We are a BBB A+ rated foundation repair contractor serving San Jose, Sacramento, Fairfield, and more. Get started with a free inspection and quote today. Getting foundation repairs as a homeowner can be complicated. Bay Area Underpinning promises to guide you each step of the way. With our "By Your Side Guarantee" we promise to be by your side throughout
Chris Chiodo —
Positive: Professionalism, Quality, Value
BAU built me a basement under my house and it looks great. From start to finish