Rekey Your Business Locks in Pomona and Retire the Old Keys

How this works in Pomona

Think of three tools. Re-pinning keeps the cylinder and changes its pins; it suits sound cylinders on a standard keyway. Recoring applies to interchangeable-core locks, where we swap the whole core for one pinned to the new key, often the fastest option for a many-door system. Replacement fits when the cylinder is worn, damaged or built so cheaply that it won't hold up, when its keyway has been discontinued or when you want to move to a restricted keyway whose keys can't be copied freely. A keyway change can't be done by re-pinning, because the shape of the slot is fixed. The same goes for a lock body that is residential grade on a heavy-use door, cracked or out of code, such as a double-cylinder deadbolt on an exit. We examine each lock, show you the wear we find and give you pricing for both paths side by side. Many businesses end up with a mix, rekeying the sound locks and replacing the two or three that argue for it.

How we can help in Pomona

• Recoring interchangeable-core locks. The control key is the key to the whole system, so we handle it carefully. If yours is lost or in the wrong hands, recoring alone won't help, because anyone holding a control key can pull cores. We explain how to move the control key itself to a new level and how to keep it locked up.
• Doors that also have electronic parts. Keypad locks, card readers and electric strikes usually keep a mechanical override cylinder. A rekey covers that cylinder only; the electronics are separate. We can change keypad codes at the same visit when the lock allows it, and we tell you plainly when a credential list lives in the system's own software.
• Rekeying under a landlord's building standard. Where a lease lets you add your own lock or change cylinders, we document the original cylinders and keep them, so the suite can be restored at move-out. Some buildings require written approval before any change, and fire access may call for specific keys. Ask your manager and send us what they say.
• Forgotten openings that stay on the old key. Desks, file cabinets, display cases and mailboxes use small cam and wafer locks. They aren't in the same league as a door cylinder, but a cash drawer or a records cabinet may matter a great deal. We rekey or replace them as needed and note which are worth bringing onto your system.
• Alike, different and master: planning which doors share a key. Sharing a key saves pocket space but spreads risk. If a delivery driver needs the loading dock, a separate dock key limits what a lost key exposes. We recommend a key per access level, not per person, and we name the levels so the chart is easy to read.

How Pomona shapes the job

Older commercial buildings in Pomona often have mortise locks, transom windows and suite doors that predate the current tenants. Mortise cylinders are straightforward to re-pin, and the lock cases can often stay. Check with the landlord about the building standard and any shared stairwell or elevator-lobby doors, since a rekey of your suite should not disturb your neighbors' access. Ask whether the building keeps a lock schedule on file.

Summer heat across inland Southern California dries out cylinders and expands metal. Exposed rear-door cylinders and gate padlocks take the worst of it and can seize or bind right after a rekey if they were already marginal. We clean and lubricate each cylinder with a dry lubricant, test it warm when we can and replace cylinders on exposed doors that show wear.

Hotels, event venues and attractions in Pomona have staff, vendors and seasonal workers coming and going, which makes tight key levels and a good log more important than the rekey itself. We separate guest-facing, back-of-house and management doors, and recommend restricted keys for storage, linen and office areas. Large hotel systems with card locks involve a different vendor. Seasonal hires make the log matter most.

Example situations

• Consider a tire shop near Foothill Boulevard whose office door was pried open over a holiday weekend. The thief didn't get far, but the shop's spare keys were in the desk. We replace the damaged cylinder, rekey the other doors, add a reinforced strike on the office door and give the owner a short list of what else to check.
• A typical call: an auto repair shop near Mission Boulevard has three bay doors, an office and a parts room, each on a different key left behind by three owners. The current owner wants fewer keys on every ring. We identify the keyways, re-pin the compatible cylinders to one shop key, swap two worn ones and give the office its own key.
• For example, a small dental office near Pomona Valley Hospital Medical Center lets a hygienist go. She returns her key, but the practice wants more than that. We rekey the front, supply room and records closet, and remind the office manager that the alarm code, the supply cabinet combination and the keypad PIN are separate changes a rekey doesn't cover.
• A boutique gym has a rear door whose key sticks and whose cylinder spins part way before catching. The owner asks for a rekey. We explain that the cylinder is worn out and recommend replacement, pinned to the same new key as the front door. The owner agrees, and both doors end up on one key that turns smoothly.

