Commercial,
institutional, and
industrial Locksmith in
Southeastern
Massachusetts
As a trusted commercial locksmith in Southeastern Massachusetts, John DeCosta, Jr., Inc. Lock & Security delivers comprehensive protection tailored to your specific operational needs.
Count on us to combine decades of mechanical expertise with cutting-edge electronic innovation.
Since 1961, John DeCosta, Jr., Inc. LOCK & SECURITY has provided skilled locksmith services to commercial, institutional, and industrial customers.
Member of:
- Associated Locksmiths of America
- Metro South Chamber of Commerce
- Massachusetts Systems Contractors Association
- Safe and Vault Technicians Association
- American Association of Automatic Door Manufacturers
- Massachusetts Locksmith Association
System Contractor License Number: 89CSecurity Systems S License Number: SS-002856Registered Electrical Business License Number: 673C1Constructions Supervisor: CS-084170
AAADM Certified Automatic Door Inspector: 090080