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#1 Son Plumbing INC

License #1066881·Corporation·Highland, San Bernardino County
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Summary

#1 Son Plumbing INC operating as a corporation is licensed in California under CSLB number 1066881. The license was first issued in 2020, putting the business at 6 years on the active CSLB roster. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and active workers' compensation coverage from Great American Alliance Insurance Company. The business is based in Highland, in San Bernardino County, California.

Business Information
Address
P O Box 756
Highland, CA 92346
License Details & Classifications
License Number
1066881
Issued
Jul 10, 2020
Status
CLEAR
Expires
Jul 31, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Atlantic Specialty Insurance Company
Bond Number
800213415
Effective
Mar 12, 2026
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Great American Alliance Insurance Company
Policy Number
WCF46679100
Effective
Feb 7, 2026
Expires
Feb 7, 2027
Review

This contractor warrants a closer look before contracting:

  • License expires in 52 days
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 #1 Son Plumbing INC licensed in California?

Yes. #1 Son Plumbing INC holds California Contractors State License Board license number 1066881. The license was first issued on July 10, 2020. It is valid through July 31, 2026.

What does #1 Son Plumbing INC specialize in?

#1 Son Plumbing INC is licensed for one CSLB classification: C-36 Plumbing Contractor.

Where is #1 Son Plumbing INC headquartered?

#1 Son Plumbing INC is headquartered at P O Box 756, Highland, CA 92346, in San Bernardino County, California.

Does #1 Son Plumbing INC have an active surety bond on file with CSLB?

Yes. #1 Son Plumbing INC has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.

Does #1 Son Plumbing INC carry workers' compensation coverage?

Yes. #1 Son Plumbing INC carries active workers' compensation coverage through Great American Alliance Insurance Company.

How do I verify #1 Son Plumbing INC's contractor license?

You can verify #1 Son Plumbing INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1066881.

Activity Timeline
  1. License issuedJul 10, 2020
  2. WC coverage startsFeb 7, 2026
  3. Bond activeMar 12, 2026
  4. License expiresJul 31, 2026
  5. WC expiresFeb 7, 2027
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