Public CSLB records

SINNOTT PAT CONSTRUCTION

License #637437·Sole Owner·MILL VALLEY, Marin County
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Summary

SINNOTT PAT CONSTRUCTION operating as a sole owner is licensed in California under CSLB number 637437. The license was first issued in 1992, putting the business at 34 years on the active CSLB roster. It carries 2 CSLB classifications: A General Engineering Contractor and B General Building Contractor. Records show an active surety bond on file with ATLANTIC SPECIALTY INSURANCE COMPANY and an exempt workers' compensation status (no employees on payroll). The business is based in MILL VALLEY, in Marin County, California.

Business Information
Address
766 LOVELL AVENUE
MILL VALLEY, CA 94941
License Details & Classifications
License Number
637437
Issued
Feb 8, 1992
Status
CLEAR
Expires
Feb 29, 2028
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
ATLANTIC SPECIALTY INSURANCE COMPANY
Bond Number
800230136
Effective
Feb 6, 2026
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Jan 29, 2026
Expires
License StatusActive
Contractor BondOn file
Workers' CompensationActive
Activity Timeline
  1. License issuedFeb 8, 1992
  2. WC coverage startsJan 29, 2026
  3. Bond activeFeb 6, 2026
  4. License expiresFeb 29, 2028