How the visit works

1. List every opening. Walk the space with a notepad or your phone camera. Note each door's location, whether it has a deadbolt, a lever or an exit device, and what kind of key it takes. Send us the photos. Even a rough list lets us bring the right pinning kits and spare cylinders.
2. Identify the cylinders on site. While we're there, we test door operation: closer sweep, latch retraction, strike alignment and whether the door locks as intended. A rekey exposes problems that habit had hidden. We report what we find and leave the repair decision to you.
3. Decide rekey, recore or replace, door by door. If a lock is a poor candidate for rekeying, we show you why: a loose plug, a missing part, a keyway with no available blanks. Sometimes replacing a cylinder costs about the same as rebuilding it, and we say so honestly, so you aren't paying for labor that isn't worth it.
4. Choose the key system and quantities. Next we decide how many keys, of what kind, for which doors. Standard keys are quickest; restricted keys add control. We sketch which doors share a key and who gets which, and we confirm how many copies you want cut now. Extra copies cost less at this visit than later.
5. Re-pin, cut and test. Cutting happens on site too. Keys are cut by code or from the first rebuilt cylinder, then tried in every lock they should open and in the ones they shouldn't. If a key binds, we recut it. A key that feels rough on day one will feel worse on day ninety.
6. Prove the old keys are dead and close out. At each rekeyed door we try an old key to show it no longer turns the plug. We then hand over the new keys, a short key chart and notes on which doors were touched. The work order records who approved the job and when.

How we quote the job

• Cylinders, not doors. Each cylinder involves removal, rebuilding, reinstalling and testing, so a long list takes proportionally longer. The price per cylinder usually eases a little when we can do many at one visit, because setup and travel are shared. Splitting a list into many trips works the other way.
• Cylinder family and pin count. Common commercial families, such as standard mortise and rim cylinders, come with readily available pins and blanks, which keeps the job straightforward. Less common keyways or proprietary lines take longer to source and sometimes need factory-held parts. We tell you early if your cylinders fall into that group.
• Scheduling, access and travel. Our hours run every day from 6:30 a.m. to 11:30 p.m. Work scheduled before opening or after closing, or on short notice, can be priced differently than a planned daytime visit. Travel from our San Bernardino base also counts, and a few days' notice lets us plan the visit so the whole job can be finished in one trip.

Every job gets a clear quote before any work starts. Call (951) 903-3193 with the details and we'll tell you what to expect for your situation in Pomona.

What to do before we arrive

• Issue keys by door access, not by person. A manager's key and a staff key shouldn't be the same just because it's convenient. Two or three levels fit most small businesses, and labeling them with codes keeps a lost key from advertising what it opens.
• Lubricate cylinders with a dry graphite or PTFE-based lubricant, never an oil spray. Oil attracts dust and grit, which clogs pins within a few months, especially around dusty Pomona yards and loading areas. A light puff of dry lube twice a year keeps a rekeyed lock moving.
• Treat an interchangeable-core control key like a master. Keep it locked up, give it to one or two people and write down who holds it. Anyone with a control key can pull cores, so losing one is a bigger event than losing a door key.
• Make a door list before you call, and count every keyed point, not just doors: padlocks, roll-up doors, cabinets, roof hatches and the alarm-panel key switch. A complete list is the difference between a firm quote and a rough guess, and it keeps a forgotten opening from staying on the old key.

What not to do

• Buying whatever cylinders are cheapest each time one fails. Over a few years a business ends up with five brands, four keyways and a ring of keys no one can sort. Standardize your next replacements to the current system. Keep a short list of approved models for your openings so a maintenance person can reorder the right part.
• Ignoring the lease and the landlord's master. Rekeying a suite door without telling the manager can breach the lease and block emergency access. A short email first avoids that. If the landlord controls the cylinder, ask them to change it.
• Assuming a rekey stops copies of the new key. It retires the old keys, but a standard key can be duplicated at nearly any store. Choose restricted keys for doors with many holders and log who has each one, or the problem returns within a year.

Getting to Pomona

Pomona is about 32 miles from our San Bernardino base, roughly 38 minutes in light traffic via University Parkway to SR-210 West. When you call, you get an arrival estimate based on where the technician is and the traffic at that moment.

Rush hour on I-10 can stretch a drive considerably. We'd rather give you a realistic arrival window than an optimistic one, and we'll call you if a closure or a crash changes the plan.

About Pomona: LA Metro's A Line began serving the Pomona North station on Santa Fe Street, just west of Garey Avenue, on September 19, 2025, sharing the stop with Metrolink's San Bernardino Line.

Business lock or door work in Pomona?

Call (951) 903-3193 with the address, the doors or hardware involved and when the site is open. We'll quote the job before any work starts and book a time within our hours that suits your schedule.