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Once everything is in focus, the choice is clear. Quality built to last.

We are the ADU company for LA

Meet the Son Mex Team

Javier

Javier Founder & CEO

Residential Expert

With over 45 years of hands-on residential construction experience, Javier brings a lifetime of integrity and technical wisdom to every project. His deep-rooted knowledge of Los Angeles building standards ensures your home is built on a foundation of reliability.

Chris

Chris Project Manager

Site Operations

Chris is your first point of contact and will lead your free feasibility appointment to see what’s possible on your property. He manages the day-to-day work on every ADU, making sure the building process stays on track and meets our high standards for quality and honest work.

Monica

Monica Chief Financial Officer

Operations & Organization

Monica ensures the administrative and financial aspects of your build are handled with precision. With years of experience in project coordination, she maintains the organizational backbone of the company, making the journey seamless and stress-free for every customer.

Services We Provide

1

Consultation & Estimate

We provide a free feasibility appointment along with a complete, no-obligation free estimate for your project.

2

Design & City Processing

We handle the heavy lifting by providing full blueprint design and processing all necessary plans with the city.

3

Complete Build-Out

We manage and execute your ADU build-out from start to finish, ensuring top quality and a seamless experience.

Our Accessory Dwelling Unit Solutions

Detached ADU

A standalone backyard home that is completely separated from your main property.

Detached ADU

Attached ADU

An addition built onto the side or back of your existing home, sharing at least one wall.

Attached ADU

Garage Conversion

Transforming your existing garage space into a fully functional, comfortable living area.

Garage Conversion

Junior ADU (JADU)

A smaller unit built entirely within the existing walls of your single-family home.

Junior ADU

Our Previous Jobs

600 sq ft detached ADU in Carson

The finished kitchen
finished bathroom

440 sq ft detached ADU in Long Beach

Phase 1: Feasibility
Phase 2: Breaking Ground
Phase 3: Foundation
Phase 4: Framing
Phase 5: Exterior
Phase 6: Final Reveal

Think these look good? You should see the full reel. Follow us on Instagram for more ADU transformations and behind-the-scenes progress.

View More Projects on IG

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