Moving Into a Melville Home: Should You Rekey or Replace the Locks?

When people ask how do you rekey a lock, they are usually picturing something far more complicated than it actually is. Rekeying does not involve swapping out the entire lock hardware. Instead, a skilled locksmith opens the lock cylinder and rearranges the small spring-loaded pins inside it. Those pins are what respond to the cuts on your key — change the pin configuration, and only a brand-new key will work. The old key becomes useless instantly. The lock body, the strike plate, and the door hardware all stay exactly where they are. It is a precise, internal procedure, and when done by an experienced professional it takes only a few minutes per cylinder.

Replacing a lock, on the other hand, means removing the entire lockset — the cylinder, the housing, the knob or lever — and installing a new unit from scratch. This is the right call when your existing hardware is worn, damaged, low quality, or simply not the grade of security you want going forward. If you are moving into a Melville home with builder-grade door knob locks that have been in service for fifteen years, replacement is often the smarter long-term investment. Both services have their place, and a qualified locksmith will assess your specific doors before recommending one over the other.

This is one of the most common questions new homeowners ask, and the honest answer is: almost any keyed lock can be rekeyed, but not every lock is worth rekeying. Standard pin tumbler locks — the mechanism inside most Schlage and Kwikset deadbolts and door knob locks — are straightforward to rekey. Mortise locks, which are the heavy-duty rectangular locksets recessed into the door edge (common on older Melville homes and commercial properties), can absolutely be rekeyed, though the process requires a trained hand familiar with that specific cylinder type. Mortise lock rekeying is a core service our team handles regularly, and it is worth knowing that these locks are often worth keeping because the hardware itself is exceptionally durable.

Where it gets more nuanced is with smart locks. Homeowners frequently ask: can you rekey a smart lock? The answer depends on the specific model. Many smart locks use traditional key cylinders as a backup, and those cylinders can be rekeyed just like any conventional lock. Others are keyless by design — meaning the concept of rekeying does not apply, but you can reset the access codes, delete old user profiles, and reprogram the unit entirely, which accomplishes the same security goal. A related question we hear often is whether you can rekey a smart lock without the original key — and yes, in most cases a professional can still service the cylinder or facilitate a reset, though the exact process varies by manufacturer. If you have a Yale smart lock specifically, can you rekey a Yale smart lock? Yes — Yale's backup cylinders are serviceable, and our team is experienced with them.

Not every door in your new Melville home uses the same type of lock, and that matters when planning your security update. A front door might have a mortise lock — recognizable by its large, rectangular metal case set into the door edge — while a side entry or interior door uses a simpler door knob lock. Deadbolts are often added as a second layer on top of knob locks. Each of these benefits from a slightly different approach. Mortise locks, for example, often have cylinders that require a locksmith with specific tools and experience to service correctly. Attempting a DIY rekey on a mortise lock without the right follower tool and plug follower is a reliable way to end up with a pile of springs and pins on your floor and a door that will not lock at all.

Our recommendation for new homeowners: have a professional assess every exterior entry point at once. This means the front door, the back door, the garage entry door, and any basement or side doors. You may find that some locks are worth rekeying, some need full replacement, and one or two might benefit from an upgrade to a higher-security mortise lock or a smart lock with audit-trail capability. Thinking about all of it at the same time saves you from calling multiple times and gives you a cohesive security plan rather than a patchwork of decisions made under pressure. If you would like that assessment scheduled today, call us at (631) 301-2229 — we answer around the clock.

Here is a scenario many new homeowners do not think about until they are standing at the hardware store: you want every exterior door in your home to open with a single key. Right now you have three different keys for three different doors, and the idea of juggling them all is already annoying. The good news is that yes, you can rekey a lock to match an existing key — this is called keying alike, and it is a standard service. A professional locksmith rekeys each lock cylinder so that all of them respond to one master key. It is a practical quality-of-life upgrade that costs no more than standard rekeying and eliminates a genuinely frustrating daily friction.

The only real limitation is compatibility. To key a group of locks alike, they generally need to use the same keyway — meaning the profile of the key blank must be identical across all cylinders. Schlage locks and Kwikset locks, for instance, use different keyways and cannot typically be keyed to match each other without replacing at least some of the cylinders. A skilled locksmith will identify your keyways on the spot and tell you exactly what is possible before any work begins. This kind of upfront clarity is something we take seriously — we confirm the exact scope and price before touching anything.

Rekeying is the right call in many situations, but there are clear signals that point toward full replacement instead. If the lock shows visible wear — a cylinder that wobbles, a deadbolt that requires lifting the handle to engage, a door knob lock that sticks or grinds — the internal components are likely worn to the point where rekeying will not restore reliable function. Similarly, if the existing locks are low-grade hardware (thin housings, lightweight cylinders, or grades that would not meet commercial locksmith standards), putting fresh pins in a compromised shell is a short-term fix at best. Melville homes built during certain decades sometimes have original hardware that has simply reached the end of its service life.

There is also the scenario where you simply want better security than what the previous owner installed. A solid mortise lock from a reputable manufacturer, properly fitted by an experienced locksmith, is a meaningful upgrade over a builder-grade knob set — both in pick resistance and in physical durability. Our team carries quality hardware and can walk you through your options on the spot. Whether it is a single front door deadbolt or a full exterior door package including a mortise lock and a smart lock, we size the job to your actual home and your actual security goals — not a one-size-fits-all checklist.

Melville sits in the heart of Suffolk County, and the housing stock here is genuinely varied — from mid-century colonials near the Melville Jewish Center area to newer construction closer to the Route 110 corridor. That variety means lock types vary widely too. Older homes often have mortise locks that are structurally excellent but need cylinder service; newer builds may have smart lock pre-wiring but generic deadbolts. Knowing which scenario you are walking into before the locksmith arrives means the visit goes faster and nothing gets missed.

One practical tip: gather any keys you were handed at closing — from the agent, the title company, the previous owner — and have them ready when the locksmith arrives. It confirms how many keyways are in use across the property and sometimes reveals duplicate keys you did not know about. From there, the process is straightforward: your locksmith assesses each lock, recommends rekey or replace, confirms an exact price upfront, and completes the work on-site. No second trip, no back-ordering parts for standard jobs. Pro Melville Locksmiths operates as a fully mobile, 24/7 service, which means we come to your door — including same-day appointments for new move-ins. Call (631) 301-2229 any time and we will get you taken care of.

We know that cost is a real consideration, especially right after a home purchase. We will never leave you guessing. The factors that go into any rekeying or lock replacement quote include the type and grade of lock hardware involved (a mortise lock cylinder service is more involved than a standard knob lock rekey), the number of locks being serviced, whether new hardware or parts are needed, the time of day the work is performed, and our travel distance to your address. Those variables are assessed before we begin — and you receive a confirmed, exact price upfront. No surprises added at the end, no ambiguous estimates. Our goal is for you to feel completely clear on what you are getting and what it will cost before a single pin is touched.