Door Knob Lock Rekey & Install
If you've recently moved into a home near Fisher Park or along Battleground Avenue in Greensboro, handed over keys to a tenant, or simply realized that too many people carry copies of your house key, rekeying or replacing your door knob lock is one of the smartest security decisions you can make. Colfax Locksmith is a local, family-owned business serving all of Guilford County — and unlike call-center dispatch operations, we actually know this area. Our trained technicians roll out to you fully stocked, ready to rekey or install door knob locks, deadbolts, and mortise lock hardware on the spot.
Open 24 hours, 7 days a week · Licensed, bonded & insured
We operate both a physical shop location and a fleet of mobile service vehicles, so whether you want to drop by or have us come to your door, we have you covered. Our team answers calls 24 hours a day, 7 days a week — including holidays — because lock problems don't wait for business hours. Every job starts with a straight, up-front quote confirmed before any work begins. Call (631) 380-4138 any time to speak with a real person who can dispatch a technician to your location in Greensboro, High Point, Whitsett, or anywhere across Guilford County.
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 Guilford County, we reach the Guilford County 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.
More about our work
Everything you need to know about how we help — at a glance.
Door Knob Lock Rekey and Install: What the Service Actually Involves
Rekeying a door knob lock means a technician disassembles the lock cylinder and replaces the internal pin tumblers so that your old keys no longer work — while cutting and programming a new key set that does. No new hardware is required unless you want it. This is particularly valuable when you've bought a resale home, ended a lease, dismissed an employee with building access, or lost track of how many key copies are floating around. Our technicians carry a full kit of replacement pins and key blanks compatible with the most common residential hardware brands, so rekeying typically happens on the first visit without ordering parts.
Installing a new door knob with lock is the right call when the existing hardware is worn, damaged, outdated, or simply not up to the security standard your home or business needs. We work with a wide range of hardware grades — from entry-level privacy knobs for interior bedroom doors to heavy-duty keyed knobs and matching deadbolts for exterior doors. We also install and service mortise lock assemblies, which are common in older Guilford County homes and virtually all commercial storefronts. A mortise lock is built into a pocket cut into the door edge, combining latch, deadbolt, and sometimes a privacy turn in one integrated unit — and it requires precise fitting that rewards experienced hands. Our team handles every hardware type with damage-free techniques wherever the door and frame allow.
Mortise Lock Service and Commercial Locksmith Work in Guilford County
Property owners and business managers throughout Greensboro's commercial corridors — from the shops around Four Seasons Town Centre to the office parks near Piedmont Triad International Airport — regularly call us for mortise lock installation, repair, and rekeying. Mortise locks offer a higher level of security than standard knob-and-deadbolt setups because the lock body is recessed into the door itself, making prying and kick-in attacks far more difficult. If you manage a retail space, a medical office, or a multi-unit rental building, upgrading to a quality mortise lock system is one of the most effective steps you can take. As your commercial locksmith partner, we assess your door thickness, frame condition, and traffic patterns before recommending hardware — and we confirm the full price before touching a single screw.
Our Secure Your Business service goes beyond a single door. We can master-key an entire building so managers carry one key while individual staff members access only their assigned areas. We install double lock door knob sets for interior offices requiring an extra layer of privacy, grade-1 commercial deadbolts, and electronic keypad entries that eliminate the physical key entirely. Every technician who handles commercial work is experienced with the specific demands of business environments: working around operating hours, minimizing disruption, and producing clean, professional installations that hold up under heavy daily use.
Why Guilford County Homeowners and Renters Call Us for Knob Lock Service
Guilford County's housing stock is unusually diverse — there are 1920s Craftsman bungalows in the College Hill neighborhood with original mortise hardware, mid-century ranches in Sedgefield with aging passage knobs, and newer subdivisions in Colfax and Stokesdale where builders installed builder-grade knob locks that offer minimal security. Each situation calls for a different approach, and our family-owned team has worked across all of it. We are not a franchise following a rigid script; we are neighbors who understand the difference between a door knob with lock for a bedroom and a keyed exterior knob that faces the street and needs to hold up against forced entry.
When a customer asks how to pick a door knob lock — usually because they are locked out — the honest, responsible answer is: don't try it yourself. Amateur attempts to pick or bypass a lock door knob frequently damage the cylinder beyond rekey-ability, scratch the finish, or, in worst cases, damage the door frame. The right first steps are to check for a spare key held by a neighbor or family member, look for an unlocked window or secondary entrance, and — if those options are exhausted — call a professional who can open the lock without damaging your property. Our technicians use non-destructive methods wherever possible and, if the lock must be drilled, replace the hardware immediately so you are never left unsecured. We verify ownership before beginning any lockout service, which protects you and your property. Call us at (631) 380-4138 — we are available around the clock as your emergency locksmith for exactly these situations.
