A1 ADU Contractor

Turning Spaces into a Beautiful, Functional ADU — Custom-Built by Experts with 15+ Years of Experience!

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All Reviews 5.0
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Yelp 5.0
Supian Sauri
Supian Sauri January 20
★★★★★

Team worker made the process painless. The garage door conversion turned out seamless . Thanks a lot good service

★★★★★

I had a stressful lockout situation late at night, but AJ Locksmith is a game-changer. I called their emergency number, and the person I spoke with was calm and courteous. The locksmith, Robert, called when he was on his way and arrived in under 20 minutes. He was extremely professional and friendly, taking one look at the situation and unlocking my door without damaging anything. The best part was that the final cost was exactly as quoted over the phone. No surprise charges or hidden here somsd. I would highly recommend this company to anyone in need of a reliable emergency locksmith.

LUIS JORGE
LUIS JORGE January 18
★★★★★

Professional team delivering solid ADU construction, clear communication, dependable timelines, and quality workmanship.

★★★★★

We hired this ADU builder for a garage conversion, and the entire process was seamless. Highly recommend them for any Accessory Dwelling Unit project!

★★★★★

Im glad that i used their service. They really retrofitted the place and it looks brand new. Very functional. And the price was spot on. Completely worth it. I am glad we contracted them

Ashey Murph
Ashey Murph October 23
★★★★★

My garage was just collecting junk, now it’s a fully functional rental unit. The quality of the work is impressive and the attention to detail really paid off. I would definitely hire them again.

Marcus
Marcus October 23
★★★★★

I can honestly say these guys know their craft. They transformed my cluttered garage into a beautiful ADU that looks like it was always part of the house. Everything was completed right on schedule.

★★★★★

The project added real value to our home. The garage door conversion gave us the base to create a small apartment for my parents. The team really cared about how it looked, not just how it worked. I’d happily use them again for another project. Thanks again!

★★★★★

I was skeptical at first because I’ve seen some bad garage conversions in the past. These guys proved me wrong with clean lines, solid work, and a perfect finish on the door conversion. The ADU doesn’t just function well, it looks amazing. Friends can’t believe how well it turned out.

★★★★★

The work was done with a lot of attention to detail. The old garage door opening was converted into something solid and stylish. I was surprised at how much this improved the overall look of the home. The new ADU is both practical and great looking.

tre Yelity
tre Yelity October 11
★★★★★

My garage was just sitting there collecting junk, so I went ahead and turned it into a small ADU. The door conversion was handled quickly and looks incredible. It no longer screams “old garage” but blends with the rest of the house. The extra living space is already paying off.

★★★★★

Turning my garage into a livable ADU space was something I’d put off for years, but these guys made it simple. They focused only on the garage door conversion and handled it like true pros. The finished look makes the space feel like a real home and not a converted garage. I’m beyond happy with the outcome.

Our ADU Services in Orange County and surrounding areas.

We specialize in transforming underutilized garages into:

We begin with a free on-site consultation to learn how you want to use your ADU — whether it’s for family, guests, rental income, or personal workspace. We listen closely to your lifestyle needs and budget so we can design a space that fits perfectly.

Drop Your Info and We Will Contact You.

Why Choose Us For The Job

Local Experts in Orange County
15+ Years of Proven Experience
One-Stop Solution: Design to Delivery

ADU Contractor Orange County: Our Thinking and Design Process

Our thinking and design process for ADU construction in Orange County is centered around your unique needs, lifestyle, and property. It all begins with a free consultation where we listen carefully to your vision—whether it’s building a rental unit, guest house, or personal workspace. From there, our expert design team creates a custom layout that maximizes space, functionality, and style, while ensuring full compliance with local zoning and building codes. We provide detailed 3D renderings so you can visualize your ADU before construction begins. Our team handles all permitting and paperwork to ensure a smooth, stress-free process. Once approved, our in-house professionals deliver high-quality craftsmanship and on-time construction—transforming your garage into a beautiful, fully livable space that adds lasting value to your home.

Serving All of Orange County and Surrounding Areas!

✅ Irvine | ✅ Anaheim | ✅ Santa Ana
✅ Huntington Beach | ✅ Fullerton | ✅ Costa Mesa …

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FAQ

Do you handle all the permits and approvals?

Yes, we take care of the entire permitting process, including architectural drawings, structural engineering, and submitting plans to your city or county for approval. You don’t have to worry about the paperwork—we’ve got it covered.

What types of ADUs do you build?

We specialize in garage-to-ADU conversions, detached ADUs, and custom living spaces such as studio units, one- and two-bedroom apartments, guest houses, and in-law suites. All designs are customized to your needs.

Can I use my ADU as a rental property?

Yes! Many homeowners in Orange County build ADUs to generate rental income. We ensure your ADU meets all legal requirements for rental use in your local area.

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★★★★★

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