Bierman Backflow Service, C-36 Plumbing Contractor in Newport Beach, CA
Bierman Backflow Service operating as a sole owner holds California contractor license #838157, which is currently expired (lapsed May 31, 2026) and not valid to contract until it is renewed. 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 Hudson Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Newport Beach, in Orange County, California.
- License Number
- 838157
- Issued
- May 14, 2004
- Status
- CLEAR
- Expires
- May 31, 2026
- Entity
- Sole Owner
- Surety
- Hudson Insurance Company
- Bond Number
- 30037595
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- May 21, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Bierman Backflow Service licensed in California?
Bierman Backflow Service previously held California Contractors State License Board license number 838157, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 14, 2004.
What does Bierman Backflow Service specialize in?
Bierman Backflow Service is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Bierman Backflow Service headquartered?
Bierman Backflow Service is headquartered at 1048 Irvine Avenue #413, Newport Beach, CA 92660, in Orange County, California.
Does Bierman Backflow Service have an active surety bond on file with CSLB?
Yes. Bierman Backflow Service has an active California contractor surety bond filed with Hudson Insurance Company.
Does Bierman Backflow Service carry workers' compensation coverage?
Bierman Backflow Service reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Bierman Backflow Service's contractor license?
You can verify Bierman Backflow Service's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=838157.
- License issuedMay 14, 2004
- Bond activeJan 1, 2023
- WC coverage startsMay 21, 2024
- License expiredMay 31, 2026
- Thomas F M Air Conditioning INC#313574Brea·B General Building Contractor
- Evans Michael A Plumbing#317811Fountain Valley·B General Building Contractor
- Pacific States Utility Company#316550Anaheim·A General Engineering Contractor
- Liquid Plumbing INC#322064Anaheim·C-36 Plumbing Contractor
- American Contractors INC#309863Orange·C-34 Pipeline Contractor
- Metzger Bill Plumbing INC#309710San Clemente·C-36 Plumbing Contractor
- Archer Plumbing INC#310933Garden Grove·C-36 Plumbing Contractor
- H P L Mechanical INC#308208Santa Ana·B General Building Contractor
Working a California job with Bierman Backflow Service, 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 Bierman Backflow Service? Claim or correct this profile