Covina, Los Angeles County
Rekey All House Locks in Covina: Doors, Gates and Codes
Short answer: To rekey all house locks, a locksmith re-pins every keyed cylinder on the property, including the front, back and garage entry doors, the garage side door, security screens and gates, so no old key works anywhere. Julian's Locksmith handles whole-house rekeys on-site in Covina, usually in a single visit, and quotes the full job before starting. Call (951) 903-3193.

A whole-house rekey sounds like a major project, but on a typical home it's a single visit. We bring pins, springs, key blanks and cutting equipment, so nothing leaves your property and no lock sits apart overnight. Doors are handled one at a time, tested, then closed up before the next one opens. Plan to be home for the visit, ideally with every key you own on the kitchen table. Ready to rekey all house locks in Covina? Call (951) 903-3193 and tell us roughly how many doors and gates you have.
What to expect in Covina
All means more than most people expect. On a typical single-family home, the list starts with the front door, which often has two cylinders: a deadbolt plus a knob or lever, or a handleset whose key lives in the deadbolt. Add the back door, the door from the garage into the house, and the garage side door, each commonly with a knob and a deadbolt. Then come the outliers: a steel security screen with its own cylinder, French doors with a euro cylinder, a slider with a small keyed latch, a side gate with a keyed deadbolt or rim lock, an RV gate padlock, a shed, a casita or a keyed home office. Some homes also have keyed window locks or a manual T-handle on an older overhead garage door. Mailboxes are separate: they're small cam locks with their own keys, and cluster boxes follow post office or HOA rules. When you set out to rekey all house locks, the first job is writing that list down, because a cylinder that never makes the list never gets re-pinned.
What we can do on-site
- Whole-property lock inventory. We check places people forget: the knob under each deadbolt, the door from the garage into the house, a keyed screen door, side and RV gates, a casita, a home office with a keyed lever. If a lock takes a key, it goes on the list, even if you've never used it, because someone else might have that key.
- Re-pinning every exterior door. The core of the job is re-pinning each exterior door cylinder to the new key: deadbolts, knobs, levers and handlesets on the front, back and side entries. We work one door at a time, test it locked and unlocked from both sides, and only then open up the next. Your house is never left with several doors apart.
- Outbuildings, casitas and padlocks. Padlocks are hit or miss. Some commercial-grade padlocks have rekeyable cylinders, and some are sold in common residential keyways. Budget padlocks aren't rekeyable at all, and the practical fix is a matched set of new keyed-alike padlocks. We'll tell you which of yours can be re-pinned before you pay for anything.
- Smart locks, keypads and lockboxes. Keypads, lockboxes and hidden spares are the access points people forget once the keys are changed. A lockbox left from a sale, a code shared with a former cleaner, a magnetic key holder under the bumper of a car you sold: we ask about each one, because a whole-house rekey only works if the side doors are closed too.
- Replacing the locks that shouldn't be rekeyed. A whole-house job almost always turns up a lock or two that isn't worth re-pinning: a knob with a worn latch, a deadbolt damaged in a past break-in, a slider with a wafer cylinder. We replace those with new hardware keyed to the same key, so the house still ends up on a single key without a weak link.
What's different about Covina
Inland summer heat in Covina bakes door hardware. Finishes fade, latches swell and stick, and cylinders collect fine dust that makes keys drag. Re-pinning a lock is a good moment to clean it and replace tired springs. During a whole-house rekey we note which locks feel gritty or stiff, because heat-stressed hardware often fails soon after. West-facing doors and garage entries tend to be the worst, and we can quote replacements alongside the rekey.
Houses built before 1980 in Covina often show their age at the keyhole: brass knobs from the 1950s, a deadbolt added in the 1980s, a mortise lock on the front door and a different brand in each room. A whole-house rekey here begins with an honest look at which pieces still work. Original mortise sets can often be rebuilt and re-pinned, while worn knobs and loose latches are better replaced. We aim to keep the character and still end up on one key.
