Add More Living Space, Boost Property Value.

Top-Rated ADU Contractors in San Diego

20% OFF all Room Additions & ADU

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300+ five-star reviews

Adding a room to your home can be an excellent way to create more living space and increase the value of your property.

Voted #1 Room Addition and ADU Builders Business in San Diego, CA & Orange County, CA

Hello and welcome to Eco Home Builders! We specialize in a wide range of services to assist you in making the most of your living space. We can help you whether you want to add more square footage or reconfigure your current layout.

Garage Conversions in San Diego & 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 San Diego & 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 San Diego & 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

Limited Time Offer

When completing any ADU Remodeling project.

Expires: Discount only for this month.

Get 20% Off

FREE 3D Design & Remodeling

All Room Additions & ADU

Some Of Our Adu Room Addition Remodeling Projects

Some Of Our (Extremely) Happy Clients

Installation & Design Services We Offer

Rated 5 Stars By Locals!

FAQ

1. How long does an ADU project take?
Most ADU projects take 3 to 5 months, including design, permits, and inspections. Our experienced team ensures a smooth process from start to finish.
No need to hire anyone separately — Eco Home Builders provides full-service architectural planning, including permit-ready drawings and city approvals in both San Diego and Orange County.
We handle all necessary building, electrical, plumbing, and zoning permits. Our team works directly with city officials to keep your project on track.

Yes! We offer flexible financing options to make your project more affordable. Speak with our team to find a plan that fits your budget.

Absolutely. Eco Home Builders specializes in sustainable construction, offering energy-efficient windows, insulation, solar options, and more to reduce your carbon footprint and save on utilities.

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Adu Room Addition Remodeling Consultation

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