Residential Door Lock Installation
Brooklyn homes come in every configuration imaginable — from the century-old brownstones lining Prospect Park West to the converted warehouse lofts in Bushwick and the attached row houses stretching across Bay Ridge. Each of those doors presents a unique lock challenge: a vintage mortise lock original to the building, a modern cylindrical deadbolt, a sliding patio door, or a brand-new smart lock a homeowner just ordered online. Broadway Locksmith and Automotive Corp handles all of them with precision, coming directly to your address anywhere in Brooklyn as a fully mobile, insured locksmith service.
Open 24 hours, 7 days a week · Licensed, bonded & insured
“When you need a new lock installation for a home door — whether you just moved into a Flatbush two-family, had a key go missing, or simply want to upgrade from an old knob lock to something more secure — the right technician makes all the difference. Our trained, experienced locksmiths arrive equipped with professional-grade tools and a wide inventory of quality hardware, so most jobs are completed in a single visit with no unnecessary damage to your door or frame. We answer calls 24 hours a day, 7 days a week, at (347) 429-8668.
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 Brooklyn, we reach the Brooklyn 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.
Residential Door Lock Installation Across Every Brooklyn Home Type
Brooklyn's housing stock is genuinely one of the most varied in all of New York City, and that variety shows up the moment a technician looks at a door. A pre-war apartment building near Atlantic Avenue might have a heavy mortise lock body recessed into a thick wood stile — a completely different installation than the bored cylindrical deadbolt on a newer condo door in Downtown Brooklyn. Mortise lock installation and service is one of our core specialties: we carry the hardware, understand the geometry, and know how to fit a replacement mortise lock into an existing pocket without widening the cutout unnecessarily. Whether the mortise case needs a full replacement, a new cylinder, or a lever trim swap, we handle the complete job on site.
Beyond the classic mortise door lock, we install and change out cylindrical deadbolts, door knob locks, double-cylinder locks for glass-panel doors, rim locks, multipoint locking systems, and surface-mounted auxiliary locks. If you've been wondering how to change a door lock yourself but realized the old hardware doesn't match standard prep dimensions — or the door is metal-clad — that's exactly the moment to hand it off to a professional who carries the right tools and parts in the vehicle. A botched DIY installation on a Brooklyn brownstone door can leave gaps in the latch geometry that compromise security even if the lock technically turns, so getting it done right the first time matters.
Smart Lock Installation and Keypad Upgrades for Brooklyn Homes
Demand for smart lock installation has grown steadily in Brooklyn neighborhoods where short-term rentals, home offices, and multi-unit arrangements are common. A keypad or app-controlled lock lets a homeowner grant timed access to a dog walker, a contractor, or a family member without cutting a physical key — which is genuinely useful when you live in Crown Heights or Bed-Stuy and manage a rental unit on the same property. Our technicians install a full range of smart locks including keypad deadbolts, fingerprint-enabled models, Z-Wave and Zigbee-compatible locks, and Bluetooth app-operated locks from trusted hardware brands.
One question we hear often: how to change code on keypad door lock after a tenant moves out, or how to change door lock code when a code has been shared too widely. While the exact button sequence differs by brand and model, our technician will walk you through the reset and programming process on your specific lock before leaving — so you're not staring at a manual at midnight. If the lock has a factory default code that was never changed, we'll flag that as a security risk and help you set a strong, unique code on the spot. Smart lock installation pricing depends on the lock model supplied, any door-prep modification required, and travel to your location; we confirm an exact up-front price before a single screw is turned.
Sliding Door Lock Replacement and Specialty Door Hardware
Sliding glass doors are one of the most frequently overlooked security weak points in Brooklyn homes and garden apartments — particularly in ground-floor units in neighborhoods like Canarsie, Sheepshead Bay, and Marine Park where patio access is common. Standard sliding door factory latches wear out quickly, and a worn latch offers surprisingly little resistance. Sliding door lock replacement is a service we perform regularly: we assess the door frame condition, identify the correct latch or lock format for your specific door manufacturer's track system, and install a replacement that actually engages the frame solidly.
Beyond simple latch swaps, we also install secondary blocking bars, double-bolt sliding door locks, and key-locking Charlie bars for homeowners who want layered protection on a rear-facing door. Multi-panel sliding doors and French door configurations each have their own hardware requirements, and our mobile unit carries a broad selection so we rarely need a second trip. If your patio door also needs a new cylinder for a keyed exterior lock, we handle that as part of the same visit. Every sliding door lock replacement we perform is done with attention to the door frame condition — if the frame is damaged and affecting lock performance, we'll tell you before the work begins rather than after.
