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Julian's Locksmith

Monrovia, Los Angeles County

Rekey Door Locks in Monrovia Without Replacing Hardware

Short answer: Before we rekey door locks in Monrovia, find a working key for each door if you can, a photo ID that matches the address or other proof you're authorized, and a list of the doors you want changed. Missing a key for one door? We can usually pick or decode it. We work every day, 6:30 a.m. to 11:30 p.m.

Rekey Door Locks in Monrovia, CA — Locksmith rekeying a residential lock cylinder

If your key ring holds one key for the front door, another for the back and a third nobody can identify, rekeying is the cure. When we rekey door locks, we can set every compatible cylinder to the same new key, so one key opens the doors you use and the old copies floating around stop working. The catch is keyway. A Kwikset lock and a Schlage lock take differently shaped keys, so bringing them together means swapping a cylinder or two. In Monrovia, we sort that out at the first door, explain your options in plain terms, and quote before re-pinning anything.

How this works in Monrovia

A fresh set of pins can't fix a door that fights its own lock. Doors move: wood swells during winter rains and shrinks again in dry heat, hinge screws loosen, and houses settle, so a strike plate that lined up perfectly when the lock went in may now sit a little high or low. The result is a deadbolt you have to push, pull or lift to throw, and that sideways pressure wears the cylinder, tailpiece and bolt far faster than normal use. So when we rekey door locks, we check each door's operation before and after. We look for full bolt throw, a latch that catches without a slam, hinge screws that bite, and a strike held by long screws reaching the framing. The door from the garage into the house deserves special attention. In many California homes it has spring hinges or a closer so it shuts and latches on its own, and a freshly rekeyed lock does little good if that door drifts open. Small adjustments made during the same visit usually settle these problems for good.

How we can help in Monrovia

  • Front door deadbolt rekeying. Kwikset and Schlage deadbolts are the locks we rekey most often in Monrovia, and they come apart easily once you know how the tailpiece and retaining clip fit together. Higher-end deadbolts from Baldwin, Yale or Medeco take more care. Whatever the brand, we test the new key with the door open and again with it shut, because binding often appears only under closed-door pressure.
  • Mortise and rim cylinders. Many older front doors, and some newer high-end ones, use mortise locks: a lock body set into a pocket cut in the door edge. The cylinder threads into that body and is held by a set screw on the door's edge. We loosen the screw, unthread the cylinder, re-pin it and set the cam correctly before tightening everything back up.
  • Garage entry and garage side doors. Side doors into an attached or detached garage are often the oldest locks on the property, exposed to sprinklers and afternoon sun. When we rekey those door locks, we expect grit, dried lubricant and sometimes rust on the springs. Cleaning and re-pinning usually brings them back. A badly corroded cylinder gets replaced and keyed to match instead.
  • Security screen and storm doors. A screen door key on its own ring is a daily nuisance. When we rekey door locks behind a security screen, we try to bring the screen onto the same key, so you aren't sorting keys on the porch with groceries in your arms. Where that isn't possible, we can cut its key on a colored blank so it's easy to grab.
  • Kwikset SmartKey locks. Kwikset SmartKey locks can be rekeyed without taking the cylinder apart, using the current key and a small reset tool. It sounds easy, and with a good working key it usually is. Where it goes wrong is a worn key, a botched attempt, or a cylinder stuck partway through the reset. Those are situations we can sort out on-site.

What's different about Monrovia

Foothill homes take a beating from wind, dust and big temperature swings, and doors facing canyon winds tend to slam and drift out of alignment. When we rekey door locks up here, we pay close attention to strike position and weatherstrip pressure, because a bolt fighting a wind-loaded door wears quickly. Clearing fine grit out of each cylinder during the re-pin makes a noticeable difference after a Santa Ana season.

Apartment door locks follow the lease. Renters should get the landlord's written approval before any door is rekeyed, and many leases require giving management a copy of the key. Landlords handling a turnover usually want the entry deadbolt and knob rekeyed while mailbox and common-area keys stay with management. We'll rekey door locks inside the unit, cut keys for both tenant and owner, and note the change for your records.

Busy family homes tend to have keys scattered everywhere: grandparents, babysitters, carpool neighbors, a teenager who lost theirs twice. Rekeying resets all of that in one visit. Many families key the front, back and garage entry alike for simplicity, then give older kids and helpers a keypad code instead of a metal key, so access can be removed later without paying for another rekey.

