Platinum Plumbing and Sewer, C-36 Plumbing Contractor in San Leandro, CA
Platinum Plumbing and Sewer operating as a sole owner holds an active California contractor license (CSLB #963273), valid through Jul 31, 2027. First issued in 2011, the license has been on the CSLB roster for 15 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in San Leandro, in Alameda County, California.
- License Number
- 963273
- Issued
- Jul 14, 2011
- Status
- CLEAR
- Expires
- Jul 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 101008781
- Effective
- Nov 7, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 18, 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 Platinum Plumbing and Sewer licensed in California?
Yes. Platinum Plumbing and Sewer holds California Contractors State License Board license number 963273, which is active and in good standing. The license was first issued on July 14, 2011. It is valid through July 31, 2027.
What does Platinum Plumbing and Sewer specialize in?
Platinum Plumbing and Sewer is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Platinum Plumbing and Sewer headquartered?
Platinum Plumbing and Sewer is headquartered at 1271 Washington Street 299, San Leandro, CA 94577, in Alameda County, California.
Does Platinum Plumbing and Sewer have an active surety bond on file with CSLB?
Yes. Platinum Plumbing and Sewer has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Platinum Plumbing and Sewer carry workers' compensation coverage?
Platinum Plumbing and Sewer reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Platinum Plumbing and Sewer's contractor license?
You can verify Platinum Plumbing and Sewer's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=963273.
- License issuedJul 14, 2011
- WC coverage startsJul 18, 2025
- Bond activeNov 7, 2025
- License expiresJul 31, 2027
- Diablo Plumbing INC#570711Pleasanton·C-36 Plumbing Contractor
- Tao Mechanical LTD#573397Livermore·C-36 Plumbing Contractor
- Lambros Elias Plumbing#561709Castro Valley·C-36 Plumbing Contractor
- Weber A T Plumbing & Mechanical Services INC#562098Alameda·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Amtech INC#560006Castro Valley·B General Building Contractor
- T V P C INC#560039Hayward·C-36 Plumbing Contractor
- Broadway Mechanical - Contractors INC#584263Oakland·A General Engineering Contractor
- Chou Andrew Chih-Ping#583765Union City·B General Building Contractor
Working a California job with Platinum Plumbing and Sewer, 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 Platinum Plumbing and Sewer? Claim or correct this profile