CA Lic. #830680 | Founded 1985

Zamborelli Enterprises, Inc.

Foundation drilling and shoring for demanding Southern California sites.

Tieback drilling equipment on a jobsite
1985 Founded in Laguna Beach, California
Foundation drilling Shoring and tiebacks Limited-access work
1985 Founded
50+ Years of team drilling experience noted in company materials
3 Core Southern California counties served
$600K-$5.3M Listed project range with listed costs

Specialty Foundation Contractor

Built for sites where access, soil, and sequencing matter.

Zamborelli supports general contractors, owners, and design teams with foundation drilling, shoring, tieback, soil nail, underpinning, and limited-access drilling work across Southern California.

The company’s listed capabilities include large diameter shafts, low-overhead drilling, limited-access equipment, tiebacks, rock bolts, underpinning, hand-mined shafts, soil nails with shotcrete, micropiles, tunneling, high-water-table work, seawalls, and construction platforms for difficult access conditions.

Large diameter shaft drilling work

Featured Capability

Deep foundations and shoring systems for demanding field conditions.

Zamborelli’s work centers on drilled foundations, earth retention, restricted-access drilling, and field planning for sites where equipment fit and sequencing matter.

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Core Specialties

Deep foundation and retention work

Services are organized around drilling, shoring, stabilization, underpinning, and limited-access conditions.

Large Diameter Shafts

Drilled shaft work for deep foundation systems, bridge structures, hillside construction, and heavy civil foundations.

Limited Access Drilling

Low-overhead and restricted-access drilling for sites where conventional equipment cannot operate efficiently.

Shoring with Tiebacks

Earth retention systems built around practical means, capable equipment, and field experience on complex excavations.

Soil Nails and Shotcrete

Slope, excavation, and hillside stabilization support using soil nails, shotcrete coordination, and custom equipment setups.

Underpinning and Micropiles

Deep foundation support for existing structures, tight sites, and repair conditions that require careful sequencing.

Tunneling and Access Passages

Design-build tunneling and passage work around active facilities, access constraints, and sensitive sequencing.

Seawall and High-Water Work

Foundation and retention support for waterfront or high-water-table conditions where sequencing and ground control matter.

Construction Platforms

Design-build temporary platforms for limited-access sites where rigs and materials need controlled access.

Design-Build Support

Practical preconstruction input for general contractors, owners, and design teams planning foundation and shoring work.

Markets

Built for public, private, hillside, and access-limited work.

Commercial foundationsPublic and infrastructure workHillside stabilizationLimited-access sitesResidential structural supportRepair and underpinning conditionsHospital and active-facility workWaterfront and high-water-table work

Equipment

Custom and conventional rigs

Limited-access machines, crane-mounted rigs, excavator-mounted rigs, custom soil nail and tieback setups, cranes, compressors, and support equipment.

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Capabilities

Foundation and shoring scope

Large diameter shafts, shoring with tiebacks, rock bolts, underpinning, hand-mined shafts, soil nails with shotcrete, micropiles, and limited-access drilling.

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Planning

Site access planning

Contractors can start with site constraints, drilling requirements, equipment access, and sequencing so the right approach is discussed early.

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Project Planning

Have a complex foundation or shoring condition?

Call the team to discuss access, equipment fit, sequencing, and drilling requirements.

(949) 464-0400