The Turnover Problem: Keys Don't Resign
Here's the uncomfortable math of physical keys: the moment a key leaves your hand, you no longer control it. An ordinary brass key can be copied at any hardware store or grocery-store kiosk in a few minutes for a few dollars, no questions asked. So when someone leaves the company — on good terms or bad — collecting "the key" back tells you almost nothing. You can't collect the copies you don't know exist.
This isn't about assuming the worst of people. Most former employees never think about that spare key in a junk drawer again. But your business's security shouldn't rest on the continued goodwill and organized drawers of everyone who has ever worked for you. That's what it means to have key control: knowing exactly which keys open your doors and who holds them. The day a keyholder leaves, you've lost it — and a rekey is how you get it back.
The same logic applies to shared codes on a keypad, by the way. If the back-door code has been "1234 since forever" and half of your former staff knows it, changing it costs you thirty seconds. Changing the code, like changing the pins, beats trusting goodwill — it's not personal, it's just how offboarding should work.
Make it a checklist item: when someone with keys leaves, revoke building access the same way you revoke email access — same day, no exceptions, nothing personal. Rekey the doors their key opened, rotate any door codes they knew, and note the date. Businesses that treat this as routine offboarding never have to make it an awkward judgment call about a specific person.
Rekeying: The Standard Fix, Explained
Rekeying often gets confused with replacing locks, and the difference matters for your budget. When a locksmith rekeys a door, the lock hardware stays exactly where it is. The technician removes the cylinder, swaps the small pins inside to a new combination, and cuts new keys to match. Every previous key stops working immediately — including all the copies you never knew about — and your door looks and works exactly as it did an hour before.
Because you're paying for skilled labor rather than new hardware, rekeying is significantly cheaper than replacement: $149 for the first door and +$49 for each additional door in the same visit. A locksmith should only push new hardware when the existing lock is genuinely worn out or damaged — if yours works fine and the only problem is who might have a key, a rekey is the honest answer. (For the full decision logic, see our rekey vs. replace guide.)
The honest one-liner: a rekey costs about what a nice office lunch does, and it converts "I think we're fine" into "no key outside this room opens that door." For a business, that trade is rarely close.
Master Key Systems, Explained Simply
If your business has more than a few doors and more than a few people, you've probably met the janitor-ring problem: a keyring the size of a fist, twenty near-identical keys, and one person squinting at the stamping trying to find the one that opens the supply closet. A master key system exists to kill that problem.
The idea is a hierarchy of keys, and it's simpler than it sounds:
- Change keys (the bottom level) — the everyday keys. Each one opens only its assigned door or doors. Your bookkeeper's key opens the office and the records room, and nothing else.
- Master key — opens every door in a group. The store manager's key opens everything in that location: front door, office, stockroom.
- Grand master key (when needed) — for owners or property managers with multiple buildings or suites, one key that opens everything across all of them, while each site's manager still carries a master for their site only.
Each lock in the system is pinned to answer to two keys: its own change key and the master above it. That's the whole trick — and it's done by re-pinning the cylinders you already own, not by replacing your doors' hardware. You decide who gets what: everyone carries one key, and every key opens exactly what that person's job requires. When someone leaves, you rekey only the doors their key opened, and the rest of the system doesn't notice.
🔑 With one shared keyring…
- Everyone who needs access needs the ring — or a copy of everything
- One departure puts every door in question
- No way to give partial access ("front door yes, office no")
- Copies multiply quietly over the years
- Nobody can say for sure who can open what
🗝️ With a master key system…
- You carry one key that opens everything
- Each employee's key opens only their doors
- Access matches the job, by design
- A departure means rekeying a few doors, not all of them
- The key chart tells you exactly who opens what
Restricted Keyways: Keys That Can't Be Copied at a Kiosk
A master key system organizes who can open what. A restricted keyway handles the other half of key control: who can make copies.
Standard keys are cut on standard blanks, and standard blanks are everywhere — which is exactly why "do not duplicate" stamped on a key is a polite suggestion, not a security feature. A restricted keyway uses a key profile whose blanks aren't openly sold. A hardware-store kiosk physically can't copy the key, because it has no blank that fits. Duplicates can only be made through an authorized source, and only for people on your signed authorization list.
For a business, that changes the math of turnover completely: if copies can only be made with your sign-off, then the key you collect at offboarding really is the only key. Restricted keyways pair naturally with master key systems — the combination gives you a building where access is organized and the key count is actually knowable.
Beyond Keys: Panic Bars, Keypads & Doors That Work
Locks and keys are the core of small-business security, but three adjacent things come up in almost every commercial conversation we have:
Panic bars (exit devices). The horizontal push bar on an exit door isn't a convenience — on many commercial doors it's a code requirement, because people leaving in an emergency push, they don't turn. A properly installed panic bar lets everyone out with one push while the door stays locked from outside. We install ADA and fire code compliant exit hardware from $399 per door. If your exit door is chained, wedged, or "locked because the bar broke years ago," fix that before anything else on this page — it's a life-safety issue first and a security issue second.
