Pipeline Contractors in Petaluma, CA
6 Pipeline contractors in Petaluma, California appear in the CSLB public record — 6 with an active license. Check each one's status, bond, workers' compensation, and classifications before you hire.
101 Plumbing Solutions
C-34 · Petaluma, CA
Verified August 4, 2026 · Bonded
Alpha Trenchless
C-34 · Petaluma, CA
Verified August 4, 2026 · Bonded
Ernest Ongaro & Sons Inc DBA Ongaro & Sons
C-34 · Petaluma, CA
Verified August 4, 2026 · Bonded
Bryan Masterson Enterprises
C-34 · Petaluma, CA
Verified August 4, 2026 · Bonded
Michael Paul Company Inc
C-34 · Petaluma, CA
Verified August 4, 2026 · Bonded
Charles Keller Construction Inc
C-34 · Petaluma, CA
Verified August 4, 2026 · Bonded
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Before you hire in Petaluma
Frequently asked questions
How many Pipeline contractors are licensed in Petaluma, California?
This directory lists 6 Pipeline contractors in Petaluma, California, of which 6 currently hold an active CSLB license.
How do I check if a Pipeline contractor is licensed in Petaluma, 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 Pipeline 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.