Door Knob & Deadbolt Installation

Not every lock fits every door, and in New York that mismatch happens more often than people expect. Standard cylindrical door knob locks work well for interior doors and light-duty entry points, but a hollow-core or thin-stile door will never perform like a solid-core door properly fitted with a grade-appropriate lock. For exterior residential doors — especially in high-foot-traffic neighborhoods like Astoria, Washington Heights, or the East Village — we typically recommend pairing a keyed door knob with lock and a separate single-cylinder or double-cylinder deadbolt for layered protection. The deadbolt resists kick-in and lock-picking attempts that a knob alone simply cannot withstand.

The gold standard for many New York properties, particularly in older buildings with thick wooden doors, is the mortise lock. A mortise lock is a multi-bolt mechanism set into a recessed pocket (the mortise) cut into the door edge. It combines a latch bolt, a deadbolt, and often a secondary bolt in one housing — inherently stronger than a surface-mounted cylindrical lock. Our technicians are experienced in mortise lock installation and repair across all door thicknesses and profiles, including the antique iron-body mortise cases found throughout Brooklyn Heights and the West Village. If you're unsure which system is right for your door, call (646) 736-2918 — we answer 24/7 and can advise before we even arrive.

Modern lock selection has expanded well beyond the classic keyed knob. Here is a representative — though not exhaustive — list of the specific installation and repair services our mobile technicians provide across the New York area: (1) Standard keyed cylindrical door knob lock installation; (2) Passage knob installation for non-locking interior doors; (3) Privacy knob installation for bathrooms and bedrooms; (4) Door knob with lock for bedroom — push-button or turn-button privacy sets; (5) Keyed-alike rekeying for multiple knobs on one property; (6) Single-cylinder deadbolt installation; (7) Double-cylinder deadbolt installation (keyed both sides); (8) Double lock door knob combo sets — matched knob-and-deadbolt in a single finish; (9) Mortise lock installation on wooden and metal doors; (10) Mortise lock cylinder replacement and rekeying; (11) Mortise lock case repair and lever handle replacement; (12) Smart lock door knob installation — Wi-Fi and Z-Wave enabled models; (13) Keypad lock door knob installation and programming; (14) Bluetooth-enabled deadbolt installation; (15) Electronic strike installation for apartment intercoms; (16) High-security cylinder upgrades (anti-pick, anti-drill pins); (17) Reinforced strike plate and security box installation; (18) Door alignment and latch adjustment when a knob or bolt won't seat correctly; (19) Broken key extraction from knob cylinders and deadbolts; (20) Lock replacement after a break-in or forced entry; (21) Commercial locksmith services — office and retail door knob and deadbolt systems; (22) Panic-bar and push-bar hardware installation; (23) Multipoint lock installation on steel security doors; (24) Master key system setup for landlords and building managers; (25) Access control integration — keypad and fob entry paired with mortise hardware; (26) Emergency locksmith response for lockouts and damaged locks.

Whether you need a basic door knob with lock swapped out in a Queens walk-up or a full mortise lock overhaul on a Tribeca loft's steel entry door, our team carries the parts and the know-how to complete the job the same day you call. We work with hardware from manufacturers including Schlage, Kwikset, Medeco, Baldwin, and Mul-T-Lock, and we can advise on which product grade is appropriate for your specific security risk and door construction.

Getting locked out of your apartment at midnight on a Tuesday is a New York rite of passage — but that doesn't make it any less stressful. Before calling anyone, run through the quick mental checklist: Is there a spare key with a neighbor, a building super, or a family member nearby? Is there another unlocked entrance — a back door, a ground-floor window you can access safely? If the answer to both is no, stop there. We strongly advise against attempting to pick or bypass your own lock. Beyond the obvious risk of damaging the lock cylinder or door finish, improvised entry attempts can strip internal components, making a simple lockout into an expensive repair. Searching online for 'how to pick a door knob lock' or 'how to pick a lock door knob' may surface tutorials, but applying those techniques without professional training causes far more harm than good — and in a rental unit, you may be liable for the damage.

The right move is to call a professional emergency locksmith. Our mobile technicians reach most Manhattan, Brooklyn, Queens, and Bronx addresses quickly — often faster than the time it would take to track down a building super in the middle of the night. We verify ownership or occupancy before we begin any work (a standard and important step), then open the door using professional non-destructive methods wherever possible. If the lock is damaged beyond saving, we carry replacement hardware on the van and can install a new lock immediately. Call (646) 736-2918 — we answer 24/7, and a real person picks up, not a voicemail.

One of the most common questions we hear — and one that gets a lot of confusing answers online — is: 'How much does an NYC locksmith cost?' or 'What is the average call-out fee for a locksmith?' The honest answer is that no responsible locksmith can quote a meaningful price without knowing the specifics of your job. The factors that shape a final quote include: the type of lock being installed or repaired (a basic cylindrical door knob lock costs differently to service than a commercial-grade mortise lock); the make and finish of the hardware you've chosen or need us to supply; the time of day, since emergency locksmith response outside business hours requires our team to mobilize around the clock; travel distance within the New York metro area; and whether additional parts — reinforced strike plates, new cylinders, smart lock modules — are needed. Asking 'How much should an emergency locksmith cost?' or 'How much does an emergency locksmith cost near me?' is understandable, but any company quoting a flat rate sight-unseen should raise a flag.

What we commit to is transparency: before any technician touches your door, we confirm an exact up-front price and get your agreement. No mid-job surprises, no add-ons that weren't discussed. For those wondering 'How much does a local locksmith charge?' — the answer varies by job complexity, and we're happy to walk you through what's driving the estimate when we arrive. Similarly, the question 'Does NY require a locksmith license?' reflects a real public concern about unqualified operators. New York State has specific regulations governing locksmith businesses, and our team operates as a fully insured, professional operation — trained to industry standards and accountable to our customers and to the city we work in every day.