John DeCosta Jr., Inc. LOCK & SECURITY, Logo
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Skilled & Experienced Full Service Mobile Locksmith

Since 1961, John DeCosta, Jr., Inc. LOCK & SECURITY has provided skilled locksmith services to commercial, institutional, industrial, and residential customers.

Manual Locks

Automatic Locks

Members Of

  • Associated Locksmiths of America
  • Metro South Chamber of Commerce
  • Massachusetts System Contractors Association
  • Safe & Vault Technicians Association
  • American Association of Automatic Door Manufacturers
  • Massachusetts Locksmith Association

System Contractor License Number: 89C
Security Systems S License Number: SS-002856
Registered Electrical Business License Number: 673A1


Thank you for your interest.
For questions or comments, please use the information listed.

Office: (508) 586-1658
Toll Free: (800) 649-1368
Fax: (508) 584-6908

Hours of Operation
Monday – Friday, 7:00 a.m. – 4:00 p.m.

Office Address
447 N. Main St., West Bridgewater, MA 02379
(Mobile Services Only)

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