Locksmith Service

High-Security Lock Installation

When a New York City apartment door is all that stands between your home and a hallway shared by dozens of neighbors, the quality of your deadbolt matters enormously. Upper West Side residents — from pre-war co-ops on Riverside Drive to modern condos near Columbus Circle — increasingly trust Medeco and Mul-T-Lock deadbolts to deliver the kind of pick-resistance, drill-resistance, and key-control that standard hardware-store cylinders simply cannot provide. Our mobile locksmith team comes directly to your door, anywhere across the Upper West Side and surrounding Manhattan neighborhoods, to handle every step of the installation so you never have to haul hardware or guess at measurements.

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

Our technicians have handled hundreds of high-security deadbolt installations across New York, and they know the quirks that come with the territory: steel-reinforced door frames in newer buildings, the slim door profiles common in older brownstones, and the co-op board requirements that sometimes dictate specific lock grades. Whether you need a single deadbolt upgraded or a full door-lock installation across multiple entry points, we carry the tools and the expertise to do the job cleanly, without unnecessary damage to your door or frame. Call (646) 713-1358 any time — we answer 24/7.

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 New York, we reach the New York 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.

Why High-Security Lock Installation Is a Different Job Entirely

Swapping a standard deadbolt for a Medeco or Mul-T-Lock is not a drop-in replacement. Both brands engineer their cylinders to tighter tolerances than commodity locks, which means the mortise cutout, the strike-plate depth, and the backset alignment all need to be measured and, when necessary, adjusted before the new hardware seats correctly. A rushed installation that ignores these tolerances can leave micro-gaps that compromise the very pick and bump resistance you paid for. Our locksmiths arrive with calibrated drill guides, carbide-tipped bits, and brand-specific installation templates so that every deadbolt lock installation we complete holds to the manufacturer's specifications — and to your door's actual dimensions.

Medeco cylinders use a patented rotating-pin and sidebar mechanism that makes standard pick tools ineffective. Mul-T-Lock's telescoping-pin technology adds a second independent locking row, raising the pick-resistance even further. Both systems also enforce strict key control: keys cannot be duplicated at a hardware store or a kiosk; copies require either original authorization cards or direct contact with the manufacturer's distribution chain. For Upper West Side households with housekeepers, dog walkers, or short-term renters, that key-control feature alone is often worth the upgrade.

Why High-Security Lock Installation Is a Different Job Entirely — Upper West Side Locksmith NYC

What Our Door Lock Installation Service Covers, Start to Finish

A complete high-security lock installation from our team begins before we touch a single screw. We assess your existing door construction — solid core versus hollow core, wood versus steel-clad, inward versus outward swing — and confirm that the chosen Medeco or Mul-T-Lock model is appropriate for the door's thickness and hinge configuration. We also check the strike plate and the frame behind it, because a Grade-1 deadbolt paired with a flimsy strike plate is only as strong as the weakest component. Wherever we find a plate that is undersized or anchored by short screws, we replace it with a heavy-gauge steel plate secured by three-inch screws that reach the stud behind the jamb. This step alone dramatically increases kick-in resistance.

Once the mechanical work is complete, we test the bolt throw, the cylinder rotation, and the key action multiple times before we consider the job finished. We show you exactly how the authorization card system works for your new Medeco or Mul-T-Lock keys, explain how to request additional copies through the proper channels, and confirm that the door closes and latches smoothly. We also offer to install a door reinforcement kit or security pins on the hinge side if the inspection reveals vulnerability there. Our goal is a door that is measurably harder to defeat — not just a prettier cylinder in the same old setup.

High-Security Lock Installation for Residential and Commercial Properties

The need for top-tier lock security extends well beyond private apartments. Medical offices near the American Museum of Natural History, law firms tucked above storefronts on Broadway, and retail spaces around 72nd Street all handle sensitive records, controlled substances, or high-value inventory that a standard deadbolt does not adequately protect. Our commercial lock installation work follows the same rigorous fitting process we apply to residential jobs, with the added consideration of ADA-compliant hardware, fire-egress requirements, and multi-user key systems that let building managers track and revoke individual key authorizations without rekeying the entire building.

For businesses that need access logging or remote management alongside the mechanical security of a high-grade cylinder, we also handle smart lock installation on commercial doors — pairing a Mul-T-Lock or Medeco cylinder with an electronic override that meets both the security grade and the operational needs of a busy office or retail environment. A smart door lock installation in a commercial setting typically involves coordinating with building management, confirming power supply or battery backup, and programming user codes or credentials before we leave the site. We handle all of that on-site, the same day you call.

