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US flag  Veteran-Owned  ·  DVBE & SDVOSB Certified  ·  Rancho Cucamonga, CA

GPR Utility Scanning · Concrete Cutting · Core Drilling · Demolition

SCAN. CUT.
CORE.
DEMO.

Licensed General Engineering Contractor serving Southern California — specializing in concrete flat sawing, core drilling, GPR utility scanning, and concrete demolition for public infrastructure and commercial GCs.

Call (909) 519-6754 View Services
5+
Certifications
5
Counties Served
DIR
Registered
PW
Prevailing Wage Ready

Based in Rancho Cucamonga, CA — serving the Inland Empire, Los Angeles, Orange County, Riverside, San Bernardino, and San Diego. DVBE and SDVOSB certified. GPR utility scanning on every job.

DVBE Certified
SDVOSB
Small Business (SB)
Micro Public Infrastructure
VOB
DIR Registered
SAM.gov UEI: Q2HCJ6M17UX1
NULCA Member
BBB Accredited Business

What we do

Our Services

Four specialized services built around one standard: GPR scanning before any cut, core, or demolition — every time, no exceptions.

Core Capability 01

Concrete Flat Sawing

Precision flat sawing of roadways, concrete slabs, asphalt, and flatwork for public infrastructure agencies, municipalities, water districts, and GCs throughout Southern California. Prevailing wage compliant.

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Core Capability 02

Core Drilling

Wet and dry diamond core drilling for MEP penetrations, anchor bolts, drain lines, and structural openings in concrete and masonry. Precise, clean, on schedule — every time.

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Core Capability 03

GPR Utility Scanning

Ground-penetrating radar subsurface scanning to locate rebar, post-tension cables, conduit, and voids before any cutting or coring begins. Required on every job — no exceptions. We protect your infrastructure first.

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Core Capability 04

Concrete Demolition

Selective and structural concrete demolition from surface-level slab removal to full structural breaking. We work clean and precise — minimizing impact on surrounding structures, utilities, and adjacent work in place.

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Why choose us

Built for Public Infrastructure.
Backed by Service.

DVBE & SDVOSB Certified

Fulfill your agency's DVBE participation requirements with a certified, field-proven contractor. Sole-source eligible under qualifying thresholds.

Scan Before Every Cut

GPR scanning is built into our process — not an upsell. We locate before we cut, every time, protecting your infrastructure and eliminating costly surprises.

Prevailing Wage Ready

DIR registered and fully compliant with California prevailing wage requirements. No learning curve on public infrastructure compliance.

Veteran-Owned & Operated

Discipline, precision, and accountability on every job site — values instilled through military service and applied to every project we take on.

About Earthworks Engineering

Service-Disabled.
Veteran-Built.

Earthworks Engineering is a licensed General Engineering Contractor founded and operated by a service-disabled veteran. We bring the same discipline, precision, and commitment to every job site that we learned in uniform.

We specialize in concrete flat sawing, core drilling, GPR utility scanning, and concrete demolition for public infrastructure and commercial projects across Southern California. Our certifications open doors — our precision keeps them open.

CSLB License #1031142  |  SAM.gov UEI: Q2HCJ6M17UX1

5+

Certifications Held

5

Counties Served

DIR

Registered Contractor

PW

Prevailing Wage Ready

Certifications & Registrations

DVBE

Disabled Veteran Business Enterprise — California

SDVOSB

Service-Disabled Veteran-Owned Small Business — Federal

SBE

Small Business Enterprise — California

Micro Public Infrastructure

Micro Small Business — Public Infrastructure Certified

VOB

Veteran-Owned Business

DIR Registered

California Dept. of Industrial Relations — Prevailing Wage

NULCA Member

National Utility Locating Contractors Association

BBB Accredited Business

Better Business Bureau Accredited — verified standards of trust and transparency

SAM.gov Registered

UEI: Q2HCJ6M17UX1 — Federal contracting eligible

Where we work

Service Area

Based in Rancho Cucamonga, we mobilize across Southern California for public infrastructure, commercial, and prevailing wage projects — with federal project reach into San Diego.

