Contractor License Proof

JM Welding Service Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
856533
Status
Active
Classifications
C-51 · Structural Steel
Contractor bond
$25,000
Workers' comp
Covered
License term on file
March 28, 2005 – November 30, 2026

Business

  • (510) 783 1800 (CSLB public record)
  • 1773 ADDISON WAY, Hayward, CA 94544Alameda County

Are you JM Welding Service Inc? 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.

Other Structural Steel contractors in Hayward

Ecm Steel Inc

C-51 · Hayward, CA

Licensed

Verified June 17, 2026 · Bonded

Shum Kanger Kin Chung

C-51 · Hayward, CA

Licensed

Verified June 17, 2026 · Bonded

C&l Steel Inc

C-51 · Hayward, CA

Licensed

Verified June 17, 2026 · Bonded

Shum Kelvin Kinfun

C-51 · Hayward, CA

Licensed

Verified June 17, 2026 · Bonded

Dual Steel Inc

C-51 · Hayward, CA

Licensed

Verified June 17, 2026 · Bonded

Cisneros Structural Steel

C-51 · Hayward, CA

License suspended

Verified June 17, 2026 · Bonded

Browse all Structural Steel contractors in Hayward

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 JM Welding Service Inc licensed in California?

Yes. JM Welding Service Inc holds an active California state contractor license (CSLB #856533), verified against the CSLB public record on June 17, 2026.

What is JM Welding Service Inc's CSLB license number?

JM Welding Service Inc's California contractor license number is 856533. 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 JM Welding Service Inc licensed for?

JM Welding Service Inc is classified under Structural Steel (C-51) by the CSLB.

How do I verify JM Welding Service Inc's license myself?

Look up license #856533 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 June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #856533 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.