Repair, rekey or replace: three different jobs
People often use the words interchangeably, but a locksmith treats them as three different jobs. A repair fixes a specific fault in a lock that is otherwise sound: a loose set screw, a latch that needs adjusting, a spring that has slipped. A rekey changes the internal pins of a cylinder so a new key works and old keys do not. A replacement removes the old lock and installs a new one in its place.
Each has its place. If a door is hard to latch because the strike is a little off, a repair is the sensible answer. If a key was lost and the lock otherwise works well, a rekey keeps the hardware and changes who can open it. If the lock is worn, broken, outdated or does not suit the door, replacement is the right move. The page on rekey versus replace explains the thinking in more depth.
A good technician will not simply sell you a new lock. They will look at the one you have, test it, and tell you honestly which of the three jobs fits. If a repair will hold, they should say so. If replacement is better, they should explain what they saw that led to that conclusion, so you can judge for yourself.
Signs that replacement is the better choice
Several clues point toward replacement. The first is general wear: a lock that has been used for many seasons in Florida humidity, with a finish that is pitting or peeling, internal parts that rattle and a key that never turns smoothly. Another is damage. A lock that was kicked, forced, pried or drilled during a break-in attempt may still look normal but be weakened inside.
A third sign is repeated failure. If you have had the same lock repaired more than once, the underlying parts are probably tired. A fourth is mismatch. Some locks were never right for the door: a lightweight interior lockset on an exterior door, a knob lock with no deadbolt on a front entry, or a thin latch that does not engage the strike properly. In those cases, no repair will make the lock suitable for the job.
Finally, there is security. If you lost keys you cannot account for, or you are moving into a home where previous owners may still hold copies, a fresh lock is a reasonable choice, though rekeying can accomplish the same goal. If the hardware is outdated, such as an old brass knob set or a lock with an unusual keyway that is hard to duplicate, replacing it can simplify life. After a burglary, see lock change after a break-in for the steps worth taking.
Matching the finish, style and handing
A replacement lock should look like it belongs on the door. Finishes matter more than people expect. Polished brass, satin nickel, oil-rubbed bronze, matte black and stainless all look different, and mixing them on a single entry looks careless. A technician can bring a few finish options or order the match. If you have existing hinges, a kick plate or a doorbell in a certain finish, say so, since they usually guide the choice.
Style comes next. A knob, a lever and a handleset with a thumb latch each work differently and feel different in the hand. Levers are easier for people with limited grip strength, and many people prefer them for accessibility. Knobs are traditional and compact. Handlesets are common on front doors in Orlando neighborhoods like Baldwin Park and Windermere. For people who want more detail, the guide on types of door locks compares the main types.
Handing is the direction a lever or handleset is designed to turn. A left-handed door and a right-handed door need different levers, since the lever should return to level and not droop. Some modern levers are reversible, which makes ordering simpler. A technician will check which way your door swings and which side the hinges are on before choosing. Getting handing wrong is a common reason a replacement looks slightly off or feels awkward.
Measuring the door before ordering
Replacement is much smoother when the new lock fits the existing preparations in the door. The key measurements are the door thickness, the size of the cross bore hole through the face of the door, the size of the edge bore hole for the latch and the backset. Backset is the distance from the edge of the door to the center of the cross bore, typically a standard value for residential doors, but older or custom doors vary.
If the existing holes match the new lock, installation is straightforward. If they do not, the technician may need an adapter, a different latch face or a modified plate. Drilling larger holes in the wrong place can weaken a door, and a hollow one is the most vulnerable. Metal and fiberglass doors often have limited tolerance. A technician will plan around that.
For commercial doors, the measurement set is longer. Mortise lock bodies come in several sizes, rim hardware depends on the mounting, and exit devices depend on door width and height. The page on mortise lock service and commercial locksmith service describe common arrangements. When in doubt, take clear photographs of the door edge, the faceplate and the existing lock before you call. They save a lot of back and forth.
What same-day replacement realistically means
The phrase same-day gets used a lot, and it deserves a straight explanation. Whether a replacement can be done on the same day depends on several things: whether the technician has the right lock on the truck, whether the door preparation matches, how many doors are involved and what else is going on in the schedule. A mobile locksmith carries a stock of common residential hardware, but not every finish, brand or size.
A standard single-cylinder deadbolt or entry lockset on a standard door is often straightforward. A mortise lock on a historic door, a high-security cylinder in a restricted keyway or a smart lock with a specific integration may need to be ordered. Nobody can promise an arrival time or a completion window in advance. The honest approach is to describe the situation by phone, learn what is likely available and agree on a plan.
If your door cannot be secured, say so right away. A lock that has been forced or a door that will not close needs a temporary solution first. A technician may be able to make the door secure with a replacement lock from the truck and arrange a matching set later. For emergencies that involve a threat or an intruder, call 911 first. For lockouts and urgent security problems, the page on emergency locksmith service explains how those calls work.
Choosing a replacement that fits your situation
Not every replacement needs to be an upgrade, but it is a fair moment to ask what you actually need. For a front door, a solid deadbolt with a reinforced strike is usually the core of security, paired with a lever or knob that matches the decor. For a side door, a keyed entry set with a deadbolt may be enough. For a back patio door, a sliding door lock or a secondary bar may do more than a new handle.
Think about how you live. A family with young children may want locks that are easy to operate from the inside but hard for small hands to defeat. An older household may want levers and larger thumb turns. A rental property may want keyed-alike locks or a key system that makes turnover simple. A snowbird property that sits empty for months may benefit from a keypad so that no one has to leave keys under a mat.
Consider the grade of the lock. Residential locks are rated in grades, with the strongest earning the highest ratings for strength and durability. The guide on deadbolt grades explains what the ratings mean. A technician can show options and describe trade-offs without pressure. You do not need the most expensive lock on the shelf, but you do want one that matches the door and the risk.