What Goes Into the Cost of a Door Lock Installation — and When to Call Us
A lot of Brooklyn homeowners search for what a locksmith charges and end up with figures that don't reflect their actual situation. The honest answer is that the final price for a door lock installation depends on several distinct factors: the type of lock being installed (a mortise lock installation involves more labor than swapping a standard deadbolt), whether the door needs any prep work or drilling, the hardware itself if we're supplying it, the time of day you call, and travel distance to your address. A late-night call to a Fort Hamilton address after a break-in attempt is a different job than a planned mid-afternoon deadbolt upgrade in Park Slope — and we price them accordingly. What we commit to in every case is confirming an exact, up-front quote before any work begins, so there are no surprises on the invoice.
If you're dealing with an urgent situation — a damaged lock after a forced entry attempt, a key broken in the cylinder, or a door that won't fully close and latch — our 24/7 availability means you can reach a trained technician any hour. Brooklyn doesn't slow down at 2 a.m., and neither do we. Emergency availability is part of our standard service, not an upsell. Whether you need one lock changed or an entire building's entry hardware replaced, call (347) 429-8668 and we'll give you a clear picture of the job and the cost before we start. Our insured, mobile team comes to you — no drop-off, no waiting, no guesswork.
Our Full Range of Residential Lock Services in Brooklyn
Broadway Locksmith and Automotive Corp provides the following specific residential lock services throughout Brooklyn: new deadbolt installation, mortise lock installation and replacement, mortise lock cylinder re-keying, door knob lock installation and replacement, smart lock installation (keypad, Bluetooth, Z-Wave, fingerprint), sliding door lock replacement, double-cylinder deadbolt installation for glass-panel doors, rim lock installation, surface-mounted auxiliary lock installation, multipoint locking system installation, French door lock installation, lock re-keying (matched to existing keys), master key system setup for multi-unit buildings, mailbox lock replacement, gate lock installation, padlock hasp installation, security door reinforcement plate installation, door viewer (peephole) installation, chain guard and door chain installation, strike plate upgrade and reinforcement, door latch repair and replacement, broken key extraction and lock cylinder replacement, lost key lock change service, keypad code reprogramming, and emergency lock change following break-in or eviction. Each of these services is performed on-site by our mobile team — we come to your Brooklyn address fully equipped.
Recognizing Real Lock Expertise — What a Professional Locksmith Actually Does
People sometimes ask: what does a locksmith do, exactly, and what is the meaning of locksmith as a trade? At its core, a locksmith is a trained specialist in the mechanics of locks and access hardware — someone who understands how pins, wafers, cams, and bolts interact, how to diagnose a failure, and how to install or replace hardware so it performs correctly over years of use. That's meaningfully different from a general handyman installing a lock by following the box instructions. A skilled locksmith can look at a door and immediately spot whether the existing mortise lock pocket will accept a direct replacement or needs shimming, whether the strike plate alignment is causing premature wear, or whether a smart lock's door prep is off-center enough to cause the bolt to bind.
For Brooklyn homeowners specifically, the value of that expertise shows up most clearly in older buildings. A 1920s Prospect Heights brownstone might have a door thickness and stile width that doesn't match any off-the-shelf hardware without modification. A skilled locksmith brings that modification capability — specialty drilling jigs, the right chisels for mortise pockets, the experience to work on a door that is part of a landmark-adjacent building without causing cosmetic damage. That's what separates a trained, insured professional from a general contractor doing a locksmith's job.
Why Brooklyn Homeowners Count on Broadway Locksmith
Being a genuinely local, mobile locksmith operation in Brooklyn means our technicians know the streets — the narrow one-ways in Red Hook, the parking constraints near the Barclays Center, the building entry quirks common to Flatbush garden apartments. We don't dispatch from a distant call center. When you call (347) 429-8668, you reach our team directly, and we give you an honest ETA based on real current location, not an optimistic estimate. Our insured technicians bring a fully stocked mobile unit, which means the hardware for a mortise lock, a smart lock, or a sliding door lock replacement is likely already in the van — not ordered and shipped later.
