Naperville PRO LOCKSMITHS
Call
Locksmith Service

Home Rekeying & Master Keying

Most Naperville homeowners have accumulated a small mountain of keys over the years — spare sets left with former housecleaners, copies handed to contractors during a renovation on Naper Boulevard, or old keys from before a home sale. Every unaccounted-for copy is a quiet security gap. Rekeying your locks closes those gaps without replacing your hardware, and setting up a master-key system goes one step further by letting you control multiple doors with a single key while still giving family members or trusted guests access to only the areas they need.

Call (630) 800-4563Get a fast quote

Open 24 hours, 7 days a week · Licensed, bonded & insured

Naperville Pro Locksmiths operates 24/7 across Naperville and the surrounding communities, sending trained and insured technicians directly to your door — no shop drop-off, no waiting around. Whether you just moved into a home near the Riverwalk, finished a rental turnover in the Hobson West neighborhood, or simply want to consolidate a confusing collection of keys, our mobile team can rekey every lock in your home, upgrade your mortise lock hardware, and configure a master-key hierarchy that fits exactly how your household operates.

What we do

Available 24/7

Day, night, weekends and holidays — a real local locksmith answers and rolls a fully-stocked van.

Fast local response

Based in Naperville, we reach the Naperville area in well under an hour.

Insured & background-checked

Vetted technicians, up-front pricing, and no surprise add-ons when we arrive.

Damage-free entry

We pick and bypass locks the right way, so most lockouts are solved without drilling anything.

01

Why Home Rekeying & Master Keying Is the Smart First Step After Any Change in Occupancy

Rekeying a lock means a skilled technician removes the cylinder, reconfigures the internal pin stack to a new depth sequence, and cuts a fresh key to match — all without touching the lock body itself. For most Naperville homes with standard door knob locks, deadbolts, or even a higher-security mortise lock, the process is precise, damage-free, and far quicker than a full lock replacement. The result is that every previously cut key becomes useless overnight. This is the most practical move after a change in roommates, the end of a lease, a relationship change, or a recent move into one of Naperville's older neighborhoods where the key history is simply unknown.

A master-key system layers additional logic on top of that rekeyed hardware. Each door gets its own unique change key that opens only that lock, while a single master key opens every door in the system. For a multi-story home with a separate guest suite, a finished basement with its own entrance off the driveway, or even an attached in-law unit, this kind of tiered access makes daily life genuinely simpler. Our technicians map out the access hierarchy with you before touching a single cylinder, confirming exactly who should reach which doors and building the key schedule around your actual routine — not a one-size-fits-all template.

Why Home Rekeying & Master Keying Is the Smart First Step After Any Change in Occupancy — Naperville Pro Locksmiths
02

Mortise Lock, Door Knob Lock & Deadbolt: Which Hardware Can Be Rekeyed or Mastered?

Most residential lock types are fully compatible with rekeying and master-key pinning, but the process varies by hardware, and that variation matters when you are budgeting for the job. A standard door knob lock or a keyed deadbolt on a Kwikset or Schlage keyway is straightforward — the cylinder pulls cleanly and the pinning change is efficient. A mortise lock, the heavier rectangular lock body that sits inside a pocket routed into the door edge — common on older Naperville homes built in the early 1900s near the downtown Historic District, as well as on high-end new construction — requires more careful handling because the cylinder is integrated into a multipoint mechanism. Our technicians are experienced specifically with mortise lock service, including cases where the existing hardware is a legacy brand with a non-standard keyway that needs a compatible cylinder sourced before pinning can begin.

Rim locks, tubular deadbolts, interconnected locksets, and even some smart-lock cylinders with removable cores can all be incorporated into a master-key system with the right planning. During every appointment, our mobile technician inspects each door before quoting, identifies the keyway families already present in your home, and recommends whether rekeying the existing cylinder, replacing just the cylinder, or installing new hardware altogether is the most practical path. This transparent assessment is part of every visit — we confirm an exact up-front price before any work begins, so there are no surprises at the end of the appointment.

Why Home Rekeying & Master Keying Is the Smart First Step After Any Change in Occupancy — Naperville Pro Locksmiths
03

How Our Mobile Home Rekeying & Master Keying Process Works, Start to Finish

When you call (000) 000-0000, a dispatcher collects the basics — your address, the number of locks involved, and any known hardware details — and routes the nearest available technician to you. Because we operate 24/7, that call can happen at 7 a.m. before you leave for work or at 11 p.m. after a security concern surfaces. The technician arrives in a fully stocked mobile unit, verifies ownership of the property, and walks through every exterior and interior lock with you. For a rekeying-only job on a typical four-door Naperville home, the appointment is efficient and contained to a single visit in most cases.

For master-key projects, the technician works from a written key schedule agreed upon before pinning begins. Each cylinder is pinned to its change key, then cross-pinned to accept the master. Every key is test-cut and verified in its lock on-site before the technician leaves. You receive all keys organized and labeled, along with a clear explanation of how to expand the system later if you add a lock — for example, if you install a new deadbolt on a backyard workshop or convert an interior door to keyed access. Our goal is to leave your home more secure and your key management genuinely simpler, not just different.

