SINNOTT PAT CONSTRUCTION
License #637437·Sole Owner·MILL VALLEY, Marin County
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
License Details & Classifications
- License Number
- 637437
- Issued
- Feb 8, 1992
- Status
- CLEAR
- Expires
- Feb 29, 2028
- Entity
- Sole Owner
Classifications
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
- License issuedFeb 8, 1992
- WC coverage startsJan 29, 2026
- Bond activeFeb 6, 2026
- License expiresFeb 29, 2028