Haley Contracting
Specializing in Industrial/Commercial Plumbing and Underground Piping

Underground Work

Haley Contracting is a full-service underground contractor we are licensed as a General Engineering Contractor A and also Fire Protection C-16 license.

We maintain a fleet Backhoes, Excavators, Water Wagons & Trucks, Dump Truck, Vacuum Equipment, Pipe Location, and Video Equipment.

We perform all phases of underground construction both onsite and offsite work consisting of the following:


Main Lines, Manholes, Taps, Service Lines, Metering Manholes, Video Inspection, Location, Ball & Flush, and all kinds of repairs.

Storm Drain:

Main Lines, Manholes, Taps, Manholes, Video Inspection, Location, Ball & Flush, Bio-Retention Areas.


Domestic & Fire Main Lines, Hot Taps from 1” to 10”, Fire Hydrants Installation, Repair & Flushing, Flow Testing, Domestic & Irrigation Water Services, Backflow Service & Replacement, Leak location and repair.

Our Services

Our Services

Haley Contracting specializes in commercial and industrial plumbing and underground (onsite and offsite).  We do both Prevailing Wage and Private Projects...

About Our Team

About Our Team

We are established in Stockton California and service the Central San Joaquin Valley and East Bay Area from our Stockton office...

The HC Mission

The HC Mission

To perform for our customers the highest level of quality construction services at fair and market competitive prices…

I thank you and your crew for all their work on our west pond drainage. Your staff was very courteous and easy to work with.

Recent Underground Work

Haley Contracting has completed Underground projects for Private Restaurants, Fast Food Restaurants, Private & Public Schools, Banks, Dental & Medical Offices, Multi-Story Office Buildings, Apartments, Hotels, Office Complexes, Private & Public Water Systems & Manufacturing Plants.