CA #1149890 Active

Interlock Plumbing

Antioch, CA

Business Information

Address: 4045 Rockford Dr, Antioch, CA 94509
Phone: (510) 932 0391
Type: Corporation

License Status

Status: Active
Issued: Feb 3, 2026
Expires: Feb 29, 2028
Classifications: C-4 Boiler, Hot Water Heating and Steam Fitting C36 Plumbing

Workers Compensation

Insurer: National Specialty Insurance Company
Effective: Jan 11, 2026
Expires: Jan 11, 2027

Contractor's Bond

Bond #: 101031911
Amount: $25,000
Effective: Jan 23, 2026
Surety: American Contractors Indemnity Company

License History

Classification added

Jul 14, 2026

+ Boiler, Hot Water Heating and Steam Fitting (C-4)

License issued

Feb 3, 2026