Home Addition

Expand your living space with a custom home addition designed and built by our expert contractors in Los Angeles. Our home addition construction company specializes in room extensions, second-story additions, and professional construction services to increase your home’s functionality and value.

Modern hillside home with a multi-level below-grade basement ADU (Accessory Dwelling Unit) Home Addition Construction Company

Leave a Comment / ADU, Home Addition /

Building a House Below Grade: Challenges and Solutions Building a House Below Grade: Challenges and Solutions Learn about the complexities of constructing a home below grade, including sewage pumping, water management, and structural integrity. Understanding Below Grade Construction Building below ground level requires careful planning to address soil pressure, water infiltration, and ventilation needs. Engineers […]

Modern hillside home with a multi-level below-grade basement ADU (Accessory Dwelling Unit) Home Addition Construction Company Read More »

Proudly serving Los Angeles and it’s counties, we are Onyx General Construction Company. We provide a wide range of construction services. From kitchen and bathroom remodeling to new construction, home additions and ADU’s. Major renovations and large scale construction projects are we shine. From commercial to residential, we have the manpower, the tools, and the logistics all lined up. 

Service Areas

Hollywood, Ca

West Hollywood, Ca

Beverly Hills, Ca

Beverly Grove, Ca

Mid City, Ca

Cheviot Hills, Ca

Rancho Park, Ca

Pico-Robertson, Ca

Westwood, Ca

Brentwood, Ca

Pacific Palisades, Ca

Santa Monica, Ca

Venice, Ca

Mar Vista, Ca

Culver City, Ca

Playa Vista, Ca

Baldwin Hills, Ca

Ladera Heights, Ca

View Park, Ca

Marina Del Rey, Ca

Westchester, Ca

Inglewood, Ca

Hawthorne, Ca

El Segundo, Ca

Finding a reliable general contractor or construction company can indeed be a challenging task. However, we are proud to inform you that we are a local business that has been successfully serving our area for the past several years. We understand the challenges in every construction project are different. We take the time to place a personalized approach to each project, ensuring that our client’s needs and requirements are met. We take pride in our partnerships with reputable suppliers and subcontractors. Furthermore, we prioritize attention to detail in all aspects of our work. We understand that even the smallest details can make a significant difference in the final result. If you are in need of a reliable general contractor or construction company, we encourage you to contact us. We would be more than happy to discuss your project, provide a detailed estimate, and answer any questions you may have. Trust us to bring your vision to life.