Onyx General Construction Company

About

Onyx General Construction Company is a Los Angeles-based general contracting firm serving residential and commercial clients across the greater metropolitan area. Operating extended weekday hours and Sunday availability, the company handles comprehensive construction projects from planning through completion.

Hours

• Monday: 7:00 AM–7:00 PM
• Tuesday: 7:00 AM–7:00 PM
• Wednesday: 7:00 AM–7:00 PM
• Thursday: 7:00 AM–7:00 PM
• Friday: 7:00 AM–7:00 PM
• Saturday: Closed
• Sunday: 7:00 AM–7:00 PM

Reviews

Many people share horror stories about their experience with a contractor but mine was far from that. Sean is a joy to work with. He is very communicative, responsive and flexible. He listens to the needs and desires of his clients and always aims to please. He did excellent work, went above and beyond and is extremely fair. His integrity in all things is top tier and that was very important to m… — Pamela Mitchell

We hired Onyx to build a detached 720 square foot ADU in Mar Vista. He beautifully designed and built us a one story, 2bd full kitchen and bath! Sean handled the permits which I was most nervous about but Cam’s team handled that part with ease! The process of building our ADU was 7 months, which was right on schedule! Sean sent us updates every time a milestone was achieved! We are having our fir… — Runqi Yang

We had a detached two car garage that was basically just a graveyard for old boxes, so we figured converting it into a legal ADU for my mother in law was the best move. Sean was the primary contact for the conversion and he was a total lifesaver when it came to navigating the city requirements for the plumbing and electrical. The finished space is actually nicer than our main house now, and Sean… — Hailey Roca

Throughout this year I met a number of contractors to build an ADU in the near future. He came recommended by a friend for his attention to detail, which is very important to me. I did see some of his work (ADU) and I can say his work is beautiful and clean, with the attention to detail that I would expect from a professional contractor. But where Sean stands out among many other contractors for… — Hailey Ordaz

HIGHLY RECOMMENDED! We hired Onyx General Construction Company for a complete kitchen and laundry room remodel as well as replacing the hardwood flooring throughout much of the house. We chose to go with Onyx after meeting with and receiving quotes from three companies. Sean was very quick in responding to the initial request and providing a quote. The Onyx team started demolition very soon after… — Jeff Lancaster