Adam Plumbing, C-36 Plumbing Contractor in Palo Alto, CA
Adam Plumbing operating as a sole owner holds an active California contractor license (CSLB #900642), valid through Dec 31, 2027. First issued in 2007, the license has been on the CSLB roster for 19 years. 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.
- License Number
- 900642
- Issued
- Jul 21, 2007
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67589614
- Effective
- Dec 16, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Nov 5, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Adam Plumbing licensed in California?
Yes. Adam Plumbing holds California Contractors State License Board license number 900642, which is active and in good standing. 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.
- License issuedJul 21, 2007
- WC coverage startsNov 5, 2025
- Bond activeDec 16, 2025
- License expiresDec 31, 2027
- Nelson Plumbing#626176San Jose·C-36 Plumbing Contractor
- Cupertino Plumbing INC#624905Campbell·B General Building Contractor
- Lane Greg Plumbing INC#621210San Jose·C-36 Plumbing Contractor
- Monster Mep INC#620812Los Gatos·B General Building Contractor
- San Jose Plumbing INC#615156San Jose·C-36 Plumbing Contractor
- Mueller Plumbing INC#611151San Jose·C-36 Plumbing Contractor
- Mclennan Construction#572745Los Altos·B General Building Contractor
- Foothill Plumbing#571688San Jose·C-36 Plumbing Contractor
Working a California job with Adam Plumbing, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Adam Plumbing? Claim or correct this profile