Public CSLB records

C N S Mechanical INC, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor in Petaluma, CA

License #881051·Corporation·Petaluma, Sonoma County
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Summary

C N S Mechanical INC operating as a corporation holds California contractor license #881051, which is currently expired (lapsed Jul 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 2 CSLB classifications: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor and C-36 Plumbing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with American Casualty Company of Reading PA that is no longer active. The business is based in Petaluma, in Sonoma County, California.

Business Information
Address
1334 Ross St Ste B
Petaluma, CA 94954
License Details & Classifications
License Number
881051
Issued
Jul 18, 2006
Status
CLEAR
Expires
Jul 31, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100582434
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
American Casualty Company of Reading PA
Policy Number
WC792703701
Effective
Aug 1, 2024
Expires
Aug 1, 2026
Alert

This contractor has a compliance issue in its public CSLB record:

  • License expired
  • No active workers' comp on file
License StatusInactive / Expired
Contractor BondOn file
Workers' CompensationInactive

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

Frequently asked questions
Is C N S Mechanical INC licensed in California?

C N S Mechanical INC previously held California Contractors State License Board license number 881051, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 18, 2006.

What does C N S Mechanical INC specialize in?

C N S Mechanical INC is licensed for 2 CSLB classifications: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor and C-36 Plumbing Contractor.

Where is C N S Mechanical INC headquartered?

C N S Mechanical INC is headquartered at 1334 Ross St Ste B, Petaluma, CA 94954, in Sonoma County, California.

Does C N S Mechanical INC have an active surety bond on file with CSLB?

Yes. C N S Mechanical INC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does C N S Mechanical INC carry workers' compensation coverage?

C N S Mechanical INC has a previously-filed workers' compensation policy with American Casualty Company of Reading PA that is no longer active.

How do I verify C N S Mechanical INC's contractor license?

You can verify C N S Mechanical INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=881051.

Activity Timeline
  1. License issuedJul 18, 2006
  2. Bond activeJan 1, 2023
  3. WC coverage startsAug 1, 2024
  4. License expiredJul 31, 2026
  5. WC expiredAug 1, 2026
Other contractors in Sonoma County
California lien & payment resources

Working a California job with C N S Mechanical 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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