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The 6 Best Home Addition Contractors in San Jose, California

5 Min Read

Although planning for an addition to your home is no small task, the process can be a lot smoother if you have a contractor you can trust by your side. These builders are often faced with the challenge of matching an addition to a home’s established vocabulary; other times they are requested to rethink a home’s existing vernacular. Regardless of the task at hand, the best home addition contractors in San Jose, California are well-equipped with the tools and experience to help San Jose homeowners with their addition projects.

Our editorial team selected these builders based on their backgrounds, experiences, and their ability to respond to the various needs of diverse set homeowners.


Next Stage Design + Build

2157 O’Toole Avenue, #70, San Jose, CA 95131

Next Stage Design + Build is a highly sought-after, award-winning practice that offers full-service residential remodeling to clients in Santa Clara County. The firm’s principal, Jim Kabel, is a Master Certified Remodeler (MCR), as well as a Certified Remodeling Project Manager. Under his leadership, the firm has built a reliable practice, working with several highly skilled trade specialists so that Next Stage can be a one-stop solution for a wide range of repair and remodeling needs. As a result of its reliability, the firm is proud to say that nearly two-thirds of its business comes from referrals and repeat clients.

One example of the firm’s work is this “Forever Homestead” Addition. Completed in 2016, this multi-functional, multi-flexible space for both kids and adults offers a place to entertain and host gatherings, play dates, and overnight guests. The versatility of the space allows the homeowners to have an enhanced backyard lifestyle. Ultimately, the home addition to the existing detached garage was built by Next Stage Design + Build to strengthen the client’s vision of a “forever homestead.”


May Construction, Inc. 

115 Phelan Avenue, San Jose, CA 95112

May Construction, Inc. is a design-build firm that specializes in whole house remodels, additions, kitchens, and bathroom remodels throughout the Santa Clara Valley. The firm’s owner, Greg May, was trained by his father in construction at an early age. To this day, Greg continues his family’s legacy of construction excellence which the family began in 1977. Since then, Greg and his business partner and wife Debbie have been cultivating a culture of integrity and honesty in their practice, centering the client and ensuring all of their workmanship remains up to their high standards. 

One example of the firm’s work is the Silver Silk addition in San Jose. Aside from leading the addition and remodel of the project, May Construction also completed the budget analysis and project development. Meanwhile, the interior design work was completed by Lora McKinnon. The result of the teams’ collaboration was a functional, bright, and transitional-styled space that took the place of the small and dark kitchen with limited storage. The owners were very happy with the results and went on to say that they were extremely lucky to have worked with May Construction on such a significant project.


Gridley Company

122 Orchard City Drive, Campbell, CA 95008

When Linda Gridley, a Certified Remodeler (CR) started her home improvement company in 1976, it was practically unheard of for a woman to be leading this type of business. In the years that followed, Linda proved her critics wrong, emerging as one of the most prolific home improvement contractors in the area, with hundreds of completed residential projects showcased in the firm’s impressive portfolio. 

For additions in particular, the firm completes family rooms, great rooms, and garage additions. The Gridley team of professionals and designers are certified and experienced, having completed numerous projects across the Campbell, Los Gatos, Saratoga, and San Jose areas. When working with clients, the firm ensures that it uses its design software and planning expertise to create aesthetically pleasing, functional spaces, as well as spaces that meet the diverse tastes and needs of all kinds of clients.


Lynch Construction

209 Santa Cruz Boulevard, Santa Barbara, CA 93109

Lynch Construction has been proudly serving the areas of Santa Barbara, Montecito, and Goleta since 1989. The firm offers full services in all aspects of building, including new homes, remodels, additions, and commercial work. Lynch Construction was founded by owner Brian Lynch, who launched his career in building with commercial projects for the Santa Barbara School District, the Santa Barbara Housing Authority, Our Lady of Sorrows, San Roque, and Mount Carmel Catholic Churches, as well as projects on the Vandenberg Air Force Base via Brown & Root.

In terms of residential work, the firm is especially skilled when it comes to remodeling world-class homes of all kinds. Brian sees to it that his team creates a sustainable structure that contributes to the cultural aesthetic of the central coast. A great example of the results of this approach is the La Vista del Oceano home. For this project, the firm completed a dome retrofit, room additions, and added an interior elevator, all of which contributed to the splendor of this Greek-style Santa Barbara-Mesa estate.


Decor Builders, Inc.

2375 Zanker Road, Unit 205, San Jose, CA 95131

For nearly two decades, Decor Builders has been offering design-build services to the Bay Area. The firm, which started out as a small crew, has steadily grown to become a one-stop shop for home design and improvement, offering customers the newest and latest technology and guiding them through any project, from start to finish. 

One example of the firm’s work is this Master Suite Addition in San Jose. Completed in 2020, the project involved the addition of an entire master suite, where the firm created two separate rooms for the master bath and master closet. The firm also completed painting and installed new luxury vinyl floors, heated floors in the bathroom, recessed lights, a double sink vanity, new tiles, a new toilet, and new windows.


Jon R. Crase Construction, Inc.

138 W Campbell Avenue, Campbell, CA 95008

For Jon R. Crase Construction, its people are what set the firm apart from others. The Crase team includes estimators, project managers, and designers—they all have years of experience collaborating with homeowners to achieve the residential project of their dreams. The firm specializes in fire and water restoration, as well as remodels and additions to kitchens and bathrooms.

When it comes to additions, the firm understands that as a family grows, their lifestyle may need some changes and their home needs to reflect this. The firm makes it a point to improve the livability of a home, bringing fresh remodeling designs and ideas to the table in every project. And because the firm has solid relationships with its subcontractors, a smooth and well-coordinated job is a guarantee when working with Jon R. Crase Construction, Inc. 

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