Why Home Rekeying & Master Keying Is the Smart First Step After Any Change in Occupancy — Naperville Pro Locksmiths
04

Local Naperville Context: When Residents Most Often Call for Rekeying and Master-Key Services

Naperville consistently ranks among the safest mid-size cities in Illinois, but that reputation is built partly on residents taking residential security seriously. The city's rapid development — from the dense downtown core near Washington Street to newer subdivisions along Route 59 — means a wide variety of housing stock, and older homes in particular often have a patchwork of lock hardware installed across different ownerships. Real estate transactions in neighborhoods like Cress Creek or Ashbury frequently close with the new owners inheriting multiple deadbolts, mortise lock sets, and door knob locks that may share key cuts with former owners, contractors, or property managers. A full home rekeying appointment is one of the most concrete steps a new Naperville homeowner can take in the first week after closing.

Rental property owners managing units near North Central College or along the Aurora Avenue corridor also rely on our rekeying service at every tenant turnover, using master-key systems to retain a property-manager key while providing each tenant their own change key for privacy. If a situation arises where immediate access is needed — a tenant locked out late at night, a property manager responding to a maintenance emergency — our 24/7 availability means a trained, insured technician is reachable at any hour. Call (000) 000-0000 any time to schedule or to get an immediate response.

Why Home Rekeying & Master Keying Is the Smart First Step After Any Change in Occupancy — Naperville Pro Locksmiths

Frequently asked questions

What is a locksmith call out fee and how does it affect my rekeying quote?

A call out fee, sometimes called a service call or dispatch fee, covers the cost of sending a mobile technician to your location — the fuel, time in transit, and the overhead of operating a fully equipped vehicle. For home rekeying and master-key appointments in Naperville, the final price is shaped by several factors: the number and type of locks involved (a mortise lock requires more labor than a standard door knob lock), the time of day since 24/7 availability means overnight and weekend calls carry different considerations, your distance from our nearest technician, and any parts required such as new cylinders or key blanks. We confirm an exact price before starting any work, so you know the full total — including all fees — before a single pin is touched.

Is there a locksmith in Naperville, Illinois who can handle both rekeying and master-key setup in one visit?

Yes — that is precisely what Naperville Pro Locksmiths does. Our mobile technicians carry the cylinders, pinning kits, and key-cutting equipment needed to complete both a full rekeying and a master-key configuration during a single appointment at your home. We serve Naperville and the surrounding area 24 hours a day, seven days a week, so scheduling works around your availability rather than ours. Call (000) 000-0000 and we will dispatch a trained, insured technician directly to your address.

Do you need a license to be a locksmith in Illinois?

Illinois does not currently have a statewide licensing requirement specifically for locksmiths, unlike some other states with formal locksmith licensing boards. However, that does not mean all providers operate at the same standard. Our technicians are trained professionals with hands-on experience across residential, commercial, and automotive work — including specialty hardware like mortise lock sets and high-security cylinders. We are insured, and we verify property ownership before performing any work, which protects both our clients and the integrity of the service. When choosing who to trust with your home's security, ask about training, insurance, and verification practices rather than relying on a license number alone.

Can a locksmith reprogram my key fob or is that only a dealer service?

Many key fobs — particularly those for domestic vehicles and a growing number of foreign makes — can be programmed by a qualified automotive locksmith without a dealership visit. Our mobile team handles key fob programming, transponder chip key cutting, and push-to-start proximity key services for a wide range of vehicles right in your driveway or parking lot. The feasibility and the cost factors depend on your vehicle's make, model, year, and the type of immobilizer system it uses. Call (000) 000-0000 to describe your vehicle and we will tell you exactly what is possible before you commit to an appointment.

Who is the cheapest locksmith, and should price be my main criterion for a rekeying job?

We understand that price matters, and we work to make our quoting process as transparent as possible — confirming an exact, all-in figure before any work begins, with no hidden fees added after the fact. That said, we would encourage any homeowner to weigh price alongside verification practices, insurance coverage, and the technician's specific experience with their hardware. A rekeying or master-key job performed incorrectly can leave cylinders binding, master keys failing under certain conditions, or — in the case of a mortise lock — damage to the lock body that costs significantly more to correct than the original job. Our technicians are trained, insured, and work damage-free wherever the hardware allows.

What is the difference between rekeying and replacing a lock, and which do I actually need?

Rekeying reconfigures the internal pin tumblers of your existing cylinder so that old keys no longer work and a new key is cut to the updated pin sequence — the lock body, the door prep, and the hardware finish all stay exactly as they are. Lock replacement means removing the entire lock assembly and installing new hardware, which makes sense when the existing lock is worn, damaged, the wrong security grade for the door, or when you want to upgrade from a basic door knob lock to a higher-rated deadbolt or mortise lock. During every appointment, our technician inspects your current hardware and gives you an honest assessment of which option fits your security goals and budget, with pricing confirmed before any work begins.

Locked out or need a lock fixed? We are on the way.

Open 24 hours, 7 days a week · Insured, background-checked technicians · Up-front pricing

(630) 800-4563