OT Bay Builders

1580 Oakland Road, San Jose, CA 95131
https://otbaybuilders.com/adu/ office@otbaybuilders.com
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OT Bay Builders is a complete remodeling company with over 40 years of combined experience amongst our team. We’re expert Bay Area ADU builders in San Jose with a customer-first mindset. As a full-service ADU builder, you can trust us to remain by your side from the first consultation to the final walkthrough.

OT Bay Builders – ADU Contractor in San Jose, CA

About OT Bay Builders

OT Bay Builders is a complete remodeling company with over 40 years of combined experience amongst our team. We’re expert Bay Area ADU builders in San Jose with a customer-first mindset. As a full-service ADU builder, you can trust us to remain by your side from the first consultation to the final walkthrough.

Are ADUs Worth It?

There are many advantages to building an ADU on your property. Depending on your circumstances, you may want an ADU to house relatives, expand your current living space, or use as a rental unit.

Constructing an ADU is a worthwhile invest if you’re interested in any of the following:

  1. Increased Property Value
  2. Increased Family Space
  3. Potential Additional Income


Professional ADU Builders in San Jose near me

As custom ADU builders in San Jose, we take care of everything from the architectural drawings to the permit applications.

Our project managers work with an exclusive team of architects, engineers, and designers, ensuring your project receives the highest-quality workmanship while remaining on schedule and within budget.

Your ADU should reflect your personal style and preferences as well as meet your needs. Collaborate with our designers to choose the layout, materials, finishes, and more for your ADU.


OT Bay Builders Reviews

nicole arango

2026-02-12
"Ok, so I am a seriously anal human being when it comes to finding the right service provider at the right price. I interviewed and I kid you not eight different Bay Area contractors just to get a feel for pricing, transparency, and overall vibe. OT Bay stood out immediately. Ron, our project manager, has been consistently honest, kind, and communicative from day one. There was no pressure or vague answers just clear explanations and realistic expectations. That alone made a big difference for me. We hired OT Bay to demolish and remodel our kitchen countertops, fireplace, and shower. The process was organized, the crew was professional and respectful of our home, and the work turned out beautifully. They showed up when they said they would and followed through on what was discussed. We did run into a few design issues along the way completely on us and OT Bay was incredibly accommodating. Instead of making it stressful or transactional, they were understanding and proactive in helping us adjust the plan. Ron would often say that he wanted us to walk away loving the finished work, and I genuinely feel like he meant that. He worked with us to make sure we were happy with the outcome. Im always cautious about getting taken advantage of with service providers, especially when pricing isnt rigidly set. From day one, OT Bay was transparent and straightforward, and over time that built a level of trust I honestly didnt expect to have with a contractor. If youre looking for a team that communicates clearly, handles challenges professionally, and stands behind their work, OT Bay Builders is worth considering. Ron and his team were a solid choice for us."

soul fahima

2025-11-21
"OT Bay Builders did an outstanding job! Their team was professional, efficient, and highly skilled from the very first day. Communication was clear, the work was done on schedule, and the quality of craftsmanship was truly impressive. They handled every detail with care and delivered results that exceeded my expectations. Im extremely happy with the service and would highly recommend OT Bay Builders to anyone looking for reliable, honest, and top-quality company. And big tanks to mr tom that helped us with very complicated project. He makes that super easy for us "

Kumar Sangam

2025-11-06
"We recently hired OT Bay Builders to upgrade our bathroom from a half bath to a full walk-in shower, and we couldnt be happier with the results! From start to finish, the experience was seamless, professional, and stress-freelargely thanks to Ron, the project supervisor, who was an absolute gem throughout the process. Ron guided us every step of the wayfrom securing permits to coordinating inspections and ensuring everything stayed on schedule. He brought in the right experts for each phaseplumbing, installation, and finishingand made sure the work was done with precision and care. His attention to detail and commitment to quality were evident in every interaction. We were so impressed with their work that we also asked them to help extend our kitchen pantry, and once again, they delivered beyond expectations. The craftsmanship and professionalism of the entire OT Bay Builders team were top-notch. If youre looking for a reliable, communicative, and skilled contractor who truly cares about your home and your vision, look no further than OT Bay Buildersand ask for Ron! Highly recommend"

Bathroom Sign

2025-10-31
"I hired OT Bay Builders to update the kitchen and two bathrooms in my Los Gatos home. Tyler and Mauricio worked together seamlessly to keep the remodel on track. Leslie organized each phase with great attention to detail, and Breanna stayed in contact weekly. The craftsmanship is excellent, especially the tile and built-in cabinetry. I appreciated how respectful everyone was with our home and how smoothly things moved despite the scope of work. Very glad I chose them."

Diana Biba

2025-02-05
"OT bay builders exceeded our expectations in every way! Their team was professional, efficient, and dedicated to delivering top-quality work. From the initial consultation to the final touches, they kept us informed and involved, ensuring every detail was perfect. The craftsmanship was exceptional, and they completed the project on schedule without cutting corners. We truly appreciate their hard work and commitment to excellence. We highly recommend OT bay builders to anyone in need of a reliable and skilled construction team! From start to finish, their team was professional, knowledgeable, and highly skilled. They completed the project on time and within budget while maintaining excellent quality. Communication was seamless, and they were always available to answer questions and address any concerns. The craftsmanship and attention to detail were outstanding. We highly recommend them for anyone looking for a reliable and trustworthy construction company! We did a few projects with them one of them was we renovate our shower, and the results were beyond our expectations! Their team was professional, detail-oriented, and highly skilled. They helped us choose the perfect design and materials, and the installation was flawless. The craftsmanship is top-notch, and the final result looks absolutely stunning. They completed the project on time and kept everything clean throughout the process. We highly recommend OT builder for anyone looking for high-quality construction company! Will definitely be calling them for any future remodeling! Was a great experience!"
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Opening hours

Monday 9:00AM - 6:00PM
Tuesday 9:00AM - 6:00PM
Wednesday 9:00AM - 6:00PM
Thursday 9:00AM - 6:00PM
Friday 9:00AM - 6:00PM
Saturday -
Sunday -

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