American Plumbing & Drain, C-36 Plumbing Contractor in San Mateo, CA
American Plumbing & Drain operating as a sole owner holds an active California contractor license (CSLB #851101), valid through Dec 31, 2026. First issued in 2004, the license has been on the CSLB roster for 22 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in San Mateo, in San Mateo County, California.
- License Number
- 851101
- Issued
- Dec 11, 2004
- Status
- CLEAR
- Expires
- Dec 31, 2026
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800211701
- Effective
- Oct 17, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 1, 2024
- 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 American Plumbing & Drain licensed in California?
Yes. American Plumbing & Drain holds California Contractors State License Board license number 851101, which is active and in good standing. The license was first issued on December 11, 2004. It is valid through December 31, 2026.
What does American Plumbing & Drain specialize in?
American Plumbing & Drain is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is American Plumbing & Drain headquartered?
American Plumbing & Drain is headquartered at 7 West 41st Avenue 342, San Mateo, CA 91403, in San Mateo County, California.
Does American Plumbing & Drain have an active surety bond on file with CSLB?
Yes. American Plumbing & Drain has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does American Plumbing & Drain carry workers' compensation coverage?
American Plumbing & Drain reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify American Plumbing & Drain's contractor license?
You can verify American Plumbing & Drain's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=851101.
- License issuedDec 11, 2004
- WC coverage startsDec 1, 2024
- Bond activeOct 17, 2025
- License expiresDec 31, 2026
- Pacific Plumbing#587293San Carlos·C-36 Plumbing Contractor
- Brady Air Conditioning INC#585882South San Francisco·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Better Construction LTD#575102Daly City·B General Building Contractor
- Husted Construction#551626Daly City·B General Building Contractor
- Eagle's General Construction CO#550505Millbrae·B General Building Contractor
- Hansen A G Plumbing#549086Menlo Park·C-36 Plumbing Contractor
- Kim Young Builders INC#547069Daly City·B General Building Contractor
- Cpr Plumbing#547484San Carlos·C-36 Plumbing Contractor
Working a California job with American Plumbing & Drain, 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 American Plumbing & Drain? Claim or correct this profile