Public CSLB records

N T K Construction INC, A General Engineering Contractor in San Francisco, CA

License #851273·Corporation·San Francisco, San Francisco County
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Summary

N T K Construction INC operating as a corporation holds an active California contractor license (CSLB #851273), valid through Dec 31, 2026. First issued in 2004, the license has been on the CSLB roster for 22 years. It carries 4 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-31 Construction Zone Traffic Control Contractor, and C-36 Plumbing Contractor. Records show an active surety bond on file with Liberty Mutual Insurance Company and a previously-filed workers' compensation policy with Travelers Property Casualty Company of America that is no longer active. The business is based in San Francisco, in San Francisco County, California.

Business Information
Address
501 Cesar Chavez St,ste 115
San Francisco, CA 94124
License Details & Classifications
License Number
851273
Issued
Dec 14, 2004
Status
CLEAR
Expires
Dec 31, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Liberty Mutual Insurance Company
Bond Number
070210559
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Travelers Property Casualty Company of America
Policy Number
UBB40311732526G
Effective
Jun 1, 2025
Expires
Jun 1, 2026
Alert

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

  • No active workers' comp on file
License StatusActive
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 N T K Construction INC licensed in California?

Yes. N T K Construction INC holds California Contractors State License Board license number 851273, which is active and in good standing. The license was first issued on December 14, 2004. It is valid through December 31, 2026.

What does N T K Construction INC specialize in?

N T K Construction INC is licensed for 4 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-31 Construction Zone Traffic Control Contractor, and C-36 Plumbing Contractor.

Where is N T K Construction INC headquartered?

N T K Construction INC is headquartered at 501 Cesar Chavez St,ste 115, San Francisco, CA 94124, in San Francisco County, California.

Does N T K Construction INC have an active surety bond on file with CSLB?

Yes. N T K Construction INC has an active California contractor surety bond filed with Liberty Mutual Insurance Company.

Does N T K Construction INC carry workers' compensation coverage?

N T K Construction INC has a previously-filed workers' compensation policy with Travelers Property Casualty Company of America that is no longer active.

How do I verify N T K Construction INC's contractor license?

You can verify N T K Construction INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=851273.

Activity Timeline
  1. License issuedDec 14, 2004
  2. Bond activeJan 1, 2023
  3. WC coverage startsJun 1, 2025
  4. WC expiredJun 1, 2026
  5. License expiresDec 31, 2026
Other contractors in San Francisco County
California lien & payment resources

Working a California job with N T K Construction 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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