Example situations

  • For example, a homeowner realizes the steel security screen door has a key nobody has seen in a decade, so the screen just stays unlocked. We'd pick or decode the screen door cylinder, then check whether it accepts the house keyway. If it does, it gets re-pinned to the house key. If it's a proprietary cylinder, we'd quote a compatible replacement before doing anything else.
  • A typical evening call in Monrovia: the door from the garage into the kitchen won't latch unless someone slams it. The owner wanted that lock rekeyed after a house sitter left and assumed the knob was failing. It isn't. The spring hinges have lost tension and the strike sits slightly high. We'd re-pin the knob and deadbolt, tension the hinges and reset the strike, and the door closes on its own again.
  • Say someone tried to reset a Kwikset SmartKey deadbolt with a worn copy and the cylinder stopped partway through. Now no key turns it and the back door is stuck locked from outside. We'd bring the cylinder back to a known state with the proper tools, or replace it if the internals are damaged, then key it to the household's current key so nothing else in the house changes.
  • A typical ADU setup: a converted garage behind a house in Monrovia now has its own entry door with a lever and a deadbolt. The owners rent it to a relative and want their house key to open it, but they don't want the ADU key opening the main house. We'd explain a small master key arrangement, pin the ADU door accordingly, and write down which keys go to whom.

How the visit works

  1. Tell us which doors and what's on them. Call (951) 903-3193 and list the doors you want rekeyed: front, back, garage entry, side door, slider, screen, gate. Tell us the brand if you can read it on the latch face or a key head. Kwikset, Schlage and other makers take different parts, so the more we know, the better stocked we arrive.
  2. Confirm you're authorized. When we arrive, we check photo ID against the address before any lock comes apart. If your ID shows an old address, a utility bill, closing statement or lease in your name works. California's Locksmith Act and plain common sense both say we shouldn't rekey door locks for someone who can't show they belong there.
  3. Check each door before touching the lock. Before removing anything, we operate each door: throw the deadbolt with the door shut, turn the knob, let the door swing closed by itself. That tells us whether a binding bolt or sticky latch is a door problem or a lock problem, which changes what actually needs fixing.
  4. Re-pin each cylinder, one door at a time. While each plug is out, we clean old graphite, dust and grit from the cylinder, check the springs and replace any that are weak or rusted. A rekeyed lock should feel smoother than it did before we arrived. If it doesn't, we keep working on it until it does.
  5. Test from both sides. Keys cut in the van get deburred and tried in every lock they're meant to open. If a key feels rough or catches, we recut it. Testing every key in every intended door is tedious, and it's exactly the step that prevents a callback later.
  6. Hand over keys and a door list. You get the agreed number of keys, and we suggest counting them in front of us. We also leave a simple list of which doors take which key, useful later when a cleaner, contractor or relative asks for access and you need to decide what to hand over.

How we quote the job

  • How many doors and cylinders. Many homes turn out to have more keyed cylinders than the owner remembers once the garage entry, the side door, the screen door and the gate are counted. Getting that number right on the phone lets us quote accurately and avoids finding three more locks after we've arrived.
  • Brands and keyways. Rekeying within one brand is straightforward. Mixing brands is where costs grow, because a Kwikset cylinder can't take a Schlage key without swapping the cylinder or the hardware. If you want one key for every door and your locks are mixed, expect a few cylinders or locks to be replaced.
  • Door adjustments and small parts. Adjusting a strike plate, adding longer screws or tightening loose hinges adds a little time and occasionally a part, such as a reinforced strike. These fixes often matter as much as the rekey itself, because a door that binds will wear out a freshly pinned cylinder.

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 Monrovia.

Common errors that cost time and money

  • Hiring whoever answers first from an online listing without checking for a license. California requires locksmith companies to be licensed through BSIS. Ours is LCO7891, and you can confirm it at search.dca.ca.gov. A legitimate locksmith also gives you a price before touching any door.
  • Lubricating with oil or grease. A shot of household oil seems to help for a week, then the film gathers dust and the pins start to drag. Locksmiths use dry graphite or a PTFE lock lubricant, applied sparingly. Inside a cylinder, more lubricant is never better.
  • Assuming every lock can be rekeyed. Patio slider cylinders, storm door handles and some screen door locks are wafer designs or proprietary parts. Paying for an attempt on those wastes time and money; ask the locksmith to identify each lock first and quote replacements where they're needed.