Mobile Service, a Physical Shop, and Transparent Pricing — Serving Greensboro, Winston-Salem, and Beyond
One thing that sets Colfax Locksmith apart is the combination of a physical shop location and full mobile service. If you prefer to bring your lock hardware in for rekeying, or you want to browse deadbolt and knob options in person before committing, our shop is available for that. If you need us to come to your front door in High Point at 2 a.m. because a knob lock failed and you cannot get inside, a mobile technician will be on the way. We serve the full Guilford County area and extend our reach to Winston-Salem and surrounding communities in the Triad region.
Pricing questions are common, and they are fair questions. The factors that shape your final quote include the type and brand of lock being serviced, the number of locks involved, the time of day, the travel distance to your location, and whether new parts or hardware are needed. An after-hours emergency locksmith call, for instance, reflects the cost of immediate response outside standard hours. We walk through all of these factors with you before any work begins and confirm an exact price — no surprise charges added after the job. Our technicians are insured, and as a family-owned local business we stand behind every service call with our reputation on the line, not a corporate hotline. When you need a door knob lock rekeyed, a mortise lock installed, or an emergency door opening in Guilford County, call (631) 380-4138 — we answer 24/7.
Complete Door Knob Lock and Security Services We Provide
Colfax Locksmith offers a comprehensive range of services for residential and commercial customers across Guilford County. Our current service list includes: residential door knob lock rekeying, exterior deadbolt rekeying, master key system design and installation, mortise lock installation and repair, mortise lock cylinder replacement, door knob with lock installation (keyed and privacy), double lock door knob installation, knob lock replacement on rental properties, emergency lockout service for homes and businesses, high-security deadbolt upgrades, commercial storefront door lock service, office suite master key setup, keypad and electronic lock installation, door hardware alignment and strike plate reinforcement, lock cylinder repair without full replacement, door knob removal and door prep for new hardware, key cutting and duplication, lock rekeying after break-in or attempted forced entry, security consultation for residential properties, security consultation for commercial properties, grade-1 commercial knob and deadbolt installation, interior privacy lock installation for bedrooms and bathrooms, mailbox lock replacement, padlock rekeying and replacement, and same-day hardware sourcing and installation for most major brands.
Frequently asked questions
How much is a locksmith in North Carolina for door knob lock rekeying?
There is no single flat rate — the final price depends on several factors: the type and brand of lock being rekeyed, the number of locks on your property, whether you need new keys cut, your location within Guilford County, and the time of day. Emergency calls outside standard hours reflect the cost of immediate dispatch. What we can guarantee is that our technician will give you an exact, confirmed price before any work starts, so there are no surprises on the invoice. Call (631) 380-4138 and describe your situation — we will give you a clear quote over the phone before we send anyone out.
How much does an emergency locksmith cost near me in Guilford County?
Emergency locksmith pricing reflects the urgency and timing of the call. Factors include whether it is an after-hours or weekend dispatch, how far the technician must travel within Guilford County, the type of lock involved, and whether any hardware needs to be replaced rather than simply opened. We confirm the total cost before we begin — our technicians do not start work until you have agreed to the price. To get an accurate estimate specific to your situation, call us at (631) 380-4138 any time, day or night.
What locks can locksmiths not open?
A skilled locksmith can open the vast majority of residential and commercial locks — including standard door knob locks, deadbolts, mortise locks, padlocks, and most keypad locks in bypass or emergency mode. High-security locks from certain manufacturers are engineered to resist picking and are more time-intensive, though they are still serviceable by an experienced technician with the right tools. The situations where a locksmith may decline to proceed have less to do with the lock itself and more to do with proof of ownership — we verify that the person requesting service has the right to access the property before beginning any job. This protects everyone involved.
Can a locksmith reprogram my key fob?
Yes, in many cases a qualified locksmith can reprogram or replace a key fob, depending on the vehicle make, model, and year. Key fob programming requires specific diagnostic equipment and access to the vehicle, and not every locksmith carries equipment for every vehicle. At Colfax Locksmith we handle a range of automotive key and fob services — call (631) 380-4138 to describe your vehicle and we will confirm whether we can service it before you commit to anything.
I just moved into a home in Greensboro — should I rekey or fully replace my door knob locks?
Rekeying is almost always the right first move for a new homeowner. It costs less than full replacement, renders every previous key useless, and uses the same lock hardware you already have — assuming it is in good condition. If the existing hardware is visibly worn, low-grade, or you want to upgrade to a deadbolt or mortise lock for better security, then replacement makes more sense. Our technicians will inspect your current locks when they arrive and walk you through both options with honest recommendations before doing any work.
How do I know if my door knob with lock is really securing my home, or if it is easy to bypass?
Standard residential knob locks, especially builder-grade hardware, offer limited security on their own because the lock mechanism is located in the knob and can be vulnerable to forced entry. A quality keyed deadbolt — or better yet, a mortise lock on an exterior door — provides significantly more resistance. Signs that your current hardware may be underperforming include a loose knob, visible wear around the keyway, difficulty turning the key, or hardware that is more than 10 to 15 years old. Call us at (631) 380-4138 and we can assess your doors and recommend appropriate upgrades for your specific situation in Guilford County.
Locked out or need a lock fixed? We are on the way.
Open 24 hours, 7 days a week · Insured, background-checked technicians · Up-front pricing
(631) 380-4138