Family homes in Covina tend to accumulate keys: the babysitter, the grandparents, a neighbor who waters plants and a teenager who has lost three copies of their own. A whole-house rekey brings the key count back to something you can manage. We usually suggest a small number of new keys, a keypad or smart lock code for kids and visitors, and a clear plan for who can reach the garage and side gate.
Example situations
- A remodel crew held a house key for three months, along with the garage keypad code. The work is finished and the family is pleased, but they would like the key count reset. We rekey the exterior doors and the garage entry, help them change the keypad code, and walk the property to be sure nothing else, like a side gate or lockbox, still works for the crew.
- Over twenty years, a family in Covina has handed spare keys to neighbors, a pet sitter, two babysitters, a visiting cousin and a long-gone housemate. Nobody can say who still has one. Instead of chasing each key, the couple rekeys every lock and decides to issue just three new keys, with a keypad code for anyone who needs occasional access.
- A homeowner uses a kit on the front and back doors, then learns months later that the garage side door still opens with the old key. Nobody wrote that door down. A whole-house count prevents exactly this gap. We list every keyhole first, including screens and the knob under the deadbolt, and the job isn't finished until each one has been tried with the new key.
- After a separation, a homeowner in Covina wants every lock changed before her partner collects his belongings. The front door is the obvious one, but the walk-through turns up nine more cylinders: the garage side door, a slider latch, two gates, a shed and more. We re-pin them all to one new key during a single visit, and she sets a fresh code on her smart lock before we leave.
How the visit works
- Count the keyholes before we arrive. Tell us why you're rekeying. A separation, an inherited house and years of loaned copies call for slightly different plans. Knowing the reason helps us ask about codes, remotes and hidden spares you might not think to mention.
- Gather every key and show you belong at the address. We confirm you own or lawfully occupy the home before touching a cylinder. Photo ID plus a utility bill, mortgage statement, lease or similar proof works. For an inherited house, we may ask to see the paperwork showing you can act for the estate.
- Agree on the key plan before any pins come out. Think through who gets keys. Household members, the pet sitter, the gardener and grown children may need different access. Naming them now lets us build levels into the cylinders instead of giving everyone the same key by default.
- Rekey one door at a time and test as we go. We work in an order that keeps you secure: exterior doors first, then the garage, then gates and outbuildings. If your schedule allows only part of the job on one day, the most exposed doors are the ones finished first.
- Cut, count and test every key. We'll hand you a short list showing which door takes which key. Keep it private, since it shows how your keys work. If you ever add a lock, the list tells you which keyway and key to match.
- Reset what rekeying doesn't touch. Rekeying changes metal keys only. Garage remotes, keypad codes, smart lock users, alarm codes and any lockbox are separate. We walk through each with you and help with the ones we handle, so the old ways in are closed on the same day.
What affects the cost
- Condition of the oldest and cheapest locks. Sun and sprinkler overspray age exterior hardware faster than interior hardware. Expect the side gate and back door to be the hardest. A bit of cleaning and fresh springs revives many locks, while others have simply reached the end. We'll tell you which is which.
- Locks at the edge of the property. Not everything at the edge is yours to change. Cluster mailboxes, HOA gates and utility enclosures belong to someone else. We point out what's out of bounds so the quote covers only what you can legally and practically change. That avoids paying for work you can't use.
- Key plan, key count and timing. Hours and distance play a role. We work every day from 6:30 a.m. to 11:30 p.m., weekends included. A planned daytime slot is easier to schedule than an urgent evening call. The drive from our San Bernardino base counts too, so share your address and any gate code when you book.
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 Covina.
Mistakes to avoid
- Spending a rekey on a failing lock. A knob with a worn latch or a deadbolt chewed up by a past break-in will keep failing no matter how new the key is. Replace the weak hardware and key it to match, instead of nursing it along.
- Skipping the garage side door and the door from the garage into the house. These two are among the most commonly lent out and the most commonly forgotten. If either one stays on the old key, anyone holding that key still has a way into your home.
- Making copies from copies at a kiosk. A key duplicated from a worn duplicate drifts from the original cuts, and a few generations later it sticks or fails. Cut all later keys from your stored master, and keep a count of how many exist.
