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The Best Home Addition Contractors in Santa Monica, California

9 Min Read

Santa Monica, a picturesque city in California, is renowned for its beautifully designed homes that blend comfort with style. As homeowners seek to expand their spaces to meet evolving needs, the role of home addition contractors becomes paramount. Below are eight exceptional home addition contractors in Santa Monica. Selected on the strength of their innovative designs, craftsmanship, and customer satisfaction, these firms have significantly contributed to enhancing the city’s residential landscape.

Greenworks Construction

20301 Ventura Blvd #222, Woodland Hills, CA 91364

Greenworks Construction & Design Inc. is a family-owned general contracting firm based in Southern California. Established in 2009, the company has become renowned for its meticulous attention to detail, unwavering reliability, and superior workmanship. Greenworks is a one-stop shop for all home improvement needs, so the team handles everything in-house, from the initial design and blueprints to construction and clean-up. This comprehensive approach ensures a seamless and efficient process for every client. 

The company is led by President Omri Moalem, who brings a wealth of experience and a commitment to customer satisfaction to his work at the firm. Under his leadership, Greenworks has become a trusted partner for homeowners across Southern California. Greenworks is proud to have been featured on popular television shows such as HDTV House Hunter’s Renovation and Bravo TV’s Million Dollar Listing Los Angeles. The company’s work has also been highlighted in publications like People and Culver City the Guide Publication. With 14 years of experience in the industry, Greenworks Construction & Design Inc. continues to set the standard for high-quality, customer-focused construction services in Southern California.

Reliance Design Build

11500 W. Olympic Blvd Ste 536, Los Angeles, CA 90064

Reliance Design Build is a family-owned construction, architecture, and interior design firm based in Los Angeles, California. Founded in 2006 by the Motamedi brothers, the company has grown over the past 17 years into a trusted provider of comprehensive construction services, driven by a passion for inventive design and a commitment to delivering top-quality work. Its expertise spans from initial planning to final touches, offering clients a seamless and stress-free remodeling experience.

Three principals lead the company, each bringing a unique set of skills to the table. Behrang Motamedi, an expert in architecture and engineering, as well as Behrooz Motamedi, a civil engineer, both serve as owners and project managers. Golnaz Motamedi, an accomplished interior designer and product developer, also holds an ownership role. Under their leadership, Reliance Design Build is accredited by the National Association of the Remodeling Industry, the National Kitchen & Bath Association, the National Association of Home Builders, and the Building Industry Association. With a firm belief in making home remodeling fun and stress-free, the firm is committed to turning clients’ ideas into reality with unparalleled skill and top-quality materials.

South Land Remodeling

15021 Ventura Blvd Ste 488, Sherman Oaks, CA 91403

South Land Remodeling is a premier general contractor based in Los Angeles with over two decades of experience in the industry. Established in 1998, the company has built a reputation for excellence in whole-home remodeling, bathroom and kitchen renovations, room additions, and the construction of accessory dwelling units (ADUs). As a one-stop shop, the firm offers a comprehensive suite of services that includes interior design, building, and installation, ensuring clients’ seamless and hassle-free experience. It is led by owner Oren Farkash, a Tech College Israel graduate who brings his expertise and leadership to every project.

South Land Remodeling is accredited by the National Association of the Remodeling Industry, the National Kitchen & Bath Association, and the Better Business Bureau, reflecting its commitment to high-quality service and ethical business practices. With 25 years in the business, it continues to deliver top-notch home improvement solutions that enhance the quality of life and increase the value of properties in the Los Angeles area.

Spazio LA

10620 W. Magnolia Blvd, North Hollywood, CA 91601

Spazio LA is a full-service design, management, and construction firm that has been transforming homes since 2005. Focusing on architectural and engineering planning, it offers a comprehensive suite of services to build or renovate stunning homes. Its team of award-winning designers specializes in home design, decoration, and remodeling, creating functional yet highly stylish spaces that reflect the client’s vision and lifestyle.  They pride themselves on creating realistic 3D rendering designs before starting any project, allowing clients to visualize their dream homes. They are also known for their high-end craftsmanship and attention to detail, ensuring that Spazio LA homes are not only the envy of the neighborhood but also stand the test of time.

Co-owned by Essi Safdie, Spazio LA has built close relationships with reputable suppliers, retailers, and craftsmen, ensuring that clients receive top-of-the-line materials and cost-effective methods. This approach allows Spazio LA to deliver more style at less cost. As a licensed and bonded contractor firm, Spazio LA builds all projects up to code and offers a five-year warranty. The firm’s work has been featured in VoyageLA, and it has an interesting portfolio of projects, including a featured complete home remodel and addition in Westwood, Los Angeles.

