Built Below Grade.
Trusted Above It.

Water main installation with blue water piping in a San Diego roadway trench.
Water service installation connecting underground utility piping in San Diego.
Water service installation and back flow preventer installation for a Southern California project.
Fire service installation with a back flow preventer connected to underground water piping.
Sewer main installation, sewer service installation and sewer lateral installation in a shored trench.
Concrete sidewalk installation and concrete driveway installation with roadway restoration.

Underground Infrastructure, Built With Certainty
CalShah Construction is a California Class A General Engineering Contractor specializing in complex wet and dry utility work across San Diego and Southern California. Led by a licensed civil engineer with 18 years of municipal infrastructure experience, we unite design insight, field execution, and responsive coordination under one accountable team.

CORE CAPABILITIES
Water mains & services
Sewer mains & laterals
Fire services & backflow assemblies
Storm drain & biofiltration systems
Gas lines & electrical conduit
Concrete, curb, gutter & driveways
Asphalt paving, overlays & slurry seal
Right-of-way design & permitting

WHY CALSHAH
Engineer-led planning. Self-performed field work. Clear communication. Safe, precise execution from preconstruction through final restoration.
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