Public CSLB records

Whitmore Daniel C Builders INC, B General Building Contractor in Mammoth Lakes, CA

License #494117·Corporation·Mammoth Lakes, Mono County
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Summary

Whitmore Daniel C Builders INC operating as a corporation holds an active California contractor license (CSLB #494117), valid through Aug 31, 2026. First issued in 1986, the license has been on the CSLB roster for 40 years. It carries 2 CSLB classifications: B General Building Contractor and C-29 Masonry Contractor. Records show an active surety bond on file with Ohio Casualty Insurance Company (the) and active workers' compensation coverage from Omaha National Casualty Company. The business is based in Mammoth Lakes, in Mono County, California.

Business Information
Address
P O Box 221
Mammoth Lakes, CA 93546
License Details & Classifications
License Number
494117
Issued
Jun 25, 1986
Status
CLEAR
Expires
Aug 31, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Ohio Casualty Insurance Company (the)
Bond Number
358052C
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Omaha National Casualty Company
Policy Number
ONCC0905307
Effective
Jul 21, 2025
Expires
Jul 21, 2026
Review

This contractor warrants a closer look before contracting:

  • License expires in 66 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 Whitmore Daniel C Builders INC licensed in California?

Yes. Whitmore Daniel C Builders INC holds California Contractors State License Board license number 494117, which is active and in good standing. The license was first issued on June 25, 1986. It is valid through August 31, 2026.

What does Whitmore Daniel C Builders INC specialize in?

Whitmore Daniel C Builders INC is licensed for 2 CSLB classifications: B General Building Contractor and C-29 Masonry Contractor.

Where is Whitmore Daniel C Builders INC headquartered?

Whitmore Daniel C Builders INC is headquartered at P O Box 221, Mammoth Lakes, CA 93546, in Mono County, California.

Does Whitmore Daniel C Builders INC have an active surety bond on file with CSLB?

Yes. Whitmore Daniel C Builders INC has an active California contractor surety bond filed with Ohio Casualty Insurance Company (the).

Does Whitmore Daniel C Builders INC carry workers' compensation coverage?

Yes. Whitmore Daniel C Builders INC carries active workers' compensation coverage through Omaha National Casualty Company.

How do I verify Whitmore Daniel C Builders INC's contractor license?

You can verify Whitmore Daniel C Builders INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=494117.

Activity Timeline
  1. License issuedJun 25, 1986
  2. Bond activeJan 1, 2023
  3. WC coverage startsJul 21, 2025
  4. WC expiresJul 21, 2026
  5. License expiresAug 31, 2026
Other contractors in Mono County
California lien & payment resources

Working a California job with Whitmore Daniel C Builders 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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