Contractor License Proof

Alpha Trenchless

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1044308
Status
Active
Classifications
C-34 · PipelineC-36 · Plumbing
Contractor bond
$25,000
Workers' comp
Covered
License term on file
September 13, 2018 – February 29, 2028

Business

  • (415) 377 6939 (CSLB public record)
  • 5634 LAKEVILLE HWY, Petaluma, CA 94954Sonoma County

Are you Alpha Trenchless? Claim this listing to manage it.

Claim this listing

Request a free quote

Tell us about your project and we'll connect you with licensed, verified California contractors.

By submitting, you agree we may share your request with relevant licensed contractors to help with your project. See our Privacy Policy.

Something wrong on this page? Report incorrect information.

Other Pipeline contractors in Petaluma

101 Plumbing Solutions

C-34 · Petaluma, CA

Licensed

Verified August 4, 2026 · Bonded

Ernest Ongaro & Sons Inc DBA Ongaro & Sons

C-34 · Petaluma, CA

Licensed

Verified August 4, 2026 · Bonded

Bryan Masterson Enterprises

C-34 · Petaluma, CA

Licensed

Verified August 4, 2026 · Bonded

Michael Paul Company Inc

C-34 · Petaluma, CA

Licensed

Verified August 4, 2026 · Bonded

Charles Keller Construction Inc

C-34 · Petaluma, CA

Licensed

Verified August 4, 2026 · Bonded

Browse all Pipeline contractors in Petaluma

What to check next

How to verify a California contractor licenseRed flags when hiring a contractorLicensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Alpha Trenchless licensed in California?

Yes. Alpha Trenchless holds an active California state contractor license (CSLB #1044308), verified against the CSLB public record on August 4, 2026.

What is Alpha Trenchless's CSLB license number?

Alpha Trenchless's California contractor license number is 1044308. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Alpha Trenchless licensed for?

Alpha Trenchless is classified under Pipeline (C-34) and Plumbing (C-36) by the CSLB.

How do I verify Alpha Trenchless's license myself?

Look up license #1044308 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #1044308 on CSLB

Checking more than one contractor? Verify another license.Verify a license

See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.