Tsao Chyr-Shin Paul, C-10 Electrical Contractor in Diamond Bar, CA
Tsao Chyr-Shin Paul operating as a sole owner holds an active California contractor license (CSLB #670052), valid through Apr 30, 2027. First issued in 1993, the license has been on the CSLB roster for 33 years. It carries a single CSLB classification: C-10 — Electrical 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 Diamond Bar, in Los Angeles County, California.
- License Number
- 670052
- Issued
- Apr 26, 1993
- Status
- CLEAR
- Expires
- Apr 30, 2027
- Entity
- Sole Owner
- Surety
- Hudson Insurance Company
- Bond Number
- 30136467
- Effective
- Dec 31, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 21, 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 Tsao Chyr-Shin Paul licensed in California?
Yes. Tsao Chyr-Shin Paul holds California Contractors State License Board license number 670052, which is active and in good standing. The license was first issued on April 26, 1993. It is valid through April 30, 2027.
What does Tsao Chyr-Shin Paul specialize in?
Tsao Chyr-Shin Paul is licensed for one CSLB classification: C-10 Electrical Contractor.
Where is Tsao Chyr-Shin Paul headquartered?
Tsao Chyr-Shin Paul is headquartered at 2002-3 Silver Hawk Dr, Diamond Bar, CA 91765, in Los Angeles County, California.
Does Tsao Chyr-Shin Paul have an active surety bond on file with CSLB?
Yes. Tsao Chyr-Shin Paul has an active California contractor surety bond filed with Hudson Insurance Company.
Does Tsao Chyr-Shin Paul carry workers' compensation coverage?
Tsao Chyr-Shin Paul reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Tsao Chyr-Shin Paul's contractor license?
You can verify Tsao Chyr-Shin Paul's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=670052.
- License issuedApr 26, 1993
- Bond activeDec 31, 2023
- WC coverage startsMar 21, 2025
- License expiresApr 30, 2027
- Brown Charles L#147218Norwalk·C-10 Electrical Contractor
- Sound Control Company#148569Valencia·C-2 Insulation and Acoustical Contractor
- Johnson-Peltier#168893Santa Fe Springs·C-10 Electrical Contractor
- Gibbs Bros Electric CO INC#169324Los Angeles·C-10 Electrical Contractor
- Electric Service & Supply CO of Pasadena#169577Irwindale·B General Building Contractor
- Miron Electric Construction CORP#166923Chatsworth·A General Engineering Contractor
- Beach City Contractors Group INC#192592Long Beach·A General Engineering Contractor
- Eide Industries INC#211771Cerritos·B General Building Contractor
Working a California job with Tsao Chyr-Shin Paul, 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 Tsao Chyr-Shin Paul? Claim or correct this profile