Public CSLB records

Hathaway Dinwiddie Construction Group, B General Building Contractor in San Francisco, CA

License #735648·Corporation·San Francisco, San Francisco County
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Summary

Hathaway Dinwiddie Construction Group operating as a corporation holds an active California contractor license (CSLB #735648), valid through May 31, 2027. First issued in 1997, the license has been on the CSLB roster for 29 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Travelers Casualty and Surety Company of America and active workers' compensation coverage from American Guarantee and Liability Insurance Company. The business is based in San Francisco, in San Francisco County, California.

Business Information
Address
275 Battery Street Suite 300
San Francisco, CA 941113330
License Details & Classifications
License Number
735648
Issued
May 2, 1997
Status
CLEAR
Expires
May 31, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Travelers Casualty and Surety Company of America
Bond Number
400SX5279
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
American Guarantee and Liability Insurance Company
Policy Number
WC956286400
Effective
Oct 1, 2025
Expires
Oct 1, 2026
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

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 Hathaway Dinwiddie Construction Group licensed in California?

Yes. Hathaway Dinwiddie Construction Group holds California Contractors State License Board license number 735648, which is active and in good standing. The license was first issued on May 2, 1997. It is valid through May 31, 2027.

What does Hathaway Dinwiddie Construction Group specialize in?

Hathaway Dinwiddie Construction Group is licensed for one CSLB classification: B General Building Contractor.

Where is Hathaway Dinwiddie Construction Group headquartered?

Hathaway Dinwiddie Construction Group is headquartered at 275 Battery Street Suite 300, San Francisco, CA 941113330, in San Francisco County, California.

Does Hathaway Dinwiddie Construction Group have an active surety bond on file with CSLB?

Yes. Hathaway Dinwiddie Construction Group has an active California contractor surety bond filed with Travelers Casualty and Surety Company of America.

Does Hathaway Dinwiddie Construction Group carry workers' compensation coverage?

Yes. Hathaway Dinwiddie Construction Group carries active workers' compensation coverage through American Guarantee and Liability Insurance Company.

How do I verify Hathaway Dinwiddie Construction Group's contractor license?

You can verify Hathaway Dinwiddie Construction Group's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=735648.

Activity Timeline
  1. License issuedMay 2, 1997
  2. Bond activeJan 1, 2023
  3. WC coverage startsOct 1, 2025
  4. WC expiresOct 1, 2026
  5. License expiresMay 31, 2027
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California lien & payment resources

Working a California job with Hathaway Dinwiddie Construction Group, 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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