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Michael O'Shaughnessy Construction, Inc. is a family run business with a proven record of excellence in underground utility installation projects in San Francisco, CA. An approved LBE provider for San Francisco, Michael O'Shaughnessy Construction is ready to assist you with your project. We specialize in sewer, gas and electrical construction.

Working with an experienced reliable contractor or subcontractor is crucial to the successful completion of any project. Before starting the project, our team of experts will first assess your needs. Then we will provide you with an estimate and time-line for completion. We understand the importance of meeting project timelines in a safe and efficient manner.
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As a leading provider of underground utility installation, we are dedicated to serving the needs of our customers in a safe and efficient way each and every day. Our team has over 20 years collective experience working on sewer, gas and electrical installation of all sizes. Sewer, water and electrical installation for both residential, commercial and public utility companies.
Reviews (1)
Joseph Sullivan
Joseph Sullivan
Nov 27, 2020
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MOS Construction A#1 Underground Construction Company. Fast, professional Great communicator and are easy to get along with!
Thanks Mick.
J Sullivan