Deadbolt & Door Knob Lock Installation
If you have ever stood outside your front door on a sweltering Columbia, SC evening — keys inside, deadbolt laughing at you — you already know that the right lock hardware matters as much as the locksmith you call. Whether you are moving into a new home off Devine Street, upgrading the knob lock on a rental near the University of South Carolina, or reinforcing the entry points of a commercial suite on Main Street, the quality and correct installation of every deadbolt and door knob lock you choose directly determines how secure your property actually is.
Open 24 hours, 7 days a week · Licensed, bonded & insured
“Mike Columbia Locksmith is a 24/7 mobile locksmith operation, which means our trained, insured technicians come directly to you — no storefront drop-off, no waiting around. We install, upgrade, and service deadbolts, knob locks, mortise lock assemblies, and smart lock systems across the Columbia area seven days a week, day or night. If security is the goal, a proper deadbolt and door knob lock installation is where it starts.
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 Columbia, we reach the Columbia 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 and Door Knob Lock Installation Is Worth Doing Right
A door knob with lock alone is rarely sufficient as a primary security layer. The internal latch mechanism on a standard knob lock can be compromised with surprisingly little force, which is exactly why security professionals recommend pairing every entry door with a quality single- or double-cylinder deadbolt. When both are installed correctly — with the bolt extending a full inch into a reinforced strike plate — you create a system that is dramatically more resistant to kick-in attacks, a common method used in residential break-ins across South Carolina. Skipping the deadbolt or installing it without the correct door prep and strike box is one of the most frequent security mistakes we see in older Columbia neighborhoods like Shandon and Earlewood.
Upgrading existing hardware is just as important as new installation. Locks wear down, cylinders get sticky, and older keyways are easy to duplicate at any hardware store. A fresh door lock installation from our team means properly sized hardware matched to your door thickness, accurate bore alignment so the latch and deadbolt operate smoothly, and a strike plate anchored with three-inch screws that reach the door frame stud rather than just the thin casing wood.
Mortise Lock Installation — The Commercial Locksmith Standard for High-Traffic Doors
When businesses along Gervais Street or Assembly Street ask us what lock type offers the highest durability for a busy entry door, the answer is almost always a mortise lock. Unlike a cylindrical deadbolt or a standard knob lock that mounts through two bored holes, a mortise lock fits into a precise rectangular pocket cut into the edge of the door. This design integrates the latch, the deadbolt throw, and often a lever handle all in one reinforced steel body, which is why commercial locksmith work so frequently centers on mortise lock hardware. The result is a mechanism that holds up to thousands of daily cycles without the sag or misalignment that wears out a simple bored lock over time.
Installing a mortise lock correctly requires exacting measurements and the right chisel or routing equipment to create a clean pocket without splitting the door stile. Our technicians carry the tools and the experience to handle mortise lock work on wood, metal-clad, and fiberglass commercial doors. We stock several popular configurations and can source the hardware to match your existing escutcheon style if you are upgrading rather than replacing from scratch. Whether you manage a single office suite or a multi-unit retail space, our commercial locksmith services cover mortise lock installation, re-keying, and cylinder replacement to keep your operation running securely.
Smart Lock Installation, Knob Lock Upgrades, and What Determines Your Price
Smart lock installation is one of the fastest-growing requests we receive, and for good reason. Keypad deadbolts, Bluetooth-enabled knob locks, and Wi-Fi connected deadbolts from brands like Schlage and Kwikset allow property owners to grant and revoke access without cutting a single key. For landlords managing properties near Five Points or parents keeping track of a college student's apartment, the ability to change a code remotely is genuinely valuable. Our team handles the full installation — door prep, wiring for powered locks if required, app pairing, and a walkthrough so you understand every feature before we leave.
When neighbors or property managers ask us about cost, we are always straightforward: there is no single flat number because every job is different. Factors that shape the final quote include the type of lock being installed (a basic knob lock differs significantly from a mortise lock or a smart lock installation), whether the door needs new boring or prep work, the time of day you need service, travel distance within the Columbia area, and the specific hardware and parts required. What we commit to every time is confirming an exact up-front price before any work begins — no surprises on the invoice. Call (803) 408-4834 any time of day or night and we will give you a clear answer.
Locked Out, Need an Estimate, or Ready to Upgrade? Here Is How We Help — 24 Hours a Day
Whether you are locked out of your home, need a locksmith estimate before committing to a hardware upgrade, or want to know whether your current door knob lock is actually doing its job, we are here for exactly those situations. Our mobile approach means there is no location you need to find and drive to — we dispatch a trained technician to your address in Columbia, Lexington, and the surrounding communities. For homeowners who have been locked out, our first step is always verifying ownership and checking every legitimate option — a spare key with a neighbor, an unlocked window, or an alternate entry — before recommending any hardware intervention. We work damage-free wherever the door and lock condition allow.
