Contractor License Proof

General Engineering Contractors in Danville, CA

26 General Engineering contractors in Danville, California appear in the CSLB public record — 23 with an active license. Check each one's status, bond, workers' compensation, and classifications before you hire.

Vanquish Environmental & Engineering

A · Danville, CA

License suspended

Verified September 28, 2026 · Bonded

Amg Excavating Inc

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Advanced Water Well Drilling & Pump Services

A · Danville, CA

License suspended

Verified September 28, 2026 · Bonded

Danliv Inc

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Boscolai Construction

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Covenant Technical Solutions Inc

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

S2serm LLC

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Green Infrastructure and Environmental Inc

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

James E Roberts-Obayashi Corporation

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Martin & Martin Construction

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Joe A Callaway

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Nugent Constructors Inc

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Production Excavating

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Jeff Roy Construction and Consulting Services Company

A · Danville, CA

License suspended

Verified August 4, 2026 · Bonded

Pacific Waste Services Inc

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Jim Freethy Excavating Inc

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Baillie Communications Inc

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

S & H Construction Inc

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

California Professional Builders Inc

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Spencon Construction Inc

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Titus MRF Services

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

H P Construction Services Inc

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Aspire Builders

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

Aquatic Harvesting

A · Danville, CA

Licensed

Verified September 28, 2026 · Bonded

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Before you hire in Danville

Frequently asked questions

How many General Engineering contractors are licensed in Danville, California?

This directory lists 26 General Engineering contractors in Danville, California, of which 23 currently hold an active CSLB license.

How do I check if a General Engineering contractor is licensed in Danville, California?

Open the contractor's profile here for their dated CSLB status, or look up their license number directly on the CSLB "Check a License" tool. A license must be active (not expired, suspended, or inactive) to be valid.

Should a General Engineering contractor carry a bond and workers' compensation?

Most active CSLB licensees carry a contractor bond, and any contractor with employees must carry workers' compensation. Each profile shows what the CSLB record reports.