Bioneer Builders, Contractors  General, San Anselmo, CA


Bathrooms Bioneer Builders Proudly serves the San Francisco Bay Area!

Bioneer Builders has worked on many glorious bathroom renovations throughout the San Francisco area that bring out the brilliance and character of a home.

Bioneer Builders has grown from a small local builder to a construction company with an unparalleled portfolio of successfully completed projects, we’re proudly serving the Bay Area, including places like Richmond, San Francisco, Oakland, San Jose, Walnut Creek, San Rafael, Napa, and more. We’re licensed: B-General Building Contractor with the state of California, fully insured and bonded.

Bathroom remodeling is one of the most popular home improvement projects in the U.S. A remodeled bathroom will surely provide increased enjoyment of your home together with the Immediate increased home equity, considered as the highest return on investment.

To guarantee the quality results that Bioneer Builders are famous for, each of our crew members is highly experienced in every level of the bathroom remodeling process. We proudly stand for our superior craftsmanship, proficient architects and unique designers that are taking personal care of the smallest details. We believe in using the highest quality building materials and products for all of our projects in order to achieve our goal of excellence and customers satisfaction.


There are endless trends in bathroom remodeling for Northern California, Bioneer Builders can assist you with all that necessary: design, styles and innovative products, so the bathroom of your dreams can finally turn into something more than just a sink, toilet and a shower combo. We will make your bathroom picture look perfect.

We strive to always stay innovative, up to date and full of surprises. We are constantly searching to discover new methods in breaking the bounds of design each and every time. We will make your remodeling experience a pleasure and guarantee peace of mind with every step towards your new stunning bathroom in Richmond, San Francisco, Oakland, and surrounding areas.


Bioneer Builders & Design
Peter Alexander
License #558061

7 Arroyo Ave

San Anselmo, CA 94960.
Office: (415) 717-9501

Office: (408) 807-2935



Peter is definitely in my speed dial!
"Peter Alexander works exclusively with the finest craftsmen and materials and is personally involved in every aspect of his projects. This attention to detail is what truly makes them great."

New Kitchen for my growing family!
"I just got my kitchen installed last week and I'm thrilled! It was a pleasure to work with Peter - He is very professional and the fact that Bioneer Builders' staff really made everything so much easier for me. He was extremely sensitive to excellent design and without any clock ticking really gave me some outstanding and creative ideas about how to design my space as a whole - as opposed to hanging "cabinets" on the wall. He definitely is extremely talented and the project management was impeccable. The product is top of the line in the US. AMAZING."


We’re sure you’ll be 100% satisfied. We offer a 1-year warranty on defects from material and workmanship. In fact, almost all of our clients have hired us for more than one project. How many other contractors can say that?

The only way you’ll find out how we can help you create the kitchen of your dreams is to contact us today. We’ve made it very easy. Either request an estimate online or call Office: (415) 717-9501 / Office: (408) 807-2935 today to schedule your free estimate and consultation.

Thanks for taking a look at our company. We look forward to working with you.

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