Service & Support

Master Lock offers the best in customer service and provides extensive product support. No matter your issue, we're here to help you solve it.

Business Support

Reset & Retrieve Lost Combinations

Set-your-own combination instructions, combination reset, lost combination help

Lost Keys & Key Replacements

Replace keys, replace locks, key duplication

Product Maintenance & Replacements

Lock maintenance, warranty information, part replacements

School Locker Locks

Combination charts, lock service, lock replacements

Bluetooth & Electronic Lock Support

Bluetooth locks & lock boxes, padlock service

Vault Support

Adding & removing users, app support, lock settings

Door Locks & Hardware

Replacement parts, commercial door lock service, residential hardware support

cLOTO Support

Do you need cLOTO support?

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