Get matched with top addition to existing structure builders in Castro Valley, CA

"After I contacted several contractors on a room addition I decided to go with Sky Tech Builders and I can tell that it was a really easy decision because they gave me great offer and they completely understood what I wanted to do. They were also available on acceptable time and project started soon after we signed a contract. The project manager and his crew were professional, honest, helpful and very respectful to me and my home. They finished project within time they promised and within my budget. And final outcome is excellent, I am fully satisfied with everything they did and would definitely work with Sky Tech Builders again!"

"Our basement went from a dark storage area to a cozy family room and home office. The remodel was smooth from start to finish. Great communication, thoughtful design ideas, and skilled workmanship throughout."

"Bear Remodeling Inc helped us with a room addition, and the whole experience was smooth and stress-free. The team was respectful, hardworking. The new space fits perfectly with the rest of our home. We are beyond pleased and highly recommend Bear Remodeling Inc for quality work and great service!"

"He did an amazing job everything like I imagined he brought it to reality definitely recommend"

"My Remodeling Group completely transformed my home! Their team was professional, punctual, and easy to work with. They paid attention to every detail and delivered even better than expected. Communication throughout the project was excellent. Highly recommend them for any remodeling needs!"

"Adir and his team exceeded all expectations with our ADU project. They helped us refine our design, handled permits efficiently, and executed the work beautifully. Every part of the build shows quality and care. What I appreciated most was their communication. They kept us informed the entire time. It?s rare to find a company this reliable."

"We recently remodeled our bathroom with McCormick, and it was a fantastic experience. Khaled was informative, patient, and genuinely helpful, guiding us through choices for a perfect design. The team’s professionalism showed in their punctuality and quality. Every aspect was done with care, from tile placement to lighting. The transformation is truly impressive; the bathroom now feels open and luxurious. We’re beyond pleased with the result and look forward to more projects with them."

"Shay is an outstanding project manager and a creator. He has really looked out for us throughout the re-modal process. His daily communication was essential. I looked forward to the texts, Shay and his team of people kept us informed every step of the remodeling. Shay, built trust with his strong communication and his attention to detail. He made us feel relaxed through the process and I am very happy and excited by the results. Our bathrooms are everything we could have asked for. If we ever do any additional remodeling… we would just call Shay."

"We hired Bear Remodeling to convert our garage into an ADU for my mom to live in, and they knocked it out of the park! They handled everything. The team added proper insulation, installed new windows for natural light, and created a small but efficient kitchen area. They even finished the exterior paint to match our house perfectly. The transformation is incredible. You'd never know it used to be a garage. It took about 8 weeks from start to finish, which was actually faster than we expected. If you need more living space but don't want to move, I'd recommend their garage conversion service without hesitation."

"If you’re thinking about getting a new roof, definitely go with Build Atlas. I’m in my mid-20s and had no idea where to even start, but a neighbor recommended them and I’m so glad that they did! The whole team was super friendly, down-to-earth, and made the entire process way less stressful than I imagined. They showed up when they said they would, kept everything clean, and finished faster than I expected. Plus, the roof looks fantastic — it’s like my house got a facelift! It’s rare to find a company that’s this easy to work with!"