California is famous for many things, including Hollywood, the Golden Gate Bridge, and Disneyland. It is a progressive state that offers a lot of opportunities for career and personal growth. The Golden State’s economy is the largest in the United States and one of the largest in the world. Its diverse range of industries provides an abundance of options for professionals and those looking into starting a business. Residents benefit from its sunny weather, beautiful beaches, outdoors, and relatively relaxed atmosphere. Combining these qualities with fantastic entertainment and food scenes, the state has become more than an ideal place to settle.

With a population of almost 40 million people, California continues to develop. As the population grows, so do families, and these families may want to expand their homes by adding a new bedroom, a second-story, or an office. This article lists nine of the best home addition contractors in California. These firms were chosen for their expertise, client service, and impressive portfolio. Each firm has extensive experience in residential construction, including home additions. These firms are composed of professional experts who are talented and dedicated to providing quality services to clients in California. 


Jackson Design & Remodeling

4797 Mercury St. San Diego, CA 92111

Jackson Design & Remodeling is a premier firm that has been serving clients with distinctive builds and exceptional services since 1989. When constructing home additions, the firm makes certain that it blends architecturally well with the original structure. Its design-build process ensures each aspect of the construction is meticulously attended to. The process allows means a unique take on each project and a smooth execution. Its team of accredited professionals uses communication and new technology when developing ideas and determining the best solutions for each project. The team is dedicated to each client and provides guidance. These commitments consistently result in successful project completions in San Diego and the surrounding area.

On top of home additions, Jackson Design & Remodeling also provides services for custom home construction, whole-house remodeling, and specialty projects. Its projects are recognized by award-giving bodies. Some of these recognitions include national and regional Contractor of the Year (CotY) Awards from the National Association of the Remodeling Industry (NARI). These awards were attributed to the leadership of president and CEO Todd R. Jackson. He is a Certified Green Professional (CGP) and a Certified Aging-in-Place Specialist (CAPS). His diligence and his commitment to a job well-done help to create a positive construction experience for everyone involved.


Lars Remodel

5925 Kearny Villa Road, San Diego, CA 92123

Lars Remodel is a client-centered firm specializing in custom homes, remodeling, additions, and ADUs. It serves clients throughout San Diego County. Since its inception in 1991, the firm has built a reputation for providing excellent service—service based on trust, communication, and integrity. The Lars team is composed of experienced designers, project managers, professionals, and trade partners, and they are all dedicated to bringing excellence to each project. The firm stays on top of current trends and construction technology to maintain the quality of services. As a result, Lars Remodel was among the first in the area to become a NARI Certified Remodeler (CR). Several honors were also bestowed upon the firm. These honors include the GuildQuality Guildmaster Award, Modern Luxury Magazine’s 2022 Best of City Award, and a listing on Qualified Remodelers’ Top 500 Remodeling Firms list.

Lars Remodel was founded by Jason Lars, a second-generation house remodeler. His experience brings clients knowledge and professionalism on each of their projects’ needs. Under his leadership, Lars Remodel maintains a high level of workmanship and reputation in the industry. In addition to the firm’s services, it also has a showroom off of the Cabrillo Freeway in Kearny Mesa. It offers a diverse selection of appliances for kitchens, bathrooms, living areas, and other spaces. 


Classic Home Improvements

600 S. Andreasen Drive, Suite A, Escondido, CA 92029

Classic Home Improvements (CHI) was founded to instill corporate America’s professionalism in a small family business. For the past 12 years, the firm’s dedication to clients and attention to detail has exemplified this professionalism. Further fueling this goal into fruition is the CHI team, who works in close collaboration with each other. It assists clients from designing their spaces to product selection to project completion. This assistance covers services such as custom home construction, remodeling, and additions. CHI can take on these services as a general contractor or as a design-build service provider. Some of CHI’s projects have been featured on HGTV and in Qualified Remodeler Magazine.

CHI began in the industry as a home remodeling contractor for exterior renovation projects. It eventually grew as a result of owner Jack Crocker’s extensive experience and supervision. Crocker has been in the construction industry for over 30 years, working his way up from field worker to construction firm owner. Before establishing his firm, he worked on a variety of projects throughout Southern California. He leads CHI and provides expertise to projects, as well as creating long-term partnerships with tradespeople and homeowners. CHI is accredited by the NARI and the Better Business Bureau (BBB). It is a member of the San Diego, Temecula, and Escondido Regional Chambers of Commerce.


Murray Lampert Design, Build, Remodel

2851 Camino Del Rio South, Suite 310, San Diego, CA 92108

Murray Lampert Design, Build, Remodel home addition construction experience includes, among other things, new bedroom additions, master suites, home offices, and the addition of a second story. The firm has a great reputation for listening to clients and creating exceptional spaces. It provides clients with a design-build process built on communication. That process lets the firm provide a single point of contact, carrying out tasks in all aspects of the project under one roof. The process provides consistency, transparency, and faster project completion.

