Public CSLB records

Mc Donald O C CO INC, A General Engineering Contractor in San Jose, CA

License #177271·Corporation·San Jose, Santa Clara County
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Summary

Mc Donald O C CO INC operating as a corporation holds California contractor license #177271, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 1958, the license has been on the CSLB roster for 68 years. It carries 7 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-20 HVAC Contractor, C-36 Plumbing Contractor, C-42 Sanitation System Contractor, and C-43 Sheet Metal Contractor. Records show an active surety bond on file with Liberty Mutual Insurance Company and active workers' compensation coverage from Travelers Property Casualty Company of America. The business is based in San Jose, in Santa Clara County, California.

Business Information
Address
1150 West San Carlos Street
San Jose, CA 95126
License Details & Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Liberty Mutual Insurance Company
Bond Number
24001300
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Travelers Property Casualty Company of America
Policy Number
UB9049X2172526G
Effective
Oct 1, 2025
Expires
Oct 1, 2026
Alert

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

  • License expired
License StatusInactive / Expired
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 Mc Donald O C CO INC licensed in California?

Mc Donald O C CO INC previously held California Contractors State License Board license number 177271, but the license expired on July 31, 2026 and is not currently valid. It was first issued on August 4, 1958.

What does Mc Donald O C CO INC specialize in?

Mc Donald O C CO INC is licensed for 7 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-20 HVAC Contractor, C-36 Plumbing Contractor, C-42 Sanitation System Contractor, and C-43 Sheet Metal Contractor.

Where is Mc Donald O C CO INC headquartered?

Mc Donald O C CO INC is headquartered at 1150 West San Carlos Street, San Jose, CA 95126, in Santa Clara County, California.

Does Mc Donald O C CO INC have an active surety bond on file with CSLB?

Yes. Mc Donald O C CO INC has an active California contractor surety bond filed with Liberty Mutual Insurance Company.

Does Mc Donald O C CO INC carry workers' compensation coverage?

Yes. Mc Donald O C CO INC carries active workers' compensation coverage through Travelers Property Casualty Company of America.

How do I verify Mc Donald O C CO INC's contractor license?

You can verify Mc Donald O C CO INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=177271.

Activity Timeline
  1. License issuedAug 4, 1958
  2. Bond activeJan 1, 2023
  3. WC coverage startsOct 1, 2025
  4. License expiredJul 31, 2026
  5. WC expiresOct 1, 2026
Other contractors in Santa Clara County
California lien & payment resources

Working a California job with Mc Donald O C CO 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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