San Bernardino County

Primary base — SBCTA, water districts, local agencies

Riverside County

RCTC, municipalities, commercial GCs

Los Angeles County

LA Metro, Army Corps, LADWP, municipalities

Orange County

OCTA, municipalities, public infrastructure agencies

San Diego County

VA, Army Corps — federal project reach

GPR Scanning by City

Dedicated GPR Coverage Pages

4-hour response for GPR utility scanning across our top-demand cities. Same-day mobilization, same-hour quotes.

Rancho Cucamonga GPR Scanning → Riverside GPR Scanning → San Bernardino GPR Scanning → Ontario GPR Scanning →

Safety program

Safety First.
Every Job Site.

Earthworks Engineering operates with a zero-incident mindset. Our safety program meets and exceeds public agency requirements for prevailing wage and public infrastructure projects.

Certifications

OSHA 30-Hour Construction

In progress — cert number to be added

OSHA 10-Hour Construction

Crew-level certification

First Aid / CPR Certified

Current certification on file

EMR Rate

Available upon request

Safety Policy

Every Earthworks Engineering job site operates under a written safety plan. We conduct pre-task toolbox talks, equipment inspections, and hazard assessments before work begins. Our crews are trained to stop work when conditions are unsafe — no schedule or deadline overrides that standard.

What We Require on Every Job

  • Pre-task safety briefing (toolbox talk)
  • PPE compliance — hard hat, vest, eye and foot protection
  • GPR scan before any concrete cutting or drilling
  • Equipment inspection log before mobilization
  • Emergency contact and site safety plan on file

Need our safety documentation?

We provide insurance certificates, EMR letters, and safety plans upon request for bid packages and vendor qualification.

Request Documents

Common Questions

Frequently Asked Questions

Straight answers about who we are, what we're certified to do, and where we work — no marketing fluff, just the facts contractors and agencies need for vendor prequalification and bid packages.

Who is Earthworks Engineering?

Earthworks Engineering is a licensed General Engineering Contractor (CSLB #1031142) based in Rancho Cucamonga, California. The company is founded and operated by a service-disabled veteran and specializes in GPR utility scanning, concrete flat sawing, core drilling, and concrete demolition for public infrastructure agencies, prime contractors, and commercial general contractors.

What certifications does Earthworks Engineering hold?

Earthworks Engineering holds DVBE (Disabled Veteran Business Enterprise, California), SDVOSB (Service-Disabled Veteran-Owned Small Business, federal), SBE (Small Business Enterprise, California), Micro Public Infrastructure certification, VOB (Veteran-Owned Business), DIR registration (California Dept. of Industrial Relations, prevailing wage), NULCA membership (National Utility Locating Contractors Association), and BBB Accreditation. The company is also registered on SAM.gov (UEI: Q2HCJ6M17UX1) for federal contracting eligibility.

What areas does Earthworks Engineering serve?

Earthworks Engineering is based in Rancho Cucamonga and serves San Bernardino County, Riverside County, Los Angeles County, and Orange County directly, with federal project reach into San Diego County (including VA and Army Corps of Engineers projects). The company offers 4-hour typical response times for GPR scanning across the Inland Empire, Los Angeles, and Orange County during business hours.

Does Earthworks Engineering scan for utilities before cutting or coring?

Yes. GPR (ground-penetrating radar) utility scanning is standard on every job, not an optional add-on. Every concrete flat sawing, core drilling, and demolition project includes a GPR scan first to locate rebar, post-tension cables, embedded conduit, and voids before any cutting begins.

Is Earthworks Engineering qualified for public works and prevailing wage projects?

Yes. Earthworks Engineering is DIR registered and fully compliant with California prevailing wage requirements for public works, Caltrans, school district, and public infrastructure projects. The company's DVBE and SDVOSB certifications also make it eligible to help public agencies and prime contractors meet participation and sole-source thresholds.

How do I request a quote or safety documentation?

Call (909) 519-6754 or use the contact form on this site. Insurance certificates, EMR letters, written safety plans, and certification documentation are available on request for bid packages and vendor prequalification.