ADU BUILDERS IN THE BAY AREA
More living space, no guesswork. Rock Bay Construction handles every step of your ADU build across the Bay Area.
ADU Construction in the Bay Area
At Rock Bay Construction & Remodeling, we offer complete ADU construction in the Bay Area for homeowners who want a functional, code-compliant build without the confusion. Adding an Accessory Dwelling Unit is one of the best ways to expand your space, generate rental income, or support multigenerational living. Whether you’re converting a garage or building a custom ADU, we handle everything from ADU floor plans to permits and final finishes.
Your Licensed & Expert ADU Builders
We are licensed ADU builders with hands-on experience in Bay Area zoning, permitting, and layout planning. Our team manages the entire process and provides daily oversight on every job. As trusted ADU contractors in the Bay Area, we help homeowners make smart, lasting additions to their properties with clarity and care.We take care of everything—design, permitting, foundation, framing, and finishes—so you can focus on enjoying your new space. Let us help you create a fully functional ADU that adds value and versatility to your property.
- Detached ADUs & Garage Conversions
- Custom Layouts & Space Planning
- Complete Permit & Code Compliance
- High-Quality Construction & Design
Get an Appointment
Types of ADUs We Build in the Bay Area
Rock Bay
How much does ADU Cost in the Bay Area?
10+
Years of Experience
Why Choose Rock Bay as ADU Builder?
We are reliable ADU contractors near me who manage every detail. With over a decade of experience, an in-house crew, and local know-how, Rock Bay Construction & Remodeling is the ADU contractor in the Bay Area that gets the job done right.
- Over 10+ Years of Experience
- 100% Customer Satisfaction Guaranteed
- Free Design and 3D Renderings
- In-House Team and Quality Control
Let’s Build Your Bay Area ADU
If you're planning an ADU in the Bay Area, talk to Rock Bay. From initial planning to the final inspection, we keep your project on track and on budget. Let’s get started on your next ADU building project.
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Testimonials
What our clients say about us
Posted on Google 
dor sek
Trustindex verifies that the original source of the review is Google.The team was professional, easy to communicate with, and really paid attention to the details. They made the whole design and material selection easy. Highly recommended!
Posted on Google
Paola Leon Mora
Trustindex verifies that the original source of the review is Google.We had a great experience working with Rock Bay on our home addition and remodel. They were reliable, easy to work with, and delivered high quality results. The project turned out better than we imagined. Would definitely recommend them!
Posted on Google
Nir DenisMaN
Trustindex verifies that the original source of the review is Google.We had a great experience with Rock bay on our home remodel in Sausalito. The team was professional, communicative, and easy to work with from start to finish. The quality of the work especially the kitchen and bathrooms was excellent. They stayed on schedule and handled the whole process smoothly. Highly recommend.
Posted on Google
Uri Goldberg
Trustindex verifies that the original source of the review is Google.Made my home like paradise
Posted on Google
Erez Rosenberg
Trustindex verifies that the original source of the review is Google.We recently had our bathroom remodeled and couldn’t be more pleased with the results. From start to finish, the team was professional, punctual, and detail-oriented. They communicated clearly throughout the process, kept the workspace clean, and completed the project on time. The quality of the workmanship is outstanding—everything looks modern, functional, and beautifully finished. We highly recommend them to anyone looking for high-quality bathroom construction or renovation! Thank you, Rockbay Construction, for a job exceptionally well done!
Posted on Google
Boaz Shoval
Trustindex verifies that the original source of the review is Google.We recently completed a full kitchen renovation with Rockbay Construction, and we couldn’t be happier with the results. From start to finish, their team was professional, responsive, and truly attentive to our needs. The craftsmanship is outstanding – every detail, from the cabinetry to the countertops and lighting, was handled with precision and care. They stayed on schedule, kept the space clean throughout the process, and communicated clearly at every step. It’s rare to find a contractor who combines great design advice, quality work, and genuine reliability – but Rockbay delivered on all fronts. Our new kitchen has completely transformed our home, and we highly recommend them to anyone considering a renovation. Thank you, Rockbay Construction, for a job exceptionally well done!
Posted on Google
Keren Asulin
Trustindex verifies that the original source of the review is Google.When you are looking for someone professional and high-quality, who knows what he is doing and takes care of you from start to finish, it's just Rock Bay Construction & Remodeling, No worries or concerns, leave them to do what they do best, highly recommended
Posted on Google
lina shohat
Trustindex verifies that the original source of the review is Google.I worked with Rock Bay Construction & Remodeling on a kitchen renovation and couldn’t be happier with the outcome. The team was on time, professional, and easy to work with throughout the entire process. You can really tell they take pride in their work—every detail was handled with care and precision. The finished kitchen looks fantastic and has completely elevated the space. I highly recommend Rock Bay to anyone looking for quality craftsmanship and a stress-free renovation experience.
Posted on Google
Yuval Yakar
Trustindex verifies that the original source of the review is Google.I chose Rock Bay Construction & Remodeling and it was the best choice I made! Professional and know exactly what to do to make the customer satisfied and happy with the results!
Posted on Google
Roee Laures
Trustindex verifies that the original source of the review is Google.What really stood out about Rock Bay Construction was how personal the experience felt. They treated me with so much care and respect, like I was part of the team. The work turned out great, and the whole process was smooth from start to finish.
Service Areas
Alameda County
- Berkeley
- Oakland
- Alameda
- Castro Valley
- Dublin
- Hayward
- Livermore
- Newark
- Pleasanton
- San Leandro
- San Lorenzo
- Union City
San Francisco County
Marin County
- Mill Valley
- Sausalito
- Santa Venetia
Contra Costa County
- Moraga
- San Ramon
Santa Clara County
- Cupertino
- San Jose
- Sunnyvale
- Palo Alto
- Los Gatos
- Morgan Hill
- Mountain View
- Santa Clara
- Loyola
- West Menlo Park
- Blossom Valley
- Los Altos