Success Plumbing CO, C-36 Plumbing Contractor in San Leandro, CA
Success Plumbing CO operating as a sole owner holds an active California contractor license (CSLB #720543), valid through Jul 31, 2027. First issued in 1996, the license has been on the CSLB roster for 30 years. It carries a single CSLB classification: C-36 — Plumbing 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 San Leandro, in Alameda County, California.
- License Number
- 720543
- Issued
- Mar 28, 1996
- Status
- CLEAR
- Expires
- Jul 31, 2027
- Entity
- Sole Owner
- Surety
- Hudson Insurance Company
- Bond Number
- 30030211
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jun 9, 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 Success Plumbing CO licensed in California?
Yes. Success Plumbing CO holds California Contractors State License Board license number 720543, which is active and in good standing. The license was first issued on March 28, 1996. It is valid through July 31, 2027.
What does Success Plumbing CO specialize in?
Success Plumbing CO is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Success Plumbing CO headquartered?
Success Plumbing CO is headquartered at 14488 Hemlock St, San Leandro, CA 94579, in Alameda County, California.
Does Success Plumbing CO have an active surety bond on file with CSLB?
Yes. Success Plumbing CO has an active California contractor surety bond filed with Hudson Insurance Company.
Does Success Plumbing CO carry workers' compensation coverage?
Success Plumbing CO reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Success Plumbing CO's contractor license?
You can verify Success Plumbing CO's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=720543.
- License issuedMar 28, 1996
- Bond activeJan 1, 2023
- WC coverage startsJun 9, 2025
- License expiresJul 31, 2027
- Broadway Mechanical - Contractors INC#584263Oakland·A General Engineering Contractor
- Chou Andrew Chih-Ping#583765Union City·B General Building Contractor
- Dennehy Construction#575925Berkeley·B General Building Contractor
- Tao Mechanical LTD#573397Livermore·C-36 Plumbing Contractor
- Diablo Plumbing INC#570711Pleasanton·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
- Alliance Solar Services#560667Alameda·B General Building Contractor
Working a California job with Success Plumbing CO, 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 Success Plumbing CO? Claim or correct this profile