A question we hear often is some version of 'what does a locksmith actually do?' The short answer for our team: we assess the existing security of your entry points, recommend and install the appropriate deadbolts, mortise lock assemblies, knob locks, or smart lock systems, re-key locks when you move into a new property or lose a key, and respond as an emergency locksmith when you are locked out at midnight with nowhere else to turn. If you are in the Lexington area and wondering whether there is a mobile locksmith nearby — yes, we serve Lexington, SC as well. For any of these needs, the number is (803) 408-4834, answered 24/7 by a real person who can dispatch help immediately.
Our Full Range of Deadbolt and Door Knob Lock Installation Services
We offer a specific and wide-ranging list of lock services so that residential and commercial customers throughout the Columbia area can get everything handled in one call. Our services include: single-cylinder deadbolt installation, double-cylinder deadbolt installation, mortise lock installation and replacement, standard door knob with lock installation, door knob with lock and key keyed-alike setups for multi-door properties, smart lock installation and app configuration, keypad deadbolt setup, lever handle lock installation, re-keying existing deadbolts and knob locks, master key system design and installation, high-security cylinder upgrades, Grade 1 deadbolt installation, Grade 2 lock installation for interior doors, door frame and strike plate reinforcement, three-inch security screw upgrades, lock hardware consultation and security assessment, lock cylinder extraction after broken key, lock lubrication and maintenance service, door alignment adjustment to fix a dragging latch, commercial mortise lock cylinder replacement, storefront lock installation, keyway change for rental property turnover, duplicate key cutting on-site, access control consultation for small businesses, and after-hours emergency locksmith response for residential and commercial lockouts. Every one of these is performed by our insured, experienced technicians who carry the tools to complete the job correctly on the first visit.
Frequently asked questions
Answers to what our customers ask most. Still unsure? Just call.
Is there a 24-hour emergency locksmith in Columbia, SC?+
Yes — Mike Columbia Locksmith operates around the clock, every day of the year. Whether you are locked out at 2 a.m. on a Tuesday or need a deadbolt installed on a Sunday afternoon, you can reach a live dispatcher at (803) 408-4834 any time. We answer 24/7 and can typically have a technician on the way to your Columbia-area location within a short dispatch window depending on current demand and your address.
Can you recommend a locksmith Columbia SC residents trust for mortise lock work?+
Our team has handled mortise lock installation and replacement across Columbia's residential and commercial properties for years. A mortise lock requires precise door-edge routing and careful hardware fitting that goes beyond standard deadbolt installation, and our technicians are experienced specifically with that work. We are insured, we confirm pricing before starting, and we do not leave until the lock operates correctly and you are satisfied.
What does a locksmith do during a door lock installation visit?+
During a door lock installation, our technician starts by assessing the door's condition, thickness, and existing bore pattern to confirm the new hardware is the right fit. If new holes need to be drilled or a mortise pocket needs to be cut, we handle that on-site. We then install the lock body, test the deadbolt throw and latch engagement, secure the strike plate with long screws reaching the stud, and verify the door closes and locks smoothly. For smart lock installation, we also pair the device to your app or keypad and walk you through the settings before we leave.
How much is the average locksmith charge for a deadbolt or knob lock installation?+
There is no single average that applies fairly to every job. The cost of a lock installation is shaped by several variables: the type of hardware involved (a basic knob lock is a different scope of work than a mortise lock or a smart lock), whether the door needs new boring or frame reinforcement, the time of day you need service, how far our technician needs to travel within the Columbia area, and the cost of any parts. What we always do is give you a confirmed, exact price before any work begins so there are no surprises when the job is done.
What is the meaning of locksmith, and how is a mobile locksmith different?+
A locksmith is a trained professional who installs, maintains, repairs, and bypasses lock mechanisms to help people secure or access their property legitimately. A mobile locksmith — which is exactly what Mike Columbia Locksmith is — operates without a fixed storefront. Instead of you bringing your hardware to us, we bring our tools and expertise to your door anywhere in the Columbia and Lexington areas. That means faster response for lockouts, on-site installations, and service calls that fit your schedule rather than ours.
Is there a mobile locksmith in Lexington, SC?+
Yes. While we are based in Columbia, our mobile service area extends to Lexington, SC and surrounding communities. If you need a deadbolt installed, a mortise lock replaced, a door knob with lock and key set up, or an emergency locksmith response in the Lexington area, call (803) 408-4834 and we will confirm availability and dispatch time for your specific location. We cover the broader Midlands region and aim to be the only call you need to make.