Brad H.
5/17/2022
Elias is an awesome human. We hired him to grade our yard in San Jose and he and his crew did an incredible job. We have a small side gate that made it difficult to get machinery into the back...
Golden State Underground
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Peak Dr
San Jose, CA 95127
Golden State Underground, a fully licensed Class A Contractor based in San Jose, CA, specializes in precise and safe excavation services tailored for utility installations and maintenance. With over a decade of experience, their dedicated team is committed to delivering efficient solutions that protect existing infrastructures while ensuring the seamless integration of new utilities.
The company offers a comprehensive range of services, including wet utilities such as water and sewer lines, dry utilities like telecommunications and electrical infrastructure, and hardscape solutions including concrete and stone work. Their reputation as a trusted partner in utility excavation is built on a commitment to quality and customer satisfaction.
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Reviews
4.56 reviews
Teresa M.
6/7/2025
Excellent communication, quick, precise, and reliable company. They did an excellent job at my home. I recommend them.
Michael A.
1/1/2025
No follow up. Called and gave information for a job and was told they would come out on a certain day. They never came or got back to me. I ended up finding someone else.
Robert L.
4/7/2025
Most productive, high quality, great price, time-efficent work I've ever contracted. A team of strong men, always on top of every detail. I gotta say, I want to get more work done just to contract...
Kwan Ting H.
4/14/2024
Very communicative and helpful. I highly recommend this company. He also referred us to other vendor we needed for our construction.
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