Mortise Lock Repair & Replacement
Commercial doors throughout Marietta — from the multi-tenant office buildings along Cobb Parkway to the storefronts near Marietta Square — rely on mortise lock hardware far more demanding than a standard residential knob lock. A mortise lock sits recessed inside a routed pocket in the door edge, integrating the latch, deadbolt, and often a cylinder into one unified lock body. That complexity is exactly what makes mortise hardware so dependable under heavy daily use, and it's also why repair or replacement is a job that requires trained hands, the right tools, and genuine experience with commercial-grade hardware.
Open 24 hours, 7 days a week · Licensed, bonded & insured
Marietta Fast Locksmith is a fully mobile, insured locksmith operation that comes directly to your door — no drop-off, no waiting. Our technicians work 24/7, including overnight emergencies and weekend call-outs when a failed lock body or a broken mortise lock cylinder can bring a business to a standstill. Whether you need a full lock body rebuilt, a cylinder re-keyed, or an entire mortise lock set swapped out on an exterior door, we carry the parts and the expertise to handle the job without unnecessary door damage.
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 Marietta, we reach the Marietta 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.
What Is a Mortise Lock and Why Commercial Doors Depend on Them
A mortise lock gets its name from the mortise — the rectangular cavity cut into the door's edge to house the lock case. Inside that case you'll find a latch bolt, a deadbolt, and the internal cam and lever mechanism that connects to the exterior cylinder and interior thumbturn. That self-contained design is what separates mortise hardware from a simple cylindrical knob lock or a deadbolt bolted to a door's surface. Because every functional component lives inside the door itself, mortise locks resist forced entry far better and hold up under the constant open-and-close cycles that commercial and multi-family doors experience every day. Manufacturers like Corbin Russwin and Baldwin have built mortise lock lines engineered specifically for high-traffic commercial environments, and both brands are common across office parks, hotels, schools, and retail buildings throughout the Marietta area.
The mortise lock set — meaning the complete assembly of lock case, trim, handles or knobs, escutcheon plates, and cylinder — can be specified for interior or exterior use. A mortise lock set for an exterior door carries higher security ratings, heavier strike plates, and weather-resistant finishes compared to interior variants. Sliding door mortise locks follow the same embedded-case principle but are oriented for the lateral pull of a sliding panel rather than a swinging door. Electric mortise locks add a solenoid or motor to the standard mechanical case, allowing remote release from an access control panel — a configuration increasingly common in medical offices and corporate lobbies. Smart mortise lock variants go further, pairing that electrified mechanism with credential readers, wireless connectivity, and audit-trail logging.
Signs Your Mortise Lock Repair or Replacement Can't Wait
Most mortise lock failures don't announce themselves dramatically — they build gradually. A latch that requires extra force to retract, a cylinder that binds when the key turns past a certain point, a deadbolt that won't fully extend, or handles that feel loose and wobbly are all early warnings that internal components are wearing out or that the lock case itself has shifted out of alignment. Left unaddressed, any of these conditions can escalate into a full lockout or a security gap. Businesses on or near the Cherokee Street corridor in downtown Marietta, where foot traffic is high, can't afford a door that doesn't latch reliably or a lock body that can be defeated with minimal pressure. If your door shows any of these symptoms, the time to call is now — not after an incident. Reach our team any time at (770) 202-1324 and a technician will be dispatched to your location, around the clock.
Common scenarios our commercial locksmith team handles include: lock cases cracked internally after an attempted break-in, worn cams that prevent the cylinder from turning the bolt, stripped set screws that let the cylinder rotate freely in the housing, corroded or broken latch springs on high-humidity exterior doors, and mortise lock cylinders that can no longer be re-keyed due to worn driver pins. We also respond when a key snaps off inside the cylinder — a situation that looks simple but can damage the plug if handled incorrectly. Our approach in every case is to assess whether the component can be rebuilt or adjusted before recommending full replacement, keeping disruption and cost as low as the hardware condition honestly allows.
Our Mortise Lock Repair, Rebuilding, and Replacement Process
When a technician arrives at your Marietta property, the first step is a thorough inspection of the entire door assembly — not just the lock case. Misalignment between the lock body and the strike plate, a sagging door, or a damaged door edge can all mimic a failing lock and will cause a newly installed lock to fail prematurely if not corrected first. Once we understand exactly what's happening, we walk you through the options: rebuild and adjust the existing case, replace specific internal components such as the latch mechanism or cylinder, or install an entirely new mortise lock set. We confirm an exact up-front price before any work begins — the final quote accounts for the lock hardware type and grade, the parts required, time of day, and travel distance to your location, so there are no surprises on the invoice.
For Corbin Russwin mortise lock bodies and Baldwin mortise lock sets, our technicians carry a working knowledge of the specific cam geometries, cylinder keyways, and trim configurations these brands use, which means we can source compatible replacement parts and re-key to your existing key system where the hardware allows. When a customer is upgrading to an electric mortise lock or integrating a smart mortise lock with an existing access control infrastructure, we assess the door prep, power supply routing, and controller compatibility before committing to an installation plan. Every job — from a straightforward cylinder swap to a full commercial door lock overhaul — is performed by insured technicians trained specifically on mortise and commercial-grade hardware, and we take care to protect door finish and frame whenever the work requires removing the lock case.
