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Julian's Locksmith

La Mirada, Los Angeles County

Need a New Key but Not a New Lock in La Mirada?

Short answer: Some locks let you change the key yourself. Kwikset SmartKey cylinders reset with a small tool and a working key, while most others need pins, springs and a plug follower, which is easy to fumble. If you'd rather not risk a lock that won't turn, Julian's Locksmith will do it at your door in La Mirada after confirming you live there or own the place.

Change Key without Replacing Lock in La Mirada, CA — Rekeying pins and a lock cylinder

When people say 'my lock', they usually mean three things at once: the key in their hand, the small cylinder behind the keyhole, and the bolt-and-latch hardware built into the door. Changing a key without replacing the lock means changing the first two and leaving the third alone. The pins inside the cylinder are swapped so a new key fits and the old one doesn't, while the deadbolt, handle, finish and strike plate stay put. For most residential locks in La Mirada, that is a short, tidy job. Julian's Locksmith does it at your door with a mobile pin kit and key machine, and we'll tell you honestly if your particular lock is a poor candidate.

What to know first in La Mirada

It helps to keep a short checklist of what survives a key change. Stays: the lock body, bolt, latch, strike plate, handle or lever, finish, door prep and mounting screws, plus any keypad, touchscreen or Bluetooth electronics on a smart lock. Changes: the key pins inside the cylinder and the key itself. Does not change automatically: keypad codes, app guest access, garage remotes and whatever neighbors or relatives are holding for you, which is why we review those with you at the end of the visit in La Mirada. The lock's strength also stays the same. Rekeying makes the old key useless but does not turn a weak lock into a strong one, so a budget deadbolt stays a budget deadbolt. If you want better security, we can swap in a higher-grade cylinder or deadbolt, and we'll price that separately so you can see the difference. A rekey is also a good moment to look over the door itself: strike plate screws, hinge screws and bolt throw all get a check before we pack up.

Work included on a typical visit

  • Door knobs and levers with keyed entry. Some knobs release their cylinder only after the whole knob comes off; others have a small access hole. We identify which you have, work carefully around the finish, and test the latch when we're done. If the knob is loose or the spindle is worn, we say so, because no rekey will fix that.
  • Handlesets and decorative entry hardware. If your handleset's deadbolt and latch use different keys, we can bring them onto one so the front door needs a single key. That is a bonus of changing the key without replacing the lock: you can fix a daily nuisance at the same time as the security problem.
  • Cylinder swaps when a rekey won't hold. Some cylinders are too worn, corroded or damaged to re-pin reliably. Rather than push a bad plug through another rekey, we fit a new cylinder of the same brand and keyway into your existing lock. You get a fresh mechanism and a new key, and the lock body, trim and finish stay on the door.
  • Interchangeable cores: a swap in seconds. Cores can be pinned to a new key at our work tray and swapped in during a short visit. This suits businesses that rotate keys often, or landlords with several doors. You keep the lock body, and the old core can be re-pinned and used elsewhere later.
  • Patio doors, security gates and screen doors. Hardware on security doors takes weather and wear, and many cylinders are small and fragile. If a plug is too far gone, we replace just the cylinder. If the whole latch is failing, we say so, because a new key in a failing lock doesn't help you.

Local factors in La Mirada

Student rentals near campus are a revolving door of keys. At lease end, departing roommates keep copies and new tenants arrive. Rekeying the existing locks, rather than replacing them, is the economical way to reset access at each turnover. We keep a record so the next owner or manager can repeat it without guessing. Doing it once a year, before the new lease begins, keeps the process predictable.

Older La Mirada homes often have hardware worth keeping: a heavy brass entry set, a mortise lock original to the door, glass knobs with a deadbolt added later. Replacing those means new bores, filled holes and a different look. Changing the key keeps the character. We rekey or swap the cylinder, keep the trim, and tell you plainly if the lock body is tired enough to retire.

Storefront doors in La Mirada shopping centers often use mortise cylinders and Adams Rite deadlatches that can be rekeyed without touching the door. After an employee leaves or a lease changes, a rekey is faster than replacing hardware, and any landlord-required hardware stays in place. We cut keys for current staff and record the keying for your files. Most storefront rekeys finish before opening hours, with no disruption to customers.

