Contractor License Proof

Joseph C Sand Co Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
280333
Status
Active
Classifications
C-36 · PlumbingC-4 · Boiler, Hot-Water Heating and Steam FittingC-42 · Sanitation SystemC-60 · Welding
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
November 27, 1972 – January 31, 2027

Business

  • (415) 640 4160 (CSLB public record)
  • 292 CHURCH STREET, San Francisco, CA 94114San Francisco County

Are you Joseph C Sand Co 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 Plumbing contractors in San Francisco

Builda Global Building Company

C-36 · San Francisco, CA

Licensed

Verified August 4, 2026 · Bonded

Deep Elm Construction LLC

C-36 · San Francisco, CA

Licensed

Verified August 4, 2026 · Bonded

Bay City Plumbing

C-36 · San Francisco, CA

Licensed

Verified August 4, 2026 · Bonded

Handyman Heroes Inc

C-36 · San Francisco, CA

Licensed

Verified August 4, 2026 · Bonded

Youda Builders Inc

C-36 · San Francisco, CA

Licensed

Verified August 4, 2026 · Bonded

Hydro Flow Systems Inc

C-36 · San Francisco, CA

Licensed

Verified August 4, 2026 · Bonded

Browse all Plumbing contractors in San Francisco

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 Joseph C Sand Co Inc licensed in California?

Yes. Joseph C Sand Co Inc holds an active California state contractor license (CSLB #280333), verified against the CSLB public record on August 4, 2026.

What is Joseph C Sand Co Inc's CSLB license number?

Joseph C Sand Co Inc's California contractor license number is 280333. 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 Joseph C Sand Co Inc licensed for?

Joseph C Sand Co Inc is classified under Plumbing (C-36), Boiler, Hot-Water Heating and Steam Fitting (C-4), Sanitation System (C-42), and Welding (C-60) by the CSLB.

How do I verify Joseph C Sand Co Inc's license myself?

Look up license #280333 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 #280333 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.