High-Security Lock Installation
Marietta homeowners along busy corridors like Roswell Road and business owners near the Town Square know that standard builder-grade locks offer very little resistance to a determined intruder. Cylinders that can be picked, bumped, or copied at any hardware store are the silent vulnerability behind most residential and commercial break-ins — and most property owners never realize it until after a loss. Marietta Fast Locksmith specializes in high-security lock installation that closes those gaps permanently, using restricted-key systems and pick-resistant cylinders engineered to defeat the techniques that defeat ordinary hardware.
Open 24 hours, 7 days a week · Licensed, bonded & insured
Our trained, insured technicians operate as a fully mobile team — we come directly to your door in Marietta and the surrounding area, 24 hours a day, 7 days a week. Whether you manage a multi-tenant office building off Powers Ferry Road or a single-family home in the East Cobb corridor, we assess your existing doors, recommend the right hardware, and complete every installation with a damage-free approach wherever the door frame and prep allow. From high-security deadbolt lock installation to full mortise lock replacement, every job ends with a verified, smooth operation and a key that only you control.
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.
Why Standard Cylinders Fail — and What High-Security Lock Installation Actually Fixes
Most doors in Marietta leave the factory pre-drilled for a basic cylindrical lockset that retails for under twenty dollars and accepts keys that can be duplicated at any big-box store without authorization. These cylinders have shallow pin stacks, minimal sidebar engagement, and no patented key-way protection — meaning a practiced intruder can defeat them in seconds using commercially available tools. High-security lock installation replaces that weak point with a cylinder constructed to ANSI/BHMA Grade 1 tolerances or higher, featuring hardened steel inserts that resist drilling, anti-rotation pins that resist picking, and a restricted key blank that cannot be legally duplicated without documented owner authorization. The result is a front door that behaves the way most people already assume their door behaves.
The core of a truly secure cylinder is the mortise lock — a rectangular cartridge that drops into a pocket routed into the door's edge rather than sitting in a bored hole. Mortise lock bodies integrate the deadbolt throw, latch, and sometimes an auxiliary lock function into a single steel housing, making the assembly far more resistant to kick-in and pry attacks than a standard cylindrical unit. Marietta Fast Locksmith carries and installs mortise lock hardware from respected manufacturers including Medeco, Mul-T-Lock, and Schlage Primus-series products, fitting them to both residential and commercial doors with steel reinforcement where the frame requires it.
High-Security Lock Installation for Homes and Businesses: What the Service Covers
A complete high-security door lock installation from our team covers far more than swapping cylinders. During the assessment we examine the door frame, strike-box depth, hinge security, and door-to-frame gap — because a Grade 1 cylinder on a weak frame still fails. Residential services include restricted-key deadbolt lock installation, mortise lock conversion for older doors with existing mortise prep, door knob lock replacement with anti-pick core upgrades, and smart lock installation for homeowners who want keypad or app-based access without sacrificing physical security. Smart door lock installation is increasingly requested in Marietta's newer subdivisions, and we integrate these devices with existing door prep or modify the bore when needed. For commercial clients, we handle commercial lock installation on aluminum storefront doors, commercial keypad door lock installation for employee-access control, and full re-keying of master-key hierarchies after staff turnover.
Our 25-plus distinct services on this specialty include: restricted-key cylinder installation, mortise lock installation and conversion, anti-bump cylinder upgrade, anti-pick pin replacement, deadbolt lock installation (single and double cylinder), smart lock installation and pairing, smart door lock installation with app configuration, commercial lock installation on hollow-metal and wood doors, commercial keypad door lock installation, access-control electric-strike wiring coordination, door knob lock replacement with Grade 1 hardware, lever-handle lock installation for ADA-compliant entries, high-security padlock installation for gates and hasps, door viewer (peephole) installation with wide-angle lenses, door reinforcement plate and strike-box upgrade, hinge-bolt installation to prevent hinge-side attacks, door frame steel-reinforcement installation, mailbox and storage-unit lock installation, cabinet and file-room lock installation, garage side-door deadbolt installation, restricted key-duplication program enrollment, master-key system design and implementation, re-keying existing high-security cylinders, lock inspection and security audit, and emergency locksmith response when a high-security lock malfunctions or is damaged during an attempted break-in.
Mortise Lock and Restricted-Key Systems: The Technical Details That Matter
A restricted-key system works through a combination of a patented key-way profile and a documented distribution chain. When you enroll in a restricted-key program, the manufacturer records your ownership and permits duplication only through an authorized channel — meaning a lost key cannot simply be copied at a retail counter. Paired with a mortise lock cylinder that features secondary locking elements (sidebars, rotating pins, or magnetic tumblers depending on the product line), the result is a system that is documented, controlled, and mechanically resistant to all common bypass methods. Marietta Fast Locksmith helps residential and commercial customers enroll in these programs, maintains the paperwork trail on your behalf, and keeps your key-control records organized for future re-keys or additions.
