Chang Kien Sang

California licence 361880 · Sole Owner

1559b Sloat Blvd, 452, San Francisco, CA 94132

(415) 637 2636

CLEAR

39 days to renewal

Classifications

Bond and insurance

Contractor bond
$25,000
Western Surety Company · #67588089
Workers' compensation
Exempt

Licence timeline

Issued
August 25, 1978
Expires
October 31, 2026
Registry updated
October 2, 2025

San Francisco County · estimating tools for California steel work