Public CSLB records

Norstar Plumbing & Engineering INC, A General Engineering Contractor in Alta Loma, CA

License #633471·Corporation·Alta Loma, San Bernardino County
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Summary

Norstar Plumbing & Engineering INC operating as a corporation holds an active California contractor license (CSLB #633471), valid through Feb 29, 2028. First issued in 1991, the license has been on the CSLB roster for 35 years. It carries 2 CSLB classifications: A General Engineering Contractor and C-36 Plumbing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Zurich American Insurance Company. The business is based in Alta Loma, in San Bernardino County, California.

Business Information
Address
8780 19th St #310
Alta Loma, CA 91701
License Details & Classifications
License Number
633471
Issued
Dec 14, 1991
Status
CLEAR
Expires
Feb 29, 2028
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100145520
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Zurich American Insurance Company
Policy Number
WC686348901
Effective
Jan 1, 2026
Expires
Jan 1, 2027
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Norstar Plumbing & Engineering INC licensed in California?

Yes. Norstar Plumbing & Engineering INC holds California Contractors State License Board license number 633471, which is active and in good standing. The license was first issued on December 14, 1991. It is valid through February 29, 2028.

What does Norstar Plumbing & Engineering INC specialize in?

Norstar Plumbing & Engineering INC is licensed for 2 CSLB classifications: A General Engineering Contractor and C-36 Plumbing Contractor.

Where is Norstar Plumbing & Engineering INC headquartered?

Norstar Plumbing & Engineering INC is headquartered at 8780 19th St #310, Alta Loma, CA 91701, in San Bernardino County, California.

Does Norstar Plumbing & Engineering INC have an active surety bond on file with CSLB?

Yes. Norstar Plumbing & Engineering INC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Norstar Plumbing & Engineering INC carry workers' compensation coverage?

Yes. Norstar Plumbing & Engineering INC carries active workers' compensation coverage through Zurich American Insurance Company.

How do I verify Norstar Plumbing & Engineering INC's contractor license?

You can verify Norstar Plumbing & Engineering INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=633471.

Activity Timeline
  1. License issuedDec 14, 1991
  2. Bond activeJan 1, 2023
  3. WC coverage startsJan 1, 2026
  4. WC expiresJan 1, 2027
  5. License expiresFeb 29, 2028
Other contractors in San Bernardino County
California lien & payment resources

Working a California job with Norstar Plumbing & Engineering INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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