Ontario, San Bernardino County
Rekey Locks after Moving in Ontario
Short answer: Yes. Rekey locks after moving as soon as you can, ideally before your first night or within the first week. Former occupants, past maintenance vendors, movers and anyone who borrowed a key may still hold copies. Rekeying changes the pin stack inside each cylinder so only your new keys turn. Julian's Locksmith does it on site in Ontario; call (951) 903-3193.

A lot of people who look up how to rekey locks after moving are renters, and renters have one step owners don't: the lease. Many California leases allow a rekey only with written permission and require that the landlord keep a working key. That approval is usually easy to get, especially when you offer to pay and drop off a copy. Rekeying leaves the landlord's hardware in place, which makes it the friendliest way to secure a rental whose locks you didn't choose. We serve renters and owners throughout Ontario, verify ID along with your lease or deed, and price the job before we pick up a tool.
How this works in Ontario
Keys are only part of a move-in security reset. Garage door openers remember every remote and car button ever paired with them, so clear the memory with the learn button on the motor unit and reprogram only your own. Change the exterior garage keypad code. Keypad deadbolts and smart locks may still hold the previous occupant's user codes, admin account or phone access; reset them and remove anyone you don't recognize. If there's an alarm panel, have the monitoring company transfer the account and change the master code. Video doorbells and cameras can stay linked to the last resident's account until they release them. Gated communities may need to deactivate the old resident's fob or gate code. And mailboxes, often overlooked, can carry a key that changed hands as freely as the door key. A locksmith covers the mechanical side and can help with keypads and smart locks while on site; the rest is a phone call or two on your part. Done together in the first week, the whole reset takes surprisingly little time.
Work included on a typical visit
- Move-in rekey for renters. A renter's rekey is a quiet change: same knobs, same deadbolts, new pin combinations. Plenty of Ontario landlords approve it readily when the tenant pays and hands back a key. Bring your lease and ID, and if the manager would rather have the work billed to the property, we can quote them directly.
- Security screen doors and sliders. Southern California homes lean on steel security screen doors and sliding patio doors, and both get ignored at move-in. Many screen doors carry their own keyed deadbolt, and former occupants still have those keys. We rekey or replace that cylinder, often matching it to your house key, and check the slider's latch.
- Garage, side gate and outbuilding locks. Garage service doors and gate latches get forgotten because they aren't on the main ring. Former occupants, gardeners and pool techs often held keys to exactly these. Bringing them into the same visit means every route onto your property answers to the one set of keys you control.
- Mailbox lock change. A mailbox key changes hands as easily as a door key. For a private wall-mount or post-mounted box, we swap the cam lock and give you new keys. For a cluster box owned by the Postal Service, the post office handles the lock; for HOA or apartment boxes, the property owner usually does.
- Spare keys and key tracking. Restricted keyways, such as some Schlage and Medeco lines, need authorization before a key can be copied, which stops casual duplication at kiosks. For roommates or anyone who wants tighter control in a new home, that can be worth it. We'll tell you honestly whether it suits your situation or would be overkill.
What's different about Ontario
Moving into a newer tract home? Builder-grade locks usually ship with construction keying meant to shut out the crew once the owner's key is used. It doesn't always take, and some newer homes become rentals within a few years, so keys can pass through several hands quickly. A rekey after the move leaves only your household's keys working, and we can help replace any keypad codes the builder or last occupant set.
Inland heat changes how locks behave after a move. Doors on sun-facing walls expand during summer afternoons, deadbolts begin to bind, and keypad batteries drain faster. When we rekey locks after moving in Ontario, we also look at strike alignment and weatherstripping, and we suggest checking electronic lock batteries more often between June and September. A door that drags at three in the afternoon usually needs a strike tweak, not a new lock.
Apartment move-ins come with a property manager who usually controls the locks. Ask whether your unit was rekeyed since the last tenant and get the date. Many complexes use master keys or interchangeable cores, so a rekey should go through management or come with their written approval. In Ontario, we work with tenants and managers alike, and we leave a key for the office whenever the lease requires one.
Situations this covers
- Say a family of five leaves an apartment for a rented three-bedroom house off SR-60. The front door, garage entry, back door and side gate each take a different key. With the owner's written okay, a locksmith could re-pin the three door locks to one key and replace the rusted gate padlock with a rekeyable one cut to match, leaving the family a single key and the owner a copy.