We serve every corner of Brooklyn: from Greenpoint and Williamsburg in the north to Coney Island and Brighton Beach along the southern shore, and every neighborhood in between. Whether you're a longtime homeowner in Borough Park or just moved into a new rental in Prospect Lefferts Gardens, residential door lock installation done correctly and completely on the first visit is what we're built to deliver.
Who Is the Best Locksmith Brooklyn NY — and How to Choose Well
The question of who is the best locksmith in Brooklyn NY is one that every homeowner navigating a stressful lock situation asks — and the honest answer isn't a brand name, it's a set of criteria. You want a technician who arrives when promised, explains the job before starting, quotes a clear price upfront, uses quality hardware, and leaves the door in better condition than they found it. You want someone insured, operating a mobile unit that's actually stocked, and reachable at any hour. Broadway Locksmith and Automotive Corp meets all of those criteria and has built its reputation in Brooklyn doing exactly this kind of work, day and night, across every type of residential door.
Frequently asked questions
How to change a door lock on a Brooklyn brownstone with an old mortise lock?+
Older Brooklyn brownstones often have mortise locks that are significantly deeper and wider than modern cylindrical hardware. Replacing one correctly requires measuring the existing mortise pocket precisely, sourcing a replacement mortise lock case that fits without major frame modification, and aligning the new cylinder and trim to the door's existing bore. If the pocket needs to be extended even slightly, that work must be done carefully to avoid weakening the door stile. Our trained technicians carry mortise lock inventory specifically for these older door types and can assess and complete the job in a single visit. Call (347) 429-8668 to schedule.
How to change code on a keypad door lock after a tenant or guest moves out?+
The exact process for changing a keypad door lock code depends on the brand and model of your lock — most require you to enter a current master code, press a programming button, then enter and confirm the new code. Some models require a physical key override or a small reset button inside the battery compartment to clear all user codes at once. Rather than risk a programming error that locks you out of the management menu, our technician can handle the full reset, verify the new code functions on both the inside and outside, and confirm that no old codes remain active. We also help with understanding how to change the door lock code on smart locks controlled via an app, since cloud-synced models have a slightly different reset flow than locally-programmed keypads.
What factors determine how much a residential door lock installation costs?+
Several variables shape the final price: the type of lock being installed (a mortise lock installation involves more disassembly and fitting than a standard deadbolt swap), whether the door requires any preparation work such as drilling, chiseling, or strike plate reinforcement, whether you're supplying the hardware or having us supply it, the time of day the work is performed, and travel distance to your Brooklyn address. Emergency calls late at night or on holidays reflect those circumstances in the pricing. What we commit to in every case is providing you with a complete, confirmed price before any work starts — no surprises after the job is done.
Is smart lock installation difficult on an existing Brooklyn apartment door?+
Smart lock installation on an existing door is straightforward in most cases — the majority of smart deadbolts are designed to replace a standard deadbolt using the same door prep, requiring only a screwdriver and about 20 to 30 minutes. The complications arise when the existing door prep doesn't match (wrong backset distance, non-standard door thickness, or a door that already has a mortise lock), when the door frame has alignment issues that cause the bolt to bind, or when the homeowner wants a specific model that requires additional wiring or hub integration. Our technician evaluates the door before starting, confirms the lock is the right fit, handles any prep adjustments, and programs the initial codes or app pairing before leaving.
When should I replace a sliding door lock versus just repairing it?+
Sliding door lock replacement is the right call when the latch mechanism no longer engages the strike fully, when the lock housing is cracked or corroded, when the key cylinder has been damaged or compromised, or when the door's security has been a concern after an attempted entry. Simple latch adjustments or lubrication can sometimes restore function on a lock that's merely sticky or slow, but a latch that doesn't fully catch the strike frame is a security failure, not just an inconvenience. Our technician can evaluate the existing hardware on-site and recommend repair versus replacement based on what they find — and we carry common sliding door lock formats in our mobile unit for same-visit replacement.
Do you install locks on all Brooklyn home door types, including metal and fire doors?+
Yes. We work on wood doors, steel doors, fiberglass doors, aluminum-frame sliding doors, and fire-rated entry doors found in multi-family buildings throughout Brooklyn. Each door material has specific hardware compatibility requirements — for example, a hollow metal door requires a lock with the correct chassis depth and may need reinforcing hardware at the strike location to prevent pull-through. Fire doors in apartment buildings must maintain their fire-rating after any lock installation, which means using hardware approved for that application and not modifying the door in ways that compromise the seal. Our technicians understand these distinctions and will flag any compliance considerations before proceeding with the installation.