What happens during a replacement visit
The technician begins by looking at the old lock and the door. They check how the door closes, whether the frame is square and whether the strike lines up. They remove the old hardware carefully, measure the bores and confirm the fit with the new lock. Any damage to the door, such as splintered wood around the bore or a cracked frame near the strike, is pointed out before work continues.
Installation involves fitting the latch, mounting the lock body and attaching the interior and exterior trim. The technician tests the key from outside and the thumb turn or lever from inside. They run the bolt through its full range several times and check that it extends fully into the strike without rubbing. They also test the latch while pulling the door shut, to confirm that it engages every time.
When the new lock is working, the technician hands over the keys, explains any features and shows you how to use them. For smart locks and keypads, they walk through programming and how to change user entry numbers. You should test each key and each feature before they leave. Ask them to mark spare keys if you have several doors. If you have questions later, call. Quotes are given by phone, complicated jobs need an on-site look, and the call charge is explained before dispatch.
Upgrading the strike, screws and frame at the same time
A new lock on a weak frame is a missed opportunity. Most forced entries on residential doors do not defeat the lock itself. They split the door frame where the bolt sits. The usual cause is a short strike plate screwed into thin jamb wood. A longer set of screws that reach the stud, or a reinforced strike plate with a deeper box, makes a big difference at very little added effort.
While the old lock is off, a technician can inspect the door edge and the hinge side. Hinge screws should be long enough to reach framing, and hinge pins should not wobble. A door that sags will wear the new lock quickly. If the door has rot or swelling at the bottom, which is common on exterior doors exposed to rain, mention it. Some problems belong to a carpenter, but a locksmith can flag them.
The page on strike plate reinforcement discusses what a stronger strike involves, and door frame and hinge security goes through the rest of the door. If your replacement is part of a broader security review, ask for a short walk-through of the entry points, and keep the list handy for later improvements.
Replacing several locks at once
Many households and small businesses replace more than one lock in a single visit. A move into a new home, a change of tenants or a security review after a break-in often involves the front door, the back door, a garage entry door and sometimes a side gate. Doing them together has practical advantages. The technician can key every cylinder alike so one key opens every exterior door, or can set up separate keys where you want separation, such as a different key for a rental unit or a workshop.
Planning helps. Walk the property before you call and list each door, noting the type of lock now in place, the finish you prefer and whether the door is wood, steel or fiberglass. Mention doors that are used rarely, since those locks are often the most corroded. Decide which doors need a deadbolt and which are fine with a keyed knob or lever. Think about how many keys each person needs, and whether any should be restricted from duplication.
A visit with multiple doors takes longer, and the technician may want to see the property first, since the mix of door types can change the plan. That is a normal reason for an on-site look, and the service call charge is explained on the phone before anyone is sent. Once the plan is clear, quotes for the full set are given by phone.
Old locks, keys and what to keep
After a replacement, you may be left with old keys and an old lock. Treat them carefully. Old keys that no longer work with any lock in your possession should be destroyed or kept in a safe place if they have sentimental or historical value. Do not leave them with a landlord, a contractor or a neighbor, since they can be confused with working keys. If you are replacing a lock on a shared building, note who holds copies.
The old lock itself can often be recycled as scrap metal. If it was in good condition and you are upgrading for style, some people donate it. If it was damaged in a break-in, keep it until any report is complete, in case someone wants to examine it. A technician can tell you how to handle it.
Finally, record what was installed. Write down the brand, model, finish and date, and store the paperwork. If you ever need matching hardware, replacement keys or a new part, that information makes everything faster. When you are ready for a replacement or want to talk through the options, call. A short phone conversation will tell you whether a repair, a rekey or a replacement is the sensible next step.
Questions people ask
How do I know whether to repair or replace a lock?
If the lock is mostly sound and has a simple fault, such as a loose screw or a misaligned strike, repair makes sense. If it is worn, corroded, damaged in a break-in or repeatedly failing, replacement is usually wiser. A technician can inspect the lock, test it and explain which path fits. You should not feel pushed toward either one.
Can a lock really be replaced the same day?
Often it can when the technician carries a suitable lock for your door, but nobody can promise it in advance. Availability depends on the hardware, the door preparation and the schedule. Unusual finishes, mortise locks and high-security cylinders may need ordering. Describe your door by phone and the technician will tell you what is realistic.
Will the new lock match my other hardware?
It can, if you tell the technician about the finish and style you want to match. Take photos of existing hinges, handles and kick plates. Finishes from different makers vary slightly, so a perfect match is not always possible, but a close one usually is. Handing, meaning the lever direction, also needs to match the door.
Do I need to be home during a replacement?
Someone should be present, or give clear access and authorization. The technician needs to test the lock from both sides and hand over keys. For rental property or business doors, the person who authorizes the work should be reachable by phone. If you are not on site, say so when you call, so the visit can be planned properly.
Should I replace the strike plate as well?
It is worth considering. The strike plate takes the force when someone tries to kick a door in. A reinforced plate with long screws that reach the framing adds real strength at little extra effort. A technician can check the frame while the old lock is off and recommend what makes sense for your door.
How do I get a price for a replacement?
Quotes are given only by phone. Describe the door, the type of lock you have now, what you want and any damage you can see. Standard jobs can be quoted from that description. Complicated jobs need an on-site visit, and a service call charge applies, which is explained on the phone before any technician is dispatched.
Describe the situation by phone and we will tell you what the job involves. Quotes are given by phone. Jobs that cannot be quoted without seeing them need a technician on site, and the service call charge is explained on the phone before anyone is dispatched.
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Written by Claude (AI) (AI) for 24/7 Locksmith Orlando.