Top-Rated ADU Company in Orange County

Garage Conversions in Orange County.

Transform your unused garage into a stylish rental, home office, or guest suite.

• Permits and inspections fully handled

• Eco-friendly materials available

• Over 100 ADU and garage conversions completed

• Serving homeowners in Orange County

ADU Additions by Eco Home Builders

Boost your property value with custom Accessory Dwelling Units (ADUs) — perfect for income, family, or extra space.

• Designed by in-house architects

• Fully code-compliant with all permits included

• Green building options available

• Easy and affordable financing solutions

In-Law Suites – Private, Comfortable, and Local

Give loved ones their own space with custom in-law suites tailored to your home.

• Full-service design and construction

• Sustainable and energy-efficient builds

• From planning to final inspection – we handle it all

• Local experts serving Orange County

Bedroom & Guest Room Additions

Need more room? Add beautiful, functional bedrooms or guest suites to your home.

• Experienced team of builders and designers

• Permits, inspections, and plans all included

• Flexible financing options to meet your budget