O'Brien William & Sons

California licence 292934 · Sole Owner

1590 Granada Dr, Burlingame, CA 94010

(650) 692 2758

CLEAR

159 days to renewal

Classifications

Bond and insurance

Contractor bond
$25,000
Atlantic Specialty Insurance Company · #800233478
Workers' compensation
State Compensation Insurance Fund
Expires November 28, 2026

Licence timeline

Issued
April 11, 1974
Expires
February 28, 2027
Registry updated
February 25, 2026

San Mateo County · estimating tools for California steel work