Cost of Garage Conversion to ADU in Orange County (2026)
Converting an existing garage into an Accessory Dwelling Unit (ADU) is one of the most cost-effective ways to add living space and increase property value in Orange County.
Average Garage Conversion Cost
The cost of a garage conversion ADU depends on several factors, including size, existing conditions, design requirements, and permit fees.
Typical ranges in Orange County:
- Basic Garage Conversion ADU: $85,000 – $120,000
- Mid-Range Garage Conversion ADU: $120,000 – $160,000
- High-End Garage Conversion ADU: $160,000+
Factors Affecting Cost
Size of the Garage
Larger garages require additional framing, electrical work, plumbing, insulation, and finishes.
Bathroom Installation
Adding a bathroom significantly impacts the overall budget due to plumbing and waterproofing requirements.
Kitchen Construction
Kitchen cabinets, countertops, appliances, and utility connections are major cost components.
Utility Upgrades
Electrical panel upgrades, HVAC systems, and sewer connections may be required depending on the property.
Benefits of Garage Conversion
- Additional rental income
- Increased property value
- Housing for family members
- Faster construction compared to detached ADUs
Why Choose Jordan Remodeling
Jordan Remodeling specializes in Garage Conversion to ADU projects throughout Orange County. Our team provides competitive pricing, quality workmanship, permit assistance, and complete project management from design to completion.