- Consider four students moving into a rental house near Graber Olive House who find a drawer of unlabeled keys left by last year's group. The landlord agrees to a rekey as long as the household pays and he receives a copy. Since nobody knows which old keys fit which doors, re-pinning every exterior lock and cutting five new keys is faster than testing the whole drawer.
- For example, someone moves back into a house they owned but rented out for six years. Several tenants, a property manager and a handyman held keys over that stretch. Even though it's their own house, the key history is longer than most newly purchased homes. Rekeying every door, the screen door and the mailbox before the first box comes in is the obvious opening move.
- Consider a move into an older bungalow near North Ontario with an original mortise lock on the front door and a newer Kwikset deadbolt above it. The vintage mortise cylinder can often be re-pinned too, though some use uncommon keyways that need special blanks. A locksmith would check both, rekey what's practical, and say honestly whether the antique deserves a new cylinder.
From your call to the finished job
- Tell us about the move. Call (951) 903-3193 with your move-in date, how many exterior doors you have, and whether you rent or own. Photos of the locks help us load the right pins and cylinders. If movers are coming, mention their arrival time so we can work around them.
- Show that you belong there. Moving into a relative's home or an ADU without a lease of your own? The property owner can authorize the work by phone or in writing, and we match that authorization to ownership records when needed. It's a short step that keeps anyone from rekeying a house they shouldn't.
- Walk the property and count cylinders. Every exterior entry gets checked, including ones you might not think of as doors, like a laundry room off the carport or a basement hatch. Together we decide what gets rekeyed, what gets replaced and what stays as it is. Nothing changes until you agree.
- Re-pin each lock. Rekeying happens right at your door, using the pinning kit in our van. We choose a fresh key combination, cut a key to match, and rebuild each pin stack so the old keys can no longer align the shear line. The hardware stays on your door the whole time.
- Reset codes and test every door. With the keyed locks done, we turn to what keys don't cover: keypad codes, smart lock admin access and, if you'd like help, the garage opener's memory. Then every door gets tested, locked and unlocked from both sides, with the door open and shut.
- Hand off the keys and the record. We finish by counting keys with you and suggesting where a spare should live, ideally not under a planter. If you need more copies later, we can cut them to the same combination. You pay after the work is done, at the price you approved.
Pricing factors
- Smart locks, keypads and electronics. Some smart locks reset in seconds; others need a specific button sequence, fresh batteries, or a hub to re-pair. We price the time involved and tell you up front if a lock is too old to reprogram reliably, so you aren't paying for a fight with outdated firmware.
- Extra keys and key control. Moving tends to multiply key requests: one per roommate, one for the landlord, one for a sitter. The number of keys affects the total, and so does the blank type. We'll recommend a sensible count and point out where restricted keys might justify their higher cost.
- When and where you book. Scheduled appointments during our regular hours keep costs predictable. Same-day visits are often possible but depend on that day's workload. The drive from our San Bernardino base to Ontario can play a part too. We tell you on the phone whether anything affects your price.
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 Ontario.
What to do before we arrive
- New-resident mail is full of welcome packets, replacement cards and account paperwork, and a former occupant's mailbox key may still fit. If the box is yours, change the lock in the same visit as the doors. If it's a cluster unit, ask who owns it before anyone touches it.
- Plan key copies around the new household's routine: teens who'll walk home from school, a nanny who starts next week, a relative who helps with the dog. Cutting those copies at the rekey is cheaper and tidier than making them one at a time later.
- Renters, keep the landlord's consent with your lease. A short email saying the landlord approves a rekey and will receive a copy is enough. If anything comes up at move-out, you'll have proof the work was authorized and that you supplied the key.
- Keep keys from your old home in a separate envelope and return them promptly if you rented. Many leases charge for keys that don't come back, and a ring of mixed old and new keys is exactly how people lock themselves out of the new place.
What not to do
- Swapping locks as a renter without permission. A lease that requires consent can turn a security upgrade into a dispute or a deposit deduction. Get approval in writing, rekey instead of replacing hardware, and hand over the copy your lease calls for. A five-line email now beats an argument over the deposit later.