Complete Commercial Locksmith Services for Marietta Properties
Mortise lock work is one part of a broader range of commercial and emergency locksmith services Marietta Fast Locksmith provides across the area. Below is a representative — though not exhaustive — list of specific services our mobile team handles on commercial, residential, and automotive calls: mortise lock cylinder extraction and replacement, mortise lock case rebuilding and internal component repair, electric mortise lock installation and wiring, smart mortise lock integration with access control panels, Corbin Russwin and Baldwin hardware service, sliding door mortise lock adjustment and replacement, high-security cylinder upgrade on commercial entry doors, master key system design and implementation, commercial door knob lock replacement and re-keying, panic bar and exit device installation, access control keypad and card reader installation, grade-1 deadbolt installation on exterior doors, door frame and strike plate reinforcement after forced entry, key extraction from broken cylinders, lock-out response for commercial tenants and property managers, re-keying after employee turnover or key loss, duplicate key cutting for restricted keyways, residential deadbolt and knob lock replacement, residential lockout response, garage door lock repair, automotive lockout service for cars and trucks, transponder key programming and duplication, ignition lock cylinder service, safe lock repair and combination change, and 24/7 emergency locksmith dispatch for after-hours security failures. Whether you manage a single storefront near the Marietta Square or a multi-building commercial campus off South Marietta Parkway, our mobile team comes to you — fully equipped to handle the job on-site. Call (770) 202-1324 any time, day or night, for immediate assistance.
Frequently asked questions
Answers to what our customers ask most. Still unsure? Just call.
What is a mortise lock and how is it different from a standard door knob lock?+
A mortise lock is a lock whose mechanism — latch bolt, deadbolt, and internal cam assembly — is housed inside a rectangular case that fits into a pocket (the mortise) cut into the door's edge. Because the hardware is recessed within the door, it is structurally stronger and more tamper-resistant than a cylindrical knob lock, which mounts through a bored hole in the door face and has far less metal mass resisting force. Mortise hardware is the standard choice for commercial exterior doors and high-traffic entryways precisely because of that additional strength and the ability to integrate multiple functions into one case.
Is there a mobile locksmith in Marietta, GA who handles commercial mortise locks?+
Yes — Marietta Fast Locksmith is a fully mobile operation based in and around Marietta. Our technicians travel directly to your commercial property, whether that's an office along Cobb Parkway, a retail space near Marietta Square, or a multi-family building anywhere in the area. We carry the tools and common replacement parts for mortise lock service on-board our vehicles, so most repairs and replacements can be completed in a single visit without requiring you to bring the hardware to a shop. We're available 24 hours a day, seven days a week — call (770) 202-1324 and we'll dispatch a technician promptly.
How much is a locksmith per hour for mortise lock work?+
Marietta Fast Locksmith does not bill strictly by the hour. Instead, we assess the specific job — the type and grade of mortise lock hardware involved, whether the work is a repair, rebuild, or full replacement, the parts required, the time of day, and the travel distance to your location — and then provide an exact, agreed-upon price before any work begins. This means you know the full cost upfront rather than watching a meter run. Emergency and overnight calls may be priced differently than standard daytime appointments, and we're transparent about that distinction when you call.
What proof do I need for a locksmith to work on a commercial door?+
Our technicians will ask you to verify that you have the authority to request service on the property or lock in question. For commercial properties, this typically means showing a valid government-issued photo ID and demonstrating a legitimate connection to the business — such as a business card, a lease agreement, a property management authorization letter, or simply being present and identifiable as the keyholder or property manager. For after-hours or emergency calls where documentation may be limited, a combination of ID and contextual evidence (keys to other parts of the building, knowledge of the tenant name, etc.) helps us confirm legitimacy. We take this step seriously to protect all of our customers.
What is a locksmith call-out fee and does Marietta Fast Locksmith charge one?+
A call-out fee — sometimes called a service fee or dispatch fee — is a charge that covers the cost of sending a technician to your location, independent of the work performed. Some locksmith operations charge this separately; others fold it into the overall job price. At Marietta Fast Locksmith, we are upfront about every component of your quote before work begins, so you will always know exactly what you're paying and why. There are no hidden fees added after the job is done. The best way to get accurate pricing information for your specific situation is to call us at (770) 202-1324 and describe the job.
What are some good locksmiths in Marietta, GA for commercial mortise lock repair?+
When evaluating any locksmith for commercial mortise lock work, look for a few key indicators: technicians who are trained and experienced specifically with commercial-grade hardware (not just residential knob locks), a mobile operation that comes to your site fully equipped, insured coverage so you're protected if anything goes wrong during the repair, and a clear policy of providing an exact price before work starts. Marietta Fast Locksmith meets all of these criteria and focuses exclusively on serving the Marietta area. We work with mortise hardware from brands like Corbin Russwin and Baldwin, handle electric and smart mortise lock installations, and are available around the clock. Call (770) 202-1324 to speak with our team directly.