Keypads and small access control. A keypad or app-controlled lock on the right door — back entrance, office, stockroom — gives you the nicest property of codes: when someone leaves, you delete their code instead of calling anyone. Small keypad and app-based systems start from $399. The same trade-offs we cover for homes in our smart locks vs. deadbolts guide apply doubly for a business door that cycles hundreds of times a day.
High-traffic door maintenance. A commercial front door opens and closes more times in a month than a house door does in a year, and Arizona sun and dust accelerate the wear. A latch that needs a "lift and jiggle," a key that only works at an angle, a door that drags — these are cheap to fix early (lock repair from $89) and expensive to ignore, because a lock that fails at 8 AM on a business day becomes a lockout with a line of customers watching.
Honest scope: large multi-site access-control networks — dozens of doors, badge systems, central servers, integrations — are integrator territory, and a good locksmith should say so instead of overselling. We handle the lock-and-key layer and small standalone systems: doors, cylinders, master keying, panic hardware, keypads. If your project is bigger than that, we'll tell you on the phone, for free, before anyone drives anywhere.
When to Rekey a Business: The Five Triggers
You don't need to rekey on a schedule. You need to rekey when key control breaks. In practice that's five situations:
- An employee with keys leaves. The classic. Same-day rekey of the doors their key opened, as part of offboarding — regardless of how the departure went.
- A key is lost or never returned. A key with no known location is a key in unknown hands. If it was labeled with your business name or suite number, treat it as urgent.
- After a break-in or attempted break-in. Even a failed attempt can damage a cylinder in ways that aren't visible, and a successful one raises the question of what was copied while someone had access. Rekey, and have the hardware checked at the same time.
- Moving into a new unit or suite. The previous tenant, their staff, their cleaners, and their contractors all potentially hold keys to your new space. Rekeying on day one is standard practice, not paranoia — the same advice we give homebuyers, and it matters more for a business.
- After contractor or vendor work. If keys circulated during a build-out, a remodel, or a period when a vendor had after-hours access, close the loop when the project ends.
What It Costs in Arizona (Flat, Quoted Before Dispatch)
These are our flat commercial rates across Chandler, Mesa, Gilbert, Tempe, Scottsdale, Peoria and the Phoenix metro. The number you approve on the phone is the number on the invoice — it can't change at the door.
| Service | Price | Notes |
|---|---|---|
| Commercial lockout | $199 $269 after 8PM |
Office, storefront, back room — non-destructive entry |
| Rekey — first door | $149 $199 after 8PM |
Keep the hardware, change what key opens it |
| Rekey — each additional door | +$49 | Same visit |
| Master key system | from $299 $99 per cylinder |
Designed for your building; free quote by phone |
| Panic bar installation | from $399 per door |
ADA & fire code compliant exit hardware |
| Access control (keypad/app) | from $399 | Small standalone systems; larger networks referred honestly |
| Lock repair | from $89 | Price quoted before work begins |
| Deadbolt replacement | from $229 all-in · from $149 labor only |
When hardware is actually worn out |
Anything not on this list — multi-unit turnover schedules, restricted-keyway systems, mixed hardware buildings — is quoted flat on the phone before dispatch, and quotes for commercial systems are free. Property managers and HOAs: COI and W-9 are available on request, and the full commercial service line lives on our commercial locksmith page.
Frequently Asked Questions
How fast can you rekey after an employee quits?
Same-day in most of the Phoenix metro — Chandler, Mesa, Gilbert, Tempe, Scottsdale, Peoria and nearby cities. Rekeying is mobile work: the technician re-pins your existing cylinders on-site, so a typical single-suite office with a handful of doors is done in one visit. It's $149 for the first door and +$49 for each additional, quoted flat on the phone before dispatch.
Do all my doors need new hardware for a master key system?
Usually not. A master key system is built by re-pinning the cylinders you already have so they answer to both their own change key and the master. Most standard commercial locks and deadbolts can be master-keyed as-is; hardware only gets replaced when it's worn out or genuinely incompatible — and you should hear that before work starts, not after. Systems start at $299 plus $99 per cylinder.
What is a restricted keyway?
A key profile whose blanks aren't sold openly — so a hardware-store kiosk physically can't duplicate the key, because there's no blank to cut it on. Copies can only be made through an authorized source, with sign-off from your authorization list. It fixes the core weakness of ordinary keys: anyone holding one can copy it in minutes.
Can you set up my office so one key opens everything?
Yes, two ways. Keyed-alike means every lock accepts the same key — fine for a small office where everyone shares full access. A master key system goes further: each employee's key opens only their assigned doors, while your master opens everything. If different people need different access, the master system is the right tool.
Do you work with HOAs and property managers with many units?
Yes — unit turnovers, common-area doors, pool gates, mail rooms, and clubhouse master systems are standard work for us across the Phoenix metro. Multi-unit and recurring work is quoted flat on the phone before dispatch, the quote is free, and COI and W-9 are available on request.
How much does it cost to rekey a business in Arizona?
Rekeying is $149 for the first door and +$49 per additional door during the day ($199 first door after 8PM). A commercial lockout is a flat $199 daytime, $269 after 8PM. Master key systems start at $299 plus $99 per cylinder. Everything is quoted flat before a technician is dispatched, and the number can't change at the door.