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Calplumbing CO

License #632743·Sole Owner·San Francisco, San Francisco County
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Summary

Calplumbing CO operating as a sole owner is licensed in California under CSLB number 632743. The license was first issued in 1991, putting the business at 35 years on the active CSLB roster. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Hudson Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in San Francisco, in San Francisco County, California.

Business Information
Address
P O Box 31042
San Francisco, CA 94131
License Details & Classifications
License Number
632743
Issued
Dec 6, 1991
Status
CLEAR
Expires
Dec 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Hudson Insurance Company
Bond Number
30127209
Effective
Oct 5, 2023
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
Dec 8, 2025
Expires
—
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Calplumbing CO licensed in California?

Yes. Calplumbing CO holds California Contractors State License Board license number 632743. The license was first issued on December 6, 1991. It is valid through December 31, 2027.

What does Calplumbing CO specialize in?

Calplumbing CO is licensed for one CSLB classification: C-36 Plumbing Contractor.

Where is Calplumbing CO headquartered?

Calplumbing CO is headquartered at P O Box 31042, San Francisco, CA 94131, in San Francisco County, California.

Does Calplumbing CO have an active surety bond on file with CSLB?

Yes. Calplumbing CO has an active California contractor surety bond filed with Hudson Insurance Company.

Does Calplumbing CO carry workers' compensation coverage?

Calplumbing CO reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Calplumbing CO's contractor license?

You can verify Calplumbing CO's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=632743.

Activity Timeline
  1. License issuedDec 6, 1991
  2. Bond activeOct 5, 2023
  3. WC coverage startsDec 8, 2025
  4. License expiresDec 31, 2027
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