Custom Plumbing Systems, C-36 Plumbing Contractor in Sebastopol, CA
Custom Plumbing Systems operating as a sole owner holds an active California contractor license (CSLB #825355), valid through Oct 31, 2027. First issued in 2003, the license has been on the CSLB roster for 23 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from Employers Preferred Insurance Company. The business is based in Sebastopol, in Sonoma County, California.
- License Number
- 825355
- Issued
- Oct 2, 2003
- Status
- CLEAR
- Expires
- Oct 31, 2027
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 100413310
- Effective
- Apr 16, 2024
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Employers Preferred Insurance Company
- Policy Number
- EIG537440102
- Effective
- Sep 30, 2025
- Expires
- Sep 30, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Custom Plumbing Systems licensed in California?
Yes. Custom Plumbing Systems holds California Contractors State License Board license number 825355, which is active and in good standing. The license was first issued on October 2, 2003. It is valid through October 31, 2027.
What does Custom Plumbing Systems specialize in?
Custom Plumbing Systems is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Custom Plumbing Systems headquartered?
Custom Plumbing Systems is headquartered at 708 Hwy 116 North Pmb 250, Sebastopol, CA 95472, in Sonoma County, California.
Does Custom Plumbing Systems have an active surety bond on file with CSLB?
Yes. Custom Plumbing Systems has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Custom Plumbing Systems carry workers' compensation coverage?
Yes. Custom Plumbing Systems carries active workers' compensation coverage through Employers Preferred Insurance Company.
How do I verify Custom Plumbing Systems's contractor license?
You can verify Custom Plumbing Systems's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=825355.
- License issuedOct 2, 2003
- Bond activeApr 16, 2024
- WC coverage startsSep 30, 2025
- WC expiresSep 30, 2026
- License expiresOct 31, 2027
- Josephs Plumbing Service#557597Sebastopol·C-36 Plumbing Contractor
- Moller Gary Plumbing#558711Rohnert Park·C-36 Plumbing Contractor
- Kane & Associates#566269Santa Rosa·C-36 Plumbing Contractor
- Sweet Water Plumbing#585153Sebastopol·C-36 Plumbing Contractor
- Custom Plumbing of Northern California INC#582526Santa Rosa·C-36 Plumbing Contractor
- Le Duc & Dexter INC#548129Santa Rosa·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Rapid Rooter#544530Healdsburg·A General Engineering Contractor
- Marshalls Plumbing#541596Santa Rosa·C-36 Plumbing Contractor
Working a California job with Custom Plumbing Systems, 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 Custom Plumbing Systems? Claim or correct this profile