AGA Construction, Inc. Los Angeles

18375 Ventura Blvd #548, Tarzana, CA 91356

AGA Construction, Inc., based in Los Angeles, CA, is a licensed, bonded, and insured construction company offering a comprehensive range of services, including remodeling, landscaping, hardscaping, plumbing, and design. The company strives to provide personalized solutions for each client, ensuring their needs are met with utmost attention to detail. Whether it’s a small renovation or a large-scale construction project, every job is approached with the same level of commitment and expertise. The AGA Construction team is well-equipped to handle projects of any size, delivering high-quality results that exceed clients’ expectations.

Owner Ariel Azriel leads the firm. With over 25 years of industry experience, Azriel has built a reputation for delivering customer satisfaction and completing projects on time and within budget. His firm is a member of the National Association of the Remodeling Industry and the West Valley-Warner Center Chamber of Commerce. The company has been proudly serving its community for 17 years, building the future one project at a time.

NB Construction

5657 Wilshire Blvd Unit 250, Los Angeles, CA 90036

NB Construction, a professional ADU builder based in Hancock Park, CA, has been crafting luxury homes since 2019. It specializes in home remodels and restorations, focusing on delivering top-notch craftsmanship and superior client service. The company prides itself on its attention to detail, from the initial design phase through construction, and its specialties include custom cabinetry crafting, high-end finish work, and interior design.

At the helm of NB Construction is Owner Noam Baram, who ensures that the team adheres to the highest standards of excellence. His leadership has fostered a culture of availability, with the team making themselves accessible to clients 24/7. This commitment to client communication and meticulous management of timelines and budgets sets NB Construction apart in the industry. With this approach, one of the company’s notable projects is the Lucerne Room Addition in Hancock Park, CA. This residential project showcases NB Construction’s commitment to creating spaces that surpass clients’ comfort and functionality expectations. The company’s dedication to excellence is evident in every detail of this project, reflecting its ability to transform a client’s vision into a tangible reality.

Martins Construction

11611 San Vicente Blvd, Los Angeles, CA 90049

Established in 1995, Martins Construction is a trusted name for home and business renovations in the greater Los Angeles area. The company’s exceptional craftsmanship, use of advanced materials and technologies, and commitment to socially responsible building practices have transformed spaces and inspired the lives of those who inhabit them. Its commitment to quality and client satisfaction has earned it recognition in the industry. The company was listed in the Qualified Remodeler Magazine Top 500 in 2018 and received the National Fine Builders Association Award and The Master Design Award in 2017. It also holds accreditations and certifications from the National Association of the Remodeling Industry, the National Kitchen and Bath Association, and the National Association of Home Builders, reflecting its dedication to excellence in the industry.

Under the leadership of owner Robert Martins, the firm has forged personal relationships with many clients who trust its approach to the construction process. The team of professional carpenters, designers, and planners at Martins Construction is dedicated to meeting client needs, and their work ends only once complete satisfaction is achieved.

SB Construction & Remodeling

6513 Hollywood Blvd #216, Los Angeles, CA 90028

Operating in Los Angeles and surrounding areas, SB Construction & Remodeling is a family-run construction company that offers comprehensive residential remodeling and construction services. With a diverse range of services in the construction industry, it can handle many projects, from standard renovations to custom remodels, and from small-scale refurbishments to large-scale construction projects. Its mission is not just to build homes, but also to build long-lasting relationships with its clients.

Under the leadership of Founder and CEO Omri Behar, SB Construction & Remodeling has been serving clients since 2019. Despite its relatively recent establishment, the company has managed to build a solid reputation for its high standards, professionalism, and creativity. The company’s team of professionals, which includes designers, engineers, and builders, is equipped to handle any aspect of home improvement, making it a one-stop solution for all construction and remodeling needs. Their services are not limited to specific budgets or project complexities, demonstrating the firm’s flexibility and adaptability in the face of various client requirements.


  • Brooke Adams

    Brooke is a Deputy Editor at Los Angeles Contractors with around five years of professional experience as a writer and editor in the construction and home improvement space. Her expertise covers a wide range of topics including addition construction, home remodeling, and landscape design. Brooke has a Bachelor's degree in Civil Engineering, and she also brings extensive experience as a project manager for a top construction firm, overseeing multi-million dollar projects. Additionally, she is certified in LEED and OSHA safety standards.  Expertise: Addition Construction, Home Remodeling, Landscape Design  Key Highlights: Over 5 years of experience writing and editing in the construction space, Deputy Editor at Los Angeles Contractors Education: Syracuse University, Bachelor of Science in Civil Engineering; Certificates in Public Relations and Social Media