About Us

Manhole Construction Specialists, Inc. has been serving California since 2008, delivering high-quality manhole construction, precast concrete products, and coating and rehabilitation services throughout Southern California. Our skilled union manhole builders and boom-truck operators are trained and equipped to complete projects safely, efficiently, and on schedule, helping contractors keep their jobs moving to the next phase. From precast manholes, grade rings, rings and covers, and custom T-Lock shafting to groundwater infiltration abatement and Sauereisen SewerGard® 210 polymer lining, MCS provides dependable solutions built for strength, durability, and long-term performance in demanding sewer, storm drain, and utility applications.