Our Full Range of Lock Installation and Security Services — Upper West Side Locksmith NYC

Pricing, Scheduling, and What to Expect When You Call

Every door lock installation quote we provide is specific to your situation. The factors that shape the final price include the lock model you have chosen or need us to recommend, the current condition of your door and frame, whether the existing bore and backset are compatible or need modification, the time of day you need service, and travel distance from our current location. Because we are a 24/7 mobile locksmith operation, we are available for late-night calls in a way that a traditional shop is not — and we are transparent about how after-hours timing factors into the quote. You will receive an exact price before any work begins, with no surprises added to the bill once we are done.

To schedule a high-security deadbolt installation or to ask which lock grade is right for your door, call (646) 713-1358 — we answer 24/7, every day of the year, including holidays. A trained, insured technician will come to your address on the Upper West Side or anywhere across the New York metro area, assess your door, and give you a clear recommendation and a firm up-front quote. There is no obligation to proceed until you are comfortable with every detail of the plan.

Our Full Range of Lock Installation and Security Services

Beyond Medeco and Mul-T-Lock deadbolts, our team provides a comprehensive range of door lock installation services to meet the full spectrum of residential and commercial security needs in New York. The following list reflects the actual scope of work we perform on a regular basis across the city.

Medeco deadbolt installation and fitting, Mul-T-Lock deadbolt installation and fitting, Schlage B-series deadbolt installation, Kwikset SmartKey deadbolt installation, Grade-1 ANSI-rated commercial deadbolt installation, mortise lock installation and replacement, cylindrical knob and lever lock installation, rim lock and surface-mounted deadbolt installation, smart lock installation for residential doors, smart door lock installation for commercial entries, keypad door lock installation, commercial keypad door lock installation and programming, electronic access control integration, door reinforcement plate and long-screw strike installation, door frame repair and reinforcement prior to lock fitting, multipoint locking system installation, patio and sliding door lock installation, mailbox lock replacement, padlock hasp and shackle installation, safe lock installation and combination changes, master key system design and installation, key-control system setup with restricted duplication keys, emergency lockout response with damage-free entry where possible, rekeying existing cylinders to a new key, intercom and buzzer system lock coordination, garage door lock and side-door deadbolt installation, window pin and sash lock installation, chain and surface bolt installation for secondary security, and post-installation security consultations to identify remaining vulnerabilities in your entry points.

Frequently asked questions

What makes Medeco and Mul-T-Lock deadbolts worth installing over standard locks?

Standard deadbolts use single-row pin stacks that can be manipulated with widely available tools. Medeco cylinders add a rotating-pin and sidebar mechanism that defeats conventional picks and bump keys, while Mul-T-Lock uses a telescoping double-pin system that raises the manipulation barrier even higher. Both brands also enforce key control, meaning copies of your key cannot be made without your written authorization — a critical advantage in a city like New York where keys pass through many hands over the years.

How long does a high-security deadbolt installation typically take?

For a door that is already properly bored and in good condition, a Medeco or Mul-T-Lock deadbolt installation usually takes between 45 minutes and 90 minutes. If the existing bore needs enlarging, the strike plate needs replacing, or the frame needs reinforcement work, plan for additional time. Our technician will assess the door on arrival and give you a realistic time estimate before starting.

Can you install these locks in a co-op or condo building on the Upper West Side?

Yes, and we do it regularly. Many Upper West Side co-op boards actually encourage or require high-grade deadbolts. We are familiar with the door types common in pre-war buildings along West End Avenue and Riverside Drive, including the narrow door profiles and metal-clad frames that require specific bore templates. If your building has rules about which hardware is permitted, let us know before we arrive and we will confirm the selected lock meets those requirements.

Do you offer smart lock installation alongside high-security mechanical deadbolts?

We do. Some clients want the pick-resistance of a Medeco or Mul-T-Lock cylinder combined with electronic access — a keypad, a mobile app, or a fob reader — on the same door. We can coordinate a smart lock installation that integrates both layers, so you get the mechanical security of a Grade-1 cylinder and the access management of a digital system. This is especially popular for short-term rental units and small commercial offices.

How is the price for a lock installation determined?

Several factors shape the final quote: the specific lock model being installed, the current condition and dimensions of your door and frame, whether additional work such as bore modification or frame reinforcement is needed, the time of day you need service, and travel distance to your location. We confirm an exact price with you before any work begins, so there are no unexpected additions to the final bill.

What should I do if I am locked out and think I need a new high-security lock right away?

Call us at (646) 713-1358. Our first priority is getting you back inside your home or business safely and without unnecessary damage to your door. Once you are inside, we can immediately assess the existing lock and discuss whether an upgrade to a Medeco or Mul-T-Lock deadbolt makes sense as the same-visit next step. Many of our clients in New York choose to upgrade right after a lockout, since that moment highlights exactly how vulnerable the old hardware was. We carry installation inventory on our mobile units so same-visit upgrades are frequently possible.

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

(646) 713-1358