They protected the budget by reusing what was already there instead of redrawing the whole foundation.”
— Design-build firm, LA