If an employee leaves with a business key, review every door that key opens and arrange to rekey the affected locks when you cannot account for access. Getting one key back does not confirm that no copies exist. For a Chicago storefront, office, or stockroom, the right next step depends on the key system, the condition of the hardware, and whether the employee also had electronic access.
Omega Locksmith helps business owners assess missing keys, rekey compatible locks, and plan better control over future copies. For help with a current concern, call (773) 277-5625.
Start with an access check, not just a key count
Identify what the departing employee could open: the front entrance, rear delivery door, stockroom, office, or a shared building entrance. Include spare keys issued to cleaners, contractors, and shift supervisors. A key that looks like an ordinary door key may operate several doors.
Record four things: which keys were issued, which were returned, which doors they operate, and who is authorized to approve changes. If you lease your premises or share entrances with other tenants, coordinate shared hardware changes with the property manager.
Review alarm codes, keypad codes, fobs, cards, and mobile credentials separately. Remove the departing employee’s individual credentials where the system supports it. If employees share one code, change it and distribute the replacement only to current authorized users.
When should you rekey after an employee leaves?
Rekeying deserves prompt attention when a key is missing, copies are unaccounted for, a key was shared among several people, or the business cannot establish who still has access. You do not need to assume wrongdoing to correct an access-control gap.
A returned key is useful for your records, but standard keys may have been duplicated while they were in circulation. With a documented restricted-key system, you can also review authorized key orders and the issue-and-return log. Base the decision on the complete record rather than the number of keys handed back.
If the doors and lock bodies remain serviceable, commercial lock rekeying may let you change which keys operate the locks without replacing the entire hardware assembly. The old employee key must be excluded from the new combination.
A missing master key changes the scope
If the employee held a master key, tell the locksmith before work is scheduled. Changing only the front-door cylinder may leave offices, storage areas, or other entrances accessible with that same missing key.
Have the locksmith review the affected key hierarchy and identify every cylinder the missing key operates. The plan should remove that key’s access while preserving the access that current staff and management still need. A master-key system can simplify access, but a lost master key can affect many doors. Learn more about commercial master-key systems.
Rekey the cylinder or replace the hardware?
Rekeying changes the key combination. It does not repair a loose cylinder, a damaged lock body, or a door that does not close and latch properly. Those problems need to be addressed along with the key change.
On an aluminum storefront door, a compatible replacement cylinder may be an option while the existing lock body stays in place. Cylinder length, cam configuration, door construction, and hardware condition must be checked before selecting parts. Our storefront lock-cylinder service page explains these applications.
Ask for a scope that identifies the affected doors, rekeying or replacement work, the number of new keys, and any hardware repairs. Cost depends on those details and the service timing; there is no single price that fits every employee-departure situation.
Use restricted keys to improve control over future copies
Rekeying resolves the current key combination, but issuing another unrestricted key can leave the same copying concern in place. For businesses that need tighter control, Omega offers CX5 restricted-key and high-security lock options.
The goal is to manage who may request additional keys and keep an accountable record of issuance. Confirm the authorization procedure, authorized contacts, and compatibility with your doors before choosing a system. Our guide to restricted keys versus standard business keys explains how duplication controls differ. Restricted keys improve control; they do not make a lost working key harmless. If that key still operates a door, the access concern remains.
Would keypads or fobs make employee turnover easier?
A system with individually assigned credentials can allow a manager to remove one employee’s access without collecting a physical key from everyone. Features differ: not every keypad offers remote management, access schedules, or usable event logs.
Mechanical override keys still need their own control procedure. Deleting a fob or changing a code does not disable a physical key that opens the same door. Compare the available options on our commercial access-control page.
What to have ready when you call
Provide the business address, number of affected doors, whether a master key is involved, and any known problems with the locks. Photos of the door and visible hardware can help identify the application. Keep key-cut details and security records out of public posts.
Have an authorized owner or manager available to approve the work. After the change, test the new keys, confirm the old affected key no longer works where available, and update the key log. Record who receives each new key and establish a written return procedure for future departures.
Common questions about employee keys
Do we need to change every lock?
Not necessarily. The scope depends on which doors the missing key operates and how the key system is organized. A missing master key can require a broader review than a key for one office.
Can we keep the existing storefront lock?
Often the existing hardware can remain if it is compatible and in good condition. Inspection determines whether rekeying, cylinder replacement, or additional repairs are appropriate.
Is collecting the key enough?
It closes part of the record, but it does not prove that an unrestricted key was never copied. Review your key-control history and the access risk before deciding.
Need help securing your Chicago business?
Omega Locksmith provides commercial locksmith service in Chicago for storefronts, offices, and managed properties. Call to discuss the affected doors and whether rekeying, restricted keys, or an access-control change fits your needs.
4346 W 51st St, Chicago, IL 60632
24/7 service • Illinois locksmith license #191-000821
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