What Keyed Alike Systems Actually Mean
Keyed alike is a specific configuration, not a lock brand or product line. It means two or more locks share the same key cut, so one key operates all of them. This is different from a master key system, where a single master key opens multiple locks that each have their own unique key as well. With a keyed alike setup, there is no hierarchy. Every authorized user carrying that one key can open every door in the system.
This configuration is popular with homeowners who want the front door, back door, garage entry, and gate to all respond to the same key. It also works well for small businesses, rental units, and commercial properties where a handful of people need the same level of access across every entry point. Most pin tumbler locks can be configured this way, though not every lock model is compatible, so it is worth having a locksmith assess your existing hardware first.
How a Keyed Alike System Gets Set Up
There are two main routes to a keyed alike system:
- Rekeying existing locks: A locksmith replaces the internal pins inside each lock cylinder so all locks respond to one key cut. This is faster and more affordable than replacing hardware.
- Installing new locks keyed alike: When starting fresh, new locks can be keyed to match during installation, either pre-keyed from the factory or configured on-site.
One customer managing a small rental property asked us to install new locks on three units and key them all to a shared landlord key while each unit also had its own tenant key. We accomplished that through a combination of keyed alike and rekeying techniques, leaving every door consistent and the landlord carrying just one key for property access.
Keyed Alike Systems for Homes and Residential Properties
Homeowners in Los Angeles often come to us after a move, a remodel, or after realizing their locks were installed at different times and now require several separate keys. A residential locksmith visit to assess and rekey the locks is usually all it takes to consolidate everything. We evaluate whether the existing cylinders are compatible, rekey those that are, and flag any that may need replacing due to wear or incompatible keyways.
For landlords, pairing a keyed alike setup with periodic rekeying after a tenancy ends is one of the most practical security habits you can build into a property. It keeps key control straightforward and ensures that keys from previous occupants do not carry forward. If you are also thinking about keyless entry options, our team can discuss smart lock installation as a complement for specific doors.
Keyed Alike Systems for Small Businesses and Commercial Properties
In a commercial setting, keyed alike systems work well for properties where staff members need the same access across multiple entry points. A small office, a retail suite, or a warehouse with a front entrance, a side entrance, and a storage room are all good candidates. Rather than issuing multiple keys per employee, every authorized team member carries one key that works everywhere they are permitted to go.
This simplicity also makes lock changing or rekeying after a staff departure much more manageable. One customer who operated a small studio space with three entry points had us rekey all three locks in a single visit after a change in staff. They were back to clean key control within the hour, without replacing any hardware.
When Keyed Alike Systems Work Best and When to Consider Alternatives
A keyed alike system is the right call when everyone who needs access should have access to every door. It is less suited to properties where different people need different levels of access. Consider these situations before deciding:
- A growing business where some staff need back-office access but not a server room calls for a master key system.
- A multi-unit building where tenants need individual privacy is not a good fit for keyed alike.
- Properties with high staff turnover benefit most when paired with restricted key systems that prevent unauthorized duplication.
- Smaller properties with a consistent, trusted group of users get the most value from a keyed alike setup.
Our team can walk you through the distinction during an on-site assessment and recommend the configuration that matches how your property actually functions.
West Coast Locksmith Sets Up Keyed Alike Systems Across Los Angeles
West Coast Locksmith is a locally owned, 24/7 mobile locksmith serving Los Angeles and the surrounding communities, including Beverly Hills, Culver City, Burbank, Glendale, Santa Monica, Sherman Oaks, Van Nuys, Pasadena, Torrance, and many others. We are an ALOA member, verified by the Fair Trade Locksmith Directory and 1-800-Unlocks, and licensed and insured. Whether you need a few residential locks rekeyed to match or a full commercial keyed alike system set up from scratch, we assess your hardware, explain your options, and provide a detailed quote before any work begins. Contact us today for help, or book online at your convenience.