Joseph Engineering - Underground Utility Contractor

Our Projects

We're proud of the work we do and the partnerships we build. Below are a few examples of projects that reflect our commitment to quality, safety, and collaboration.

Federal & Secure Facilities
Commercial & Public Works
Federal Installations

Federal & Secure Facilities

Joseph Engineering has successfully delivered multiple design-build construction projects at Vandenberg Space Force Base (VSFB), supporting a variety of mission-critical scopes across the installation. Our experience working within secure federal environments reflects our ability to plan, coordinate, and execute work safely while meeting strict performance, regulatory, and security requirements. In addition to our work at VSFB, JE has completed projects for the U.S. Department of Forestry and the California National Guard. Across all federal and state agency work, our team brings a collaborative, safety-first approach—coordinating closely with agency representatives to ensure projects are completed efficiently, compliantly, and with minimal disruption to ongoing operations.

Astound / Hayes Construction
Commercial & Public Works
Grover Beach, CA

Astound / Hayes Construction

Installed thousands of feet of conduit for communication infrastructure using horizontal directional drilling and open trenching methods. Perform projects from demolition stage to final restoration.

Legacy Homes – Village Square Main Dry Line Installation
Residential
Los Alamos, CA

Legacy Homes – Village Square Main Dry Line Installation

Installed approximately 3,000 feet of electrical and communications conduit and performed trench/backfill for a gas line at a residential project with 59 homes.

Frontier Communications / HCI & LineWorks
Commercial & Public Works
Orcutt and Santa Maria

Frontier Communications / HCI & LineWorks

Installed communication infrastructure from demolition to conduit installation to final restoration, our team successfully placed over 100,000 feet of conduit using horizontal directional drilling and open trenching methods.

Comcast Inc. / Hayes Construction
Commercial & Public Works
Northern Santa Barbara County, CA

Comcast Inc. / Hayes Construction

Install thousands of conduits for communication infrastructure using horizontal directional drilling and open trenching methods. Perform projects from demolition stage to final restoration.

Golden State Water
Commercial & Public Works
Orcutt, Nipomo and Los Osos, CA

Golden State Water

Perform repairs, maintenance and install water utility systems, handling projects from small line replacements to extensive 8-inch main replacements. We manage the process from initial demolition to final restoration, ensuring comprehensive service delivery.

Track Homes for Various Developers
Residential
Paso Robles to Santa Ynez Valley

Track Homes for Various Developers

Successfully accomplished finish grading and wet/dry utility tie-ins for more than 1,500 homes across California's Central Coast.

What Our Clients Say

Trusted by homeowners, businesses, and agencies across California's Central Coast

"Joseph Engineering replaced our failing septic system quickly and professionally. Their team was knowledgeable, courteous, and left our property in better condition than they found it. We highly recommend them for any underground utility work."
— Ralph Turchiano, Residential Customer
"An appointment was made to give me ideas about my yard. They were on time and polite. He gave several suggestions as to what I could do with my yard and the approximate cost."
— Patricia C, Atascadero, CA
"Deliver Soil, Sand, Mulch and Rock. Replied to us very promptly and they did the job well at a reasonable price. What more could you want?"
— Dennis H, Santa Maria, CA
"On behalf of Father Lawrence, the Parish Council and parishioners of the Orthodox Church of the Annunciation, I thank you for the excellent work you did to extend our cable connection for internet from the social hall to the church building. The labor and materials you provided for this project were a blessing to our parish. This new connection makes it simpler for us to stream our services over the internet."
— Mike Miller, Orthodox Church of the Annunciation, Santa Maria, CA
"Value and quality combined and on time exactly what I needed!"
— Eddie S, Atascadero, CA
"It was a pleasure doing business with Brian."
— David P, Oceano, CA
"The final product looks incredible. Thank you and your team."
— Patrick S, Nipomo, CA
"Williams Homes is a premier builder on the Central Coast. We carefully select the people who help build our communities and Joseph Engineering continues to win in the underground trade. I have worked with Joseph Engineering over the past 15 years here on the Central Coast and their professionalism and quality work continue to exceed our expectations."
— Rob Giordano, VP of Construction, Williams Homes

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