- Assuming the landlord rekeyed. Some owners rekey at every turnover, and some only bother when a tenant leaves on bad terms. Unless you have a date or an invoice, you don't actually know, and a manager's best guess is still a guess. Asking costs nothing, while guessing wrong could mean a former tenant's key still opens your door.
- Attempting a DIY rekey kit on the wrong brand. Kits are brand-specific, and the pins are tiny and easy to lose or put in the wrong order. A dropped spring or a misplaced pin can leave a cylinder that won't turn at all, sometimes in the locked position, which turns a cheap kit into an emergency call.
Service in Ontario
Ontario is about 25 miles from our San Bernardino base, roughly 33 minutes in light traffic via I-215 North to the I-15 junction at Devore. When you call, you get an arrival estimate based on where the technician is and the traffic at that moment.
Homes and businesses just off Euclid Avenue are routine stops for us. Give the suite or unit number and any gate instructions, and say whether the van can park out front or should pull into a side lot.
About Ontario: Guasti began in 1904 as the company village of Secondo Guasti's Italian Vineyard Company, and its San Secondo d'Asti Church, completed in 1926, still holds services.
| Neighborhoods | Ontario Center, West Ontario along Mountain Avenue, Edenglen, Guasti, Ontario Ranch, Grand Park |
|---|---|
| ZIP codes | 91761, 91762, 91764 |
| Main routes | I-10, SR-60, I-15, Euclid Avenue |
| From our San Bernardino base | about 25 miles via I-215 North to the I-15 junction at Devore, then I-15 (Ontario Freeway) South to I-10 West and Holt Boulevard for downtown and the airport; stay on I-15 South to Ontario Ranch Road or SR-60 for Ontario Ranch. SR-210 West to I-15 South is the usual alternate. |
Planning a rekey in Ontario?
Call (951) 903-3193 and tell us how many doors you want on the new key and the brand of the locks if you know it. We'll quote the rekey before any work starts.
Frequently asked questions
Should I put the original keys back when I move out of a rental?
If you rekeyed with permission and gave the landlord a key, there's usually nothing to undo; the next rekey is the landlord's decision. If you swapped in your own cylinders or locks, your lease may require restoring the originals. Keep the old parts labeled in a box, and ask the manager what they expect well before move-out. Returning every key you were issued, plus any copies you made, keeps the walkthrough simple.
What's the difference between rekeying and changing locks?
Rekeying keeps your existing locks and changes the pins inside so a new key works and the old ones don't. Changing locks replaces the hardware entirely. After a move, rekeying is usually the right call when the locks are in decent shape. Replacement makes sense when locks are worn, damaged or low-grade, or when you want a different style such as a smart deadbolt.
Can you rekey a smart lock or keypad deadbolt?
Most smart locks and keypad deadbolts include a keyed backup cylinder, and that cylinder can usually be rekeyed like any other. The electronic side needs a reset: clearing user codes, changing the programming code and, for app-based locks, removing the previous owner's account. Some brands want the old account to release the device; a factory reset usually works when that isn't possible.
My apartment uses a master key. Can my unit still be rekeyed?
Yes, but it should go through management or have their approval. Rekeying a master-keyed cylinder without the system's keying records can lock maintenance out and disrupt the building's key system. Many complexes have a locksmith on file who can change your unit's key while keeping the master working. If management authorizes us and shares the keying details, we can handle it.
I moved in months ago and never rekeyed. Is it too late?
Not at all. A rekey works the same whether you moved in last week or last year, because old keys don't expire. If anything, waiting gives you more reason, since you've probably handed out a spare or two yourself by now. We'll rekey every exterior lock, cut a fresh set of keys and help you keep track of who holds them from here on.
How long does a move-in rekey take?
Most homes and apartments are finished in one visit. A standard residential cylinder takes only a few minutes once it's out of the door, so the total depends on how many locks you have, whether they share a brand, and whether any need repair. A small apartment is quick; a house with eight or ten cylinders plus a smart lock takes longer.
How far is Ontario from your base?
Ontario is about 25 miles from our San Bernardino base, roughly 33 minutes in light traffic. Arrival time depends on traffic and on the job the technician is finishing, so we give you an estimate on the phone before you commit.
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