How Long Does a Garage Conversion Take in Orange County?
Many homeowners ask how long it takes to convert a garage into a fully functional ADU.
The timeline varies depending on design complexity, permit approval, and construction requirements.
Typical Timeline
Design and Planning
2–4 Weeks
The project begins with measurements, floor plans, engineering, and design development.
Permit Approval
4–12 Weeks
Permit timelines vary by city. Irvine, Mission Viejo, Lake Forest, and Rancho Santa Margarita each have different review processes.
Construction
8–16 Weeks
Construction typically includes:
- Demolition
- Framing
- Plumbing
- Electrical
- HVAC
- Insulation
- Drywall
- Cabinets
- Flooring
- Final inspections
Total Project Duration
Most garage conversion ADU projects take approximately 3–6 months from design to completion.
Tips to Avoid Delays
- Hire an experienced ADU contractor.
- Complete design documents before submitting permits.
- Select finishes early.
- Maintain communication with the contractor throughout construction.
Jordan Remodeling helps homeowners streamline the entire process and minimize delays.
