Ampro Backflow, C-36 Plumbing Contractor in San Diego, CA
Ampro Backflow operating as a sole owner holds California contractor license #882633, which is currently expired (lapsed Aug 31, 2026) and not valid to contract until it is renewed. First issued in 2006, the license has been on the CSLB roster for 20 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 Diego, in San Diego County, California.
- License Number
- 882633
- Issued
- Aug 15, 2006
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Sole Owner
- Surety
- Hudson Insurance Company
- Bond Number
- 30144801
- Effective
- Jul 21, 2024
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 26, 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 Ampro Backflow licensed in California?
Ampro Backflow previously held California Contractors State License Board license number 882633, but the license expired on August 31, 2026 and is not currently valid. It was first issued on August 15, 2006.
What does Ampro Backflow specialize in?
Ampro Backflow is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Ampro Backflow headquartered?
Ampro Backflow is headquartered at 2910 Kellogg St A3, San Diego, CA 92106, in San Diego County, California.
Does Ampro Backflow have an active surety bond on file with CSLB?
Yes. Ampro Backflow has an active California contractor surety bond filed with Hudson Insurance Company.
Does Ampro Backflow carry workers' compensation coverage?
Ampro Backflow reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Ampro Backflow's contractor license?
You can verify Ampro Backflow's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=882633.
- License issuedAug 15, 2006
- Bond activeJul 21, 2024
- WC coverage startsJul 26, 2024
- License expiredAug 31, 2026
- Hudson Dennis Plumbing & Htg & Air Cond#357265Alpine·C-20 HVAC Contractor
- Gomez Gerardo#349946Carlsbad·C-16 Fire Protection Contractor
- Ideal Plumbing Heating Air Electrical INC#348810San Diego·B General Building Contractor
- Sumac Development INC#345883Rancho Santa Fe·A General Engineering Contractor
- Bob Jenson Air Conditioning INC#340838San Diego·C-20 HVAC Contractor
- Berghoff Daniel#334482San Diego·B General Building Contractor
- Mata Enterprises#328884Oceanside·C-10 Electrical Contractor
- Booth Don Plumbing#330448San Diego·C-36 Plumbing Contractor
Working a California job with Ampro Backflow, 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 Ampro Backflow? Claim or correct this profile