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Adam Plumbing

License #900642·Sole Owner·Palo Alto, Santa Clara County
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Summary

Adam Plumbing operating as a sole owner is licensed in California under CSLB number 900642. The license was first issued in 2007, putting the business at 19 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 Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Palo Alto, in Santa Clara County, California.

Business Information
Address
P O Box 50935
Palo Alto, CA 94303
License Details & Classifications
License Number
900642
Issued
Jul 21, 2007
Status
CLEAR
Expires
Dec 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67589614
Effective
Dec 16, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
Nov 5, 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 Adam Plumbing licensed in California?

Yes. Adam Plumbing holds California Contractors State License Board license number 900642. The license was first issued on July 21, 2007. It is valid through December 31, 2027.

What does Adam Plumbing specialize in?

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

Where is Adam Plumbing headquartered?

Adam Plumbing is headquartered at P O Box 50935, Palo Alto, CA 94303, in Santa Clara County, California.

Does Adam Plumbing have an active surety bond on file with CSLB?

Yes. Adam Plumbing has an active California contractor surety bond filed with Western Surety Company.

Does Adam Plumbing carry workers' compensation coverage?

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

How do I verify Adam Plumbing's contractor license?

You can verify Adam Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=900642.

Activity Timeline
  1. License issuedJul 21, 2007
  2. WC coverage startsNov 5, 2025
  3. Bond activeDec 16, 2025
  4. License expiresDec 31, 2027
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