Situations this covers

  • After a kitchen remodel, a family wants to be sure the contractor's crew can't come back in. The locks are a mix of sound deadbolts and a sticky back-door knob. We rekey the deadbolts, replace only the knob's cylinder, and leave the rest alone. They pay for what was actually needed, not for a full set of new locks.
  • A renter who has just received a protective order asks her landlord for new locks. In certain protective order situations, California requires landlords to change them within 24 hours of a written request (Civil Code sections 1941.5 and 1941.6). The landlord books us, we confirm authority with the landlord, rekey the entry deadbolt, test the lock and hand the new keys to the landlord to give to her.
  • A family has handed out the keypad code and the backup key for their smart deadbolt to a dozen people over the years. We rekey the backup cylinder, walk them through clearing old codes in the app and set two fresh ones. The hardware stays, the access list starts over, and the family finally knows exactly who can get in.
  • A property owner with a gated side yard discovers the padlock key was cut for a gardener who left long ago. The padlock itself is solid. We re-pin it, cut new keys and check the hasp, so the gate stays shut, the old gardener key is dead metal, and nothing has to be bought new.

Step by step with Julian's Locksmith

  1. Describe the lock and why the key needs to change. Photos help more than descriptions. Snap the front of each lock, the edge of the door where the latch sits, and any stamp on the cylinder. We can often recognize the lock, say whether it's re-pinnable and quote the visit before we arrive.
  2. Show that you're allowed to change it. If you live in a rental, tell us up front. Landlords control the locks in most leases, so we need their permission, and sometimes the landlord will want to book us directly. Protective-order lock changes follow their own rules, which we're glad to explain.
  3. Inspect the lock and choose rekey, cylinder swap or replace. Alignment problems often disguise themselves as lock problems. If the bolt drags because the door has shifted, we adjust the strike or hinge screws first. Then we decide whether the cylinder needs any work at all.
  4. Remove the cylinder and re-pin it. We unscrew or release the cylinder, use a plug follower to push the plug out without losing the springs, and swap the key pins for ones that fit the new key. Each cylinder is measured twice. Then it goes back into the lock and the hardware is refitted.
  5. Test the new key and the working door. A rekey is only done when the old key fails and the new key works every time. We check both, plus any spare keys. If the door still sticks, we adjust the strike or hinges while we're there rather than leave you with a new annoyance.
  6. Hand over keys and check what's left. Gather any old keys and pull them off your rings; they no longer turn anything and only cause confusion. We leave you a note of what we changed and which key type to ask for if you need copies later, so any licensed locksmith can match it.

What affects the cost

  • How many keyed cylinders you're changing. The count of keyholes drives time on site more than anything. A single front-door deadbolt is a quick job. A house with a front door, back door, garage entry, side gate and shed is several jobs in one visit. Tell us the total when you call and we quote accordingly.
  • Rekey, cylinder swap or full replacement. If the lock needs replacing, the price depends on grade and finish. Entry-level deadbolts, higher-grade models and decorative handlesets differ widely. We can supply a replacement or install one you've bought, and we'll tell you if what you bought won't suit your door.
  • How many new keys and what type. Keys are cut on site, and each one adds a small amount to the job. Most households want three to five. Restricted or six-pin keys need special blanks and cost more, but copies can't be made at a kiosk, which helps if you've had trouble with stray duplicates.

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 La Mirada.

Practical tips before you call

  • Keep the brand and model if you have the box or receipt. A model number lets us check whether parts and cylinders are available, which matters for older or decorative locks. Take a photo of the paperwork and file it with your home records.
  • Use a puff of graphite or PTFE spray in the keyway once a year, never household oil. Oil traps dust and bakes into gum in a hot, dry climate, while a dry lubricant keeps the new pins moving and the key turning without effort.
  • Treat a rekey as a mini tune-up. While the lock is apart, tighten the mounting screws, check the strike plate, clean the latch and add a dry lubricant. A smooth lock is also less likely to jam when you're in a hurry with a handful of groceries.
  • Ask what the locksmith found inside. A cylinder might show corrosion, a worn plug or pins that don't match what you expected. A short explanation tells you whether the lock has years left. If a technician can't explain what they saw, ask again.

