Clopton William H III, B General Building Contractor in East Palo Alto, CA
Clopton William H III operating as a sole owner holds an active California contractor license (CSLB #534368), valid through Jul 31, 2026. First issued in 1988, the license has been on the CSLB roster for 38 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from Employers Preferred Insurance Company. The business is based in East Palo Alto, in Santa Clara County, California.
- License Number
- 534368
- Issued
- Jul 8, 1988
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 68858986
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Employers Preferred Insurance Company
- Policy Number
- EIG529863402
- Effective
- Jul 12, 2025
- Expires
- Jul 12, 2026
This contractor warrants a closer look before contracting:
- License expires in 26 days
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Clopton William H III licensed in California?
Yes. Clopton William H III holds California Contractors State License Board license number 534368, which is active and in good standing. The license was first issued on July 8, 1988. It is valid through July 31, 2026.
What does Clopton William H III specialize in?
Clopton William H III is licensed for one CSLB classification: B General Building Contractor.
Where is Clopton William H III headquartered?
Clopton William H III is headquartered at 882 Bell St, East Palo Alto, CA 94303, in Santa Clara County, California.
Does Clopton William H III have an active surety bond on file with CSLB?
Yes. Clopton William H III has an active California contractor surety bond filed with Western Surety Company.
Does Clopton William H III carry workers' compensation coverage?
Yes. Clopton William H III carries active workers' compensation coverage through Employers Preferred Insurance Company.
How do I verify Clopton William H III's contractor license?
You can verify Clopton William H III's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=534368.
- License issuedJul 8, 1988
- Bond activeJan 1, 2023
- WC coverage startsJul 12, 2025
- WC expiresJul 12, 2026
- License expiresJul 31, 2026
- Brown Vance INC#122847Palo Alto·B General Building Contractor
- Rosendin Electric INC#142881San Jose·A General Engineering Contractor
- Dolan Concrete Construction#160131Santa Clara·B General Building Contractor
- California Drywall CO#148320San Jose·B General Building Contractor
- Perez Don House Movers & Mobile Homes INC#152989San Jose·B General Building Contractor
- Cupertino Electric INC#174637San Jose·A General Engineering Contractor
- Mc Donald O C CO INC#177271San Jose·A General Engineering Contractor
- Peletz C M CO#176613San Jose·A General Engineering Contractor
Working a California job with Clopton William H III, 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 Clopton William H III? Claim or correct this profile