What to do before we arrive

  • Have the smart lock app open on your phone if a door has one. Rekeying the backup cylinder doesn't touch codes or app users, so the visit is a good moment to delete old codes, check who holds admin access and swap in fresh batteries. We can go through it with you.
  • Rekey door locks you plan to keep, and replace only the ones that are failing. A wobbly knob or a latch that sticks is better replaced and keyed to match than re-pinned. Paying to rekey a lock you'll swap out next year rarely makes sense.
  • If you rent, get the landlord's approval in writing before booking, and plan to give them a copy of the new key if your lease requires it. Most California leases address lock changes, and skipping that step can turn into a dispute over your deposit at move-out.
  • Clear a path to each door, especially the garage entry and the slider. Boxes stacked against a garage door or a couch pushed up to a slider slow the work and make it hard to test the door's swing. Ten minutes of moving things keeps the visit efficient.

Reaching Monrovia

Monrovia is about 44 miles from our San Bernardino base, roughly 48 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.

Our path into Monrovia depends on where the previous job wrapped up. Sometimes that's a straight run via I-210; other times it's surface streets the whole way. Either way, you get a heads-up call when the technician is close.

About Monrovia: Monrovia Unified School District topped the city's 2021 list of principal employers, followed by Trader Joe's, which is headquartered on South Shamrock Avenue.

NeighborhoodsSouth Monrovia, Cloverleaf Canyon, Norumbega Drive foothills, Monroe Place and the original townsite grid, Highlands, Old Town
ZIP codes91016, 91017
Main routesI-210, Foothill Boulevard, Huntington Drive, Myrtle Avenue
From our San Bernardino baseabout 44 miles via University Parkway to SR-210 West (Foothill Freeway), continuing onto I-210 West through Glendora, Azusa and Duarte; exit Myrtle Avenue for Old Town, Station Square and the foothill streets, or Huntington Drive for the west side

Planning a rekey in Monrovia?

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 rekey door locks myself with a kit?

You can, if every lock is the same brand and you're patient with tiny parts. Kits are keyway-specific, though, and a slipped follower can spill springs and drivers that are hard to put back. Mortise, smart lock and handleset cylinders add complications. If one stubborn lock leaves a door unusable, call (951) 903-3193 and we'll finish the job.

Can you rekey my security screen door?

Often, yes. Many steel security screen doors use cylinders in a Kwikset or Schlage keyway, which we re-pin to your house key like any other lock. Some use proprietary cylinders that have to be replaced instead. Either way, bringing the screen onto your main key means one less key on the ring and fewer forgotten copies in circulation.

Can a sliding glass door lock be rekeyed?

Sometimes. Many patio sliders use small wafer cylinders or proprietary parts that can't be re-pinned. When the slider's lock accepts a standard cylinder, we can key it to your house key. When it doesn't, we can install a keyed replacement that fits the cutout, or add a foot lock or charley bar so the slider is secure from inside.

Can you rekey the key cylinder in my smart lock?

In many cases. The Schlage Encode, Kwikset Halo and keyed Yale Assure models use their brands' standard cylinders, and retrofit locks such as August and Level keep your original deadbolt cylinder. Those can be re-pinned. Some app-based locks use proprietary cylinders with limited parts. Rekeying never changes codes or app access, so those need resetting as a separate step.

Can you rekey an old mortise lock?

Usually. A mortise cylinder threads into the lock body and is held by a set screw on the door edge; we loosen that screw, unthread the cylinder, re-pin it and set the cam. The main risks are painted-in screws and stripped threads, which we work around carefully. If the mortise body itself is worn out, we'll tell you and suggest options.

Will my deadbolt and knob end up on the same key?

They should, and we make sure of it. A front door often has two cylinders, one in the deadbolt and one in the knob or lever, and both need re-pinning to the same new key. If the knob is worn or loose, we may suggest replacing it with a matching model keyed alike instead of spending money re-pinning it.

How far is Monrovia from your base?

Monrovia is about 44 miles from our San Bernardino base, roughly 48 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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Daily 6:30am–11:30pm