Top Rated Southern California ADU Builders.

We plan, permit, design, and build best-in-class Accessory Dwelling Units. Start with an easy home qualification. Completely free, no obligations.

Free home qualification

Our clients love us.

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5.0

Satisfied homeowners across Southern California

EcoSmart Builders are the real deal. In a world of bad contractors, this is the kind of operation you look for. Honest, professional, communicative, and always on your side.

Peter C.

EcoSmart Builders total expert in the ADU conversion process. I was in a time bind with regards to permitting a garage conversion, and they graciously and patiently assisted me with the details in the process.

Devlin R.

EcoSmart Builders designed a charming guest house that complemented the style/feeling of the original house. The house is so beautiful. People are surprised when they learn that the new house isn't original.

Allison G.

EcoSmart Builders did an excellent job at converting my two car garage into a master with its own private bathroom, a wet bar, patio area and a two-car carport. The project took few months to complete, but it was definitely worth it!

Holly C.

From our first meeting, they listened to our ideas, and our wish list, and based the design as envisioned. They worked quickly and diligently. We made sure it fit in beautifully with the neighborhood and respected our neighbors. They do what they say they will do, and more.

Budd P.

On time, great pricing, offered me advice on what to choose. I cannot say enough of how great this company and crew are! 5 stars!!

Michael E.

EcoSmart Builders are the real deal. In a world of bad contractors, this is the kind of operation you look for. Honest, professional, communicative, and always on your side.

Peter C.

EcoSmart Builders total expert in the ADU conversion process. I was in a time bind with regards to permitting a garage conversion, and they graciously and patiently assisted me with the details in the process.

Devlin R.

EcoSmart Builders designed a charming guest house that complemented the style/feeling of the original house. The house is so beautiful. People are surprised when they learn that the new house isn't original.

Allison G.

When it comes to building Accessory Dwelling Units they are the best! They waste no time getting down to it! They are friendly, and understanding. They listen to what our needs are and execute our ideas perfectly. I would definitely recommend them!

Dorothy L.

Everyone was very professional during the engagement with consistent communications from everyone keeping me updated on any changes to the scope. Their company is top notch and worked well to provide their opinions on what would work best for the property while still working to achieve our vision.

Rafael S.

My experience with EcoSmart Builders was fantastic! Our project was complete well before originally anticipated. We certainly will recommend them to any friends that have remodel needs!

Fernando P.

Overall had a great experience. The examination and estimate process went really well, and they gave me a great price on Garage conversions. The actual work began soon and was well within my expectations - the crew was very courteous throughout and the work.

Ernst C.

EcoSmart Builders did a wonderful job at our home. Highly recommended. Very efficient and communication was wonderful. We will definitely use them again for any future larger projects.

George F.

Extremely easy to work with, efficient and best of all very reasonable prices. EcoSmart Builders have got a good thing going on and they know how to deliver the best services in the industry.

Terence V.

When it comes to building Accessory Dwelling Units they are the best! They waste no time getting down to it! They are friendly, and understanding. They listen to what our needs are and execute our ideas perfectly. I would definitely recommend them!

Dorothy L.

Everyone was very professional during the engagement with consistent communications from everyone keeping me updated on any changes to the scope. Their company is top notch and worked well to provide their opinions on what would work best for the property while still working to achieve our vision.

Rafael S.

My experience with EcoSmart Builders was fantastic! Our project was complete well before originally anticipated. We certainly will recommend them to any friends that have remodel needs!

Fernando P.

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Build the ADU you want, how you want. It's that simple.

From evaluation and financing to post-construction, our full-service team handles everything so you have nothing to worry about.

Featured Project

Sherman Oaks, CA

Convert existing garage to large custom studio with all amenities.

We strive to deliver high-value spaces that blend beauty and function. Our clients receive sustainable construction solutions that solve needs today and exceed expectations tomorrow.