Deadbolt Installation
Most exterior doors in Closter — whether on the tree-lined streets of Piermont Road, the older colonials near Closter Dock Road, or the newer construction off Harrington Avenue — were built with standard knob locks that offer surprisingly little resistance to forced entry. A properly installed deadbolt changes that equation completely, adding a hardened steel bolt that extends deep into the door frame and resists both kick-in attempts and shimming. At Closter Locksmith, we install and upgrade deadbolts on exterior doors across the Closter area every day, bringing the hardware and expertise directly to your home — no appointment at a store, no waiting.
Open 24 hours, 7 days a week · Licensed, bonded & insured

Whether you're a first-time homeowner who just moved in and wants to replace the builder-grade hardware, or a long-time resident whose lock is showing its age, our team handles the full job on-site. We stock a range of high-quality deadbolts — including Schlage, Kwikset, and Medeco — and we'll help you choose the right grade for your door thickness, frame material, and security goals before we turn a single screw. Every technician on our crew is trained, insured, and experienced with both new deadbolt installation and retrofit upgrades on existing door prep.
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 Closter, we reach the Closter 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 Deadbolt Installation Matters More Than the Lock You Buy
A Grade 1 deadbolt from a reputable brand is only as good as the installation behind it. A bolt installed without proper strike plate alignment, without reinforced screws reaching into the stud rather than just the door jamb, or without the correct backset measurement for your specific door will fail under pressure — regardless of the brand name on the faceplate. This is the gap that professional locksmith deadbolt installation fills. Our technicians verify door and frame condition before they start, check for square alignment, use 3-inch security screws in every strike plate, and test the bolt throw and alignment after installation so the lock operates smoothly for years.
We also assess whether your existing door prep — the bored hole pattern left by the previous lock — is compatible with your chosen deadbolt, or whether it needs to be adjusted. Many big-box store deadbolts assume a standard 2-1/8" bore with a specific backset, and older Closter homes sometimes have non-standard configurations. Catching this before cutting means we protect your door and avoid costly rework.
Types of Deadbolts We Install and Upgrade
Single-cylinder deadbolts are the most common choice for exterior doors — a keyed exterior side and a thumb-turn on the interior. We install these in standard and high-security versions, including Schlage B60N and B62N series and Kwikset 980 models with SmartKey re-key capability. For doors with glass panels near the lock, a double-cylinder deadbolt (keyed on both sides) adds security but requires careful consideration of egress safety — we'll walk you through that trade-off honestly before recommending one.
We also specialize in jimmy proof deadbolt installation, which is particularly well-suited to apartment entry doors, steel security doors, and any door where the hinge side is exposed or surface-mounting is preferred. Unlike a traditional mortised or bored deadbolt, a jimmy proof lock interlocks with a rim strike so that the bolt cannot be pried sideways, making it a strong choice for Closter rental units or accessory dwelling units. Beyond those categories, we install smart deadbolts (Schlage Encode, Kwikset Halo), keypad deadbolts for households that prefer code entry, and high-security cylinders with restricted keyways for clients who want to control key duplication tightly.
What the Deadbolt Installation Process Looks Like On Your Door
When you call us, a trained technician comes directly to your address — we're a fully mobile locksmith service, so you never have to remove your door or transport hardware anywhere. We start with a quick door assessment: measuring backset, checking door thickness (typically 1-3/8" to 1-3/4" for residential exterior doors), confirming frame condition, and identifying any underlying issues like a warped frame or an existing deadbolt that has stripped the wood. If we find something that affects the job, we tell you before we start work, not after.
The installation itself is done with precision boring guides and professional drill equipment to keep the cut clean and centered — damage-free where the door and frame allow it. We seat the deadbolt body, install the strike plate with long structural screws, and test the full bolt throw (typically 1" for a Grade 1 deadbolt) to confirm it engages correctly. We also check that the door closes and latches properly after installation, since adding a deadbolt can sometimes reveal a pre-existing alignment issue that was masked by the old hardware. Before we leave, we hand you the keys, walk you through the lock's operation, and confirm everything works from both sides. Call (201) 581-7983 — we answer 24/7 — if you want to schedule a same-day installation or have questions before we arrive.
