Family-owned Craftsmanship for Chicago.

Onyx General Construction Company is a family-owned general contractor specializing in home additions and room expansions in Los Angeles. We offer Home Additions, Room Additions, ADU Construction, and Kitchen Remodeling services.

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Onyx General Construction Company - General contractor in Los Angeles
250
Projects Completed
5
Avg Google Rating
15+
Years Serving Los Angeles
Licensed
& Insured
What We Do

Expanding Spaces, Building Dreams.

Home Addition project by Onyx General Construction
Home Additions
Add square footage and luxury to your home with our custom home addition services. We specialize in seamlessly blending new spaces with your existing structure.
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Room Addition project by Onyx General Construction
Room Additions
Expand your living space with room additions tailored to fit your needs. From extra bedrooms to home offices, we make sure every detail is perfect.
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ADU Construction project by Onyx General Construction
ADU Construction
Maximize your property's potential with an Accessory Dwelling Unit. Our team handles all aspects of ADU construction, from planning to completion.
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Kitchen Remodel project by Onyx General Construction
Kitchen Remodeling
Transform your kitchen into the heart of your home. We focus on functionality, style, and durability, ensuring your kitchen is both beautiful and practical.
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Bathroom Remodel project by Onyx General Construction
Bathroom Remodeling
Upgrade your bathroom with modern fixtures, flooring, and design elements. We provide full bathroom remodeling services, creating a space that is both functional and luxurious.
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Outdoor Living Space project by Onyx General Construction
Outdoor Living Spaces
Create an oasis in your backyard with our outdoor living space construction services. We design and build custom decks, patios, and outdoor kitchens.
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How We Work

Simple process, no surprises.

01
Free Consultation
We come to you, learn your goals, and answer every question. No pressure, no sales pitch.
02
Detailed Quote
A written scope of work with line-item pricing. You know exactly what you are paying for before we start.
03
We Build It
Our own crew on site, daily updates, and a clean worksite every evening. No subcontractor surprises.
04
Final Walkthrough
We walk every room with you before calling it done. You sign off, we consider it a success.
Reviews

What Los Angeles homeowners say.

"Onyx General Construction transformed our kitchen into an elegant and functional space we love. Their attention to detail and expert craftsmanship exceeded our expectations."

John S.
Kitchen Remodel

"When we decided to add a room to our house, Onyx General Construction made the process easy and stress-free. The finished room addition looks like it's always been a part of our home."

Lisa M.
Room Addition

"Onyx General Construction built an amazing ADU on our property. Their team was professional, and the finished product is a perfect blend of modern design and comfort."

Michael D.
ADU Construction
Get in Touch

Let's Build Your Dream

Contact us today for a free estimate and a prompt response to start your construction project.

(213) 257-6666
Los Angeles, CA — serving the surrounding area
Mon-Sat, 8am-6pm