As a family-owned business, Murray Lampert strives to provide clients, trade partners, and its team with a sense of familial connection and to form partnerships with them. The Murray Lampert team incorporates personalization in its service. It works collaboratively with clients to understand their goals and listen to what they need. Having been in the industry for 47 years, Murray Lampert has executed this process for projects in San Diego and other cities. Its outstanding services have been recognized with Guildmaster Award for Service Excellence and the BBB Torch Award For Ethics. Its projects have previously received recognition from Remodeling Magazine’s Big 50 For Fine Design, most recently in 2020.


Design Line Construction

60 Dorman Avenue, San Francisco, CA 94124

Design Line Construction is a premier home builder with a reputation for great service and remarkable projects. Founded in 1998, the firm’s goal is to go above and beyond the expectations of clients. Its project uses cloud-based technology and communications tools for efficiency and productivity. Clients can be kept updated on the project’s progress and information can be shared between both parties using the tools. Design Line’s highly experienced team works on each project backed by a culture of collaboration, proactiveness, and engagement. The firm is led by founder Andrew McHale, whose experience includes detailed knowledge of construction and design alike. McHale completed a variety of projects in Manhattan, Westchester County, and Connecticut. 

Design Line Construction’s work has been featured in publications such as Elle Décor Italia, Plain Magazine, Arch Daily, Dwell Magazine, Architizer, and The Wall Street Journal. This project, Cole Retreat, was featured in the 2009 Architecture & the City Festival—San Francisco Living: Home Tours. The festival showcases outstanding architectural and design work throughout the city and is co-presented by the American Institute of Architects (AIA) San Francisco Chapter. The Cole Retreat is a fully detached home in the Tank Hill parklands. The firm added over 2,800 square feet worth of space including second-story and subterranean additions. The second-story addition makes use of large windows for natural light and expansive views of the area. For the subterranean, the firm built a family room for the clients. 


Kaminsky Design & Remodeling

12396 World Trade Drive, Suite 108, San Diego, CA 92128

Kaminskiy Design & Remodeling has been serving San Diego since 2005. It specializes in home additions, as well as remodeling bathrooms, kitchens, whole houses, and outdoor living spaces. At the same time, the firm is experienced in providing universal design services for aging-in-place and clients with limited mobility. Its team is composed of talented individuals with a diverse set of skills that complement each other. Its dedication, commitment, and expertise have resulted in quality projects that last a long time for clients. Kaminskiy Design & Remodeling’s solid work ethic has earned it a strong reputation among clients. Readers of the San Diego Union-Tribune have consistently named it the Best Contractor, Best Kitchen and Bath Remodeler, and Best Local Construction Company.

Kaminskiy Design & Remodeling was founded by Sergei and Elena Kaminskiy. It started as a small handyman service and has evolved into a full-service design and build remodeling company. Sergei is a skilled builder with experience in remodeling, framing, and repair work. Elena, on the other hand, is a seasoned businesswoman. She is directly responsible for the firm’s day-to-day operations. The combined knowledge and experience of the Kaminskiys ensure the firm’s continuous growth and development. For 18 years, the firm has been among the leading firms in the area. Kaminskiy Design & Remodeling is affiliated with the NARI, the National Kitchen and Bath Association (NKBA), and the American Society of Interior Designers (ASID). 


Valley Home Builders

3466 Edward Avenue, Santa Clara, CA 95054

Valley Home Builders (VHB) is a design-build firm based in Santa Clara. It specializes in new construction, remodeling, and home additions. Since 2005, its completed projects range from rebuilds to kitchen and bathroom upgrades, from ADU construction to room additions. The firm is known for its imaginative design and a high level of craftsmanship. Its projects epitomize spaces that blend style, quality, function, and value. To create these spaces, the team bases each project on the personality and lifestyle of the client. This method results in customized spaces that are intuitive and represent the clients perfectly.

VHB is a well-recognized firm in the industry. It is the recipient of multiple Meta Awards from the NARI and is among the top 50 remodeling firms as selected by Remodeling Magazine. Leading the firm is Medhi Vatani, who holds a Degree in Business Economics. His industry experience began with a woodworking hobby. This experience eventually led to a job as a laborer carpenter and, now, CEO of his company. Vatani’s background in economics and sale together with construction allows the firm to take on projects no matter the size and complexity. 


Podesta Construction

344 Connecticut Street, San Francisco, CA 94107

Podesta Construction offers clients comprehensive services for renovations, remodels, and additions. Its service provides a well-organized process that takes each project from start to finish. The Podesta team ensures constant communication with clients for project decisions. It also manages projects down to the smallest detail to ensure that they are completed on time and correctly. Since its establishment in 1986, the firm has won plenty of awards and recognitions. These accolades include San Francisco Bay Area (SFBA) NARI CotY Awards and Chrysalis Awards. The firm was recognized in several categories, including best historic renovation and preservation and in residential kitchen, bathroom, and entire home remodel categories.

Brothers Matt and Brandan Podesta run Podesta Construction. Matt has been the president of the firm since 2008 and is responsible for the daily operations of the firm. He served on the SFBA NARI board of directors and attended Remodelers Advantage training to help develop the firm. Brandan, on the other hand, has been the firm’s lead designer since 2006. His previous experience includes working as a project manager for a hotel management company. During his stay at that company, he was in charge of the renovation of over a hundred hotel rooms throughout Southern California. Both Matt and Brandan acquired their industry knowledge from their father Jerry Podesta, the firm’s founder.