Practical tips before you call
- Use every new key on day one. Try each in its lock from outside with the door closed behind you. A key that sticks now is a fixable problem. One that fails a month later is much harder to diagnose, and we'd rather adjust it while the tools are still out.
- Collect keys before the visit. Gather every key from drawers, hooks, cars, kids' backpacks and the hide-a-key spot. Keys you can't match to a lock are still worth bringing, because we can try them, tell you what they open, and let you recycle the rest.
- Keep house keys off the ring you hand to valets and mechanics. A shop can copy a house key as easily as a car key, and a parking attendant sees your registration and your address. Carry a small separate key for the car and keep the house key in your pocket.
- Check the knob under the deadbolt first. On many front doors the knob has a key slot of its own, and owners forget it because the deadbolt does the real work. If it takes a key, it belongs on the new plan, or the old key still turns it.
Getting to Covina
Covina is about 39 miles from our San Bernardino base, roughly 45 minutes in light traffic via I-215 North to I-15 South. When you call, you get an arrival estimate based on where the technician is and the traffic at that moment.
Commercial jobs on busy stretches like Grand Avenue sometimes need a parking plan, especially for storefront doors or roll-up gates. Let us know about loading zones, red curbs or parking structures before we arrive.
About Covina: The 2020 census counted 51,268 residents in Covina, while Charter Oak, the unincorporated community along its northeast edge, counted 9,739.
| Neighborhoods | Vincent, Hollenbeck Park area, Mesa Oaks, Village Oaks Drive and Jalapa Park area by I-10, Sunkist Park area, Covina Park area |
|---|---|
| ZIP codes | 91722, 91723, 91724 |
| Main routes | I-210, I-10, SR-57, Azusa Avenue |
| From our San Bernardino base | about 39 miles via I-215 North to I-15 South, then the Foothill Freeway (SR-210/I-210) West through Rancho Cucamonga, Upland, La Verne and San Dimas to the Citrus Avenue exit in Glendora and south on Citrus Avenue into downtown; Sunflower Avenue exit for Charter Oak and the east side, Azusa Avenue (SR-39) for the west side, or I-15 South to I-10 West through Pomona for the south end near IKEA |
Planning a rekey in Covina?
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
Can the garage or guest house have a different key?
Yes. We can set up two separate keys, or a small master arrangement where your key opens everything and another key opens only certain doors, such as an ADU, a workshop or a gate. Each extra level adds some setup, and we explain how it affects security before you decide. The plan is written down before we re-pin anything.
Is your locksmith licensed, and how can I verify it?
Julian's Locksmith holds California locksmith company license LCO7891, issued by the Bureau of Security and Investigative Services. You can look it up yourself at search.dca.ca.gov. We also verify who you are before we rekey a home, because the Locksmith Act expects it, and the check protects you as the property owner.
Do I need to be home while you rekey the house?
Yes, or someone you trust who is 18 or older and can show they live there or act for you. We verify who is authorizing the work before we start. Plan on having every door, gate and the garage accessible. We work every day from 6:30 a.m. to 11:30 p.m., weekends included.
What about my mailbox and my HOA's gates?
A private mailbox has its own small lock that can usually be rekeyed or swapped. Cluster mailbox units belong to the postal service or your HOA, and their locks follow their rules, so we don't change them. Likewise, community gates and common-area doors stay with the association. We rekey what's yours and tell you which doors aren't.
Can sliding doors and security screens be rekeyed?
Some can. Many sliding doors use a latch with no cylinder at all, and some have a small wafer lock that often can't be rekeyed to match. Security screen doors frequently have a rekeyable or replaceable cylinder. We check each one during the walk-through and tell you which can join the house key and which should be swapped.
Can you rekey all house locks in a single visit?
On most homes, yes. We bring pins, springs, key blanks and cutting tools, and we work door by door so nothing sits apart overnight. Large properties with outbuildings and many padlocks can take longer or need a second visit. Tell us roughly how many doors and gates you have, and we'll say whether one trip is realistic.
How far is Covina from your base?
Covina is about 39 miles from our San Bernardino base, roughly 45 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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