Contractor License Proof

Kwan Wo Ironworks Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
643621
Status
Active
Classifications
B · General BuildingC-51 · Structural Steel
Contractor bond
$25,000
Workers' comp
Covered
License term on file
April 29, 1992 – April 30, 2028

Business

  • (510) 487 9628 (CSLB public record)
  • 31628 HAYMAN STREET, Hayward, CA 94544Alameda County

Are you Kwan Wo Ironworks 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.

Something wrong on this page? Report incorrect information.

Other General Building contractors in Hayward

Top Line Engineers Inc

B · Hayward, CA

Licensed

Verified August 4, 2026 · Bonded

Coastal Construction Services LLC

B · Hayward, CA

Licensed

Verified August 4, 2026 · Bonded

H B Kitchen Bath Inc

B · Hayward, CA

Licensed

Verified August 4, 2026 · Bonded

O I Buildworks

B · Hayward, CA

Licensed

Verified August 4, 2026 · Bonded

R L Construction

B · Hayward, CA

Licensed

Verified August 4, 2026 · Bonded

Superior Home Construction

B · Hayward, CA

Licensed

Verified August 4, 2026 · Bonded

Browse all General Building 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 Kwan Wo Ironworks Inc licensed in California?

Yes. Kwan Wo Ironworks Inc holds an active California state contractor license (CSLB #643621), verified against the CSLB public record on August 4, 2026.

What is Kwan Wo Ironworks Inc's CSLB license number?

Kwan Wo Ironworks Inc's California contractor license number is 643621. 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 Kwan Wo Ironworks Inc licensed for?

Kwan Wo Ironworks Inc is classified under General Building (B) and Structural Steel (C-51) by the CSLB.

How do I verify Kwan Wo Ironworks Inc's license myself?

Look up license #643621 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 #643621 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.