Mistakes to avoid

  • Buying a DIY rekey kit for the wrong brand. Kits are built for specific keyways, and a Kwikset kit won't help a Schlage lock. Pins that look similar can sit at the wrong depth. Check the brand and keyway before you order, or let a locksmith handle it.
  • Hiring whoever quotes the lowest number on the phone. Teaser quotes tend to grow at the door once the technician says your lock can't be rekeyed. Ask for the company name, the license number and the all-in price. Check the license at search.dca.ca.gov first.
  • Rekeying a rental without permission. A tenant who changes locks without the landlord's consent can break the lease and block emergency access. Ask in writing first. Landlords have their own obligations too, including working deadbolts on main entry doors under Civil Code section 1941.3.

Service in La Mirada

La Mirada is about 56 miles from our San Bernardino base, roughly 70 minutes in light traffic via I-215 North briefly to I-15 South, SR-60 West. When you call, you get an arrival estimate based on where the technician is and the traffic at that moment.

We plan the drive the way a delivery route gets planned: freeway first, Biola Avenue where it makes sense, then the side streets you describe. A landmark or the color of your building helps the technician spot you.

About La Mirada: La Mirada's population climbed from 22,444 in 1960 to 40,986 in 1980 and stood at 48,008 in the 2020 census.

NeighborhoodsNeff Park area, Gardenhill, Hillsborough, Granada Heights, Windermere, Creek Park
ZIP codes90638, 90639
Main routesI-5, Beach Boulevard, Imperial Highway, Valley View Avenue
From our San Bernardino baseabout 56 miles via I-215 North briefly to I-15 South, SR-60 West (Pomona Freeway), then SR-57 South (Orange Freeway) to the Imperial Highway (SR-90) exit and west on Imperial Highway to Beach Boulevard (SR-39) and into town; alternate via I-215 South and SR-91 West through the Santa Ana Canyon to Beach Boulevard, then north through Buena Park to Rosecrans Avenue or Imperial Highway, or I-5 North to Valley View Avenue for the southwest corner

Planning a rekey in La Mirada?

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 you change the key if I have no working key?

Usually yes. We can often open the lock without damage, remove the cylinder and re-pin it, because a rekey doesn't require the old key. If the lock is too stubborn or damaged, we may need to replace the cylinder. We ask about it on the phone, then confirm ownership at the door before opening anything in La Mirada.

Will the lock look different or need new holes drilled?

No. When we change the key, the lock stays on the door exactly as it is: same handle, finish, bore and screw holes. Nothing needs drilling or filling. The only visible change is a new key. If we swap a cylinder, the face may differ slightly in finish, and we match it as closely as the maker's parts allow.

When can you come out to change the key?

We work every day from 6:30 a.m. to 11:30 p.m., weekends included. We're closed between 11:30 p.m. and 6:30 a.m. Call (951) 903-3193, describe your lock and give us your location in La Mirada, and we'll give you an honest arrival estimate and a quote before we head out.

What's the difference between changing the key and changing the cylinder?

Changing the key means re-pinning the cylinder you already have. Changing the cylinder means installing a different one in your existing lock, often because the old one is worn or you want a different keyway such as a restricted system. Both keep the lock body, handle and finish. A cylinder swap includes a part, but it gives you a fresh mechanism.

How does the cost compare with a new lock?

A rekey of a sound lock usually costs less than buying and installing new hardware, but it depends on the number of cylinders, the brand, whether you have a working key and the lock's condition. A badly worn lock can cost nearly as much to rekey as to replace. We quote the options before starting, so you can compare them side by side.

Will my old keys still work afterward?

No. Once the pins are changed, the old key lifts them to the wrong heights and can't turn the plug. We test the old key to prove it, then hand you the new ones. The only exception is if you ask us to match the lock to an existing key, in which case that key and any copies of it still work, so we ask who has them.

How far is La Mirada from your base?

La Mirada is about 56 miles from our San Bernardino base, roughly 70 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