Pricing Factors and Getting an Honest Quote for Deadbolt Installation Near Me
We don't publish set prices because the honest answer is that no two jobs are identical. The final cost of deadbolt installation near your Closter home depends on several specific factors: the type and grade of deadbolt you choose (a standard single-cylinder costs less than a high-security smart lock with a restricted cylinder), the condition of your existing door prep (a clean bore is faster than one that needs adjustment), the time of day (after-hours and weekend calls carry a service premium), and travel distance if the job is at a location on the outer edges of our service area. Parts cost is also a variable — if you already have the deadbolt in hand, that changes the quote.
What we guarantee is that you'll receive an exact, confirmed price before any work begins. No surprise charges added at the end, no labor fees that weren't mentioned upfront. Our technicians are trained to assess the job quickly and give you a clear number so you can decide without pressure. If you're upgrading multiple exterior doors at once — common for clients who are re-keying a whole home after moving in — we'll factor that into the quote as a single visit. Ready to get a firm number? Call (201) 581-7983 any time, day or night.
Frequently asked questions
Answers to what our customers ask most. Still unsure? Just call.
Can you install a deadbolt on my door the same day I call?+
Yes. Because we operate as a 24/7 mobile locksmith, a technician can typically reach most Closter addresses within a short window after your call. We carry common Schlage and Kwikset deadbolt models in our service vehicles, so for standard installations we often don't need a separate supply run. If you have a specific smart lock or high-security model in mind, let us know when you call and we'll confirm availability.
My front door already has a hole bored for a deadbolt — can you just drop in a new lock?+
In most cases, yes. If the existing bore is a standard 2-1/8" diameter with a matching backset (either 2-3/8" or 2-3/4"), we can install a new deadbolt directly. Older doors in Closter's historic homes sometimes have non-standard prep or a damaged bore from a previous lock. Our technician will measure before starting and let you know if any adjustment is needed — there's no charge for the assessment.
What's the difference between a jimmy proof deadbolt and a regular deadbolt — which one do I need?+
A conventional deadbolt is installed through the door body, with a bolt that shoots horizontally into a strike plate in the frame. A jimmy proof deadbolt mounts on the surface of the door and uses an interlocking rim strike — the bolt wraps around the strike rather than sliding into it, which makes it nearly impossible to pry apart laterally. Jimmy proof deadbolt installation is typically the right choice for apartment doors, steel security doors, or any door where the frame geometry doesn't support a standard through-bore. Our technicians can assess your specific door and recommend the better option for your situation.
Will installing a deadbolt damage my door?+
When installed correctly with the right boring guides and drill bits, a deadbolt installation does not damage a sound door. The risk of damage comes from improper technique — off-center bores, over-driving screws into soft wood, or forcing a lock body that doesn't fit the prep. Our trained technicians use professional-grade tools and take measurements before cutting to keep the process clean and precise. If your door has pre-existing damage — cracks, rot near the lock area, or a frame that's out of square — we'll point that out before starting so you can make an informed decision.
Can I supply my own deadbolt and have you install it?+
Absolutely. If you've already purchased a Schlage, Kwikset, Medeco, or another brand you prefer, we're happy to install it. Just have the packaging available so our technician can confirm the specifications before starting. Keep in mind that some smart locks require specific door thicknesses or backset measurements, and our technician will verify compatibility on arrival. Parts you supply affect the overall quote, which we'll confirm with you upfront.
Do you install deadbolts on both the front door and back door in the same visit?+
Yes, and it's one of the most efficient ways to secure a home. Many Closter homeowners who are re-keying or re-securing after a move take advantage of a single visit to upgrade every exterior door — front, back, side entry, and garage access door — in one appointment. We bring enough hardware for multiple doors and can key all new deadbolts to match a single key if that's your preference, so you're not carrying a separate key for every door.