For Marietta businesses — whether a medical office near Kennestone Hospital, a retail storefront in the Battery Atlanta-adjacent corridors, or a warehouse in the I-75 industrial belt — key control is not a luxury; it is a liability issue. Rekeying a standard cylinder after every employee departure costs time and money in the long run. A mortise lock system with restricted keys can be selectively re-keyed at individual cylinders without disturbing the rest of the master hierarchy, and a commercial locksmith visit from our team can update the entire building's key schedule in a single appointment. If you are ready to close the key-control gap at your property, call (770) 202-1324 — we answer 24/7 and can schedule a same-day security assessment.
What to Expect: Mobile Lock Installation, Pricing Transparency, and Local Response
Marietta Fast Locksmith operates on a mobile model — there is no storefront you drive to; our trained technicians drive to you. That matters at midnight when a commercial keypad door lock installation fails during a shift change, or at 7 a.m. when a property manager on Atlanta Road needs all the cylinders on a newly acquired rental updated before new tenants move in. As an emergency locksmith service operating around the clock, we carry a broad inventory of high-security hardware in our service vehicles so that most installations are completed in a single visit without back-ordering parts.
Pricing for lock installation service depends on several honest factors: the type of lock and cylinder grade selected, the condition and prep of the existing door, whether frame reinforcement is needed, the time of day the service is requested, and travel distance to your Marietta location. We will never quote a vague range and then adjust it at the door. Before any work begins, our technician confirms an exact up-front price — you approve it, then we proceed. There are no hidden fees for hardware disposal or after-hours service discovery. Our insured team treats every door the way we would treat our own, completing each lock installation service with care for the finish, the door frame, and the surrounding trim. When the job is done, we walk you through the new operation, hand over all keys, and make sure you leave with full confidence in your upgraded security. To book a high-security assessment or schedule a door lock installation service today, call (770) 202-1324 — we are available 24/7.
Frequently asked questions
Answers to what our customers ask most. Still unsure? Just call.
Is there a mobile locksmith in Marietta, GA for high-security lock jobs?+
Yes. Marietta Fast Locksmith is a fully mobile operation serving Marietta and the surrounding area around the clock. Our trained technicians travel directly to your home or business address — no drop-off, no waiting at a shop. We carry high-security cylinders, mortise lock hardware, smart lock components, and commercial keypad door lock installation equipment in our service vehicles, so most jobs are completed on the first visit. Call (770) 202-1324 any time and a live team member will answer.
What are some good locksmiths in Marietta, GA for restricted-key systems?+
When evaluating any locksmith for a restricted-key or high-security lock installation project, look for these qualities: technicians who are trained and experienced with ANSI Grade 1 hardware and mortise lock systems, a shop or mobile team that is insured, a clear policy of confirming an up-front price before work begins, and a demonstrated understanding of key-control documentation. Marietta Fast Locksmith meets all of these standards and serves residential and commercial clients throughout Marietta. We are happy to explain our process in detail before you commit to any service — call (770) 202-1324 to speak with our team directly.
How much is a locksmith per hour for high-security lock installation?+
Most high-security lock installation and mortise lock jobs are quoted as a flat project price rather than an hourly rate, because the variables that drive cost are tied to the job itself, not the clock. Those variables include the grade and brand of cylinder or lock body selected, the condition of the existing door prep and frame, whether reinforcement hardware is needed, the time of day the service is requested, and the travel distance to your Marietta location. Our technician reviews all of these factors on-site and gives you one confirmed price before any work begins — no open-ended hourly estimates that balloon as the job progresses.
What proof do I need for a locksmith when getting a high-security lock installed?+
For residential door lock installation, a trained locksmith will typically ask you to demonstrate that you are the property owner or authorized occupant — this usually means showing a government-issued photo ID that matches the property address, a lease agreement, or a utility bill in your name. For commercial lock installation, a business card, employer ID, or authorization letter from the property owner covers most scenarios. If you are a property manager requesting work on behalf of an owner, written authorization from the owner and your own ID are the standard requirement. Marietta Fast Locksmith follows these verification steps on every call — it protects you as much as it protects us.
What is a locksmith call-out fee, and does Marietta Fast Locksmith charge one?+
A call-out fee, sometimes called a dispatch or service-call fee, is a base charge some locksmith companies apply just for sending a technician to your location, separate from the actual labor and parts. Pricing structures vary across the industry. At Marietta Fast Locksmith, we are transparent about every component of your quote before work starts — our technician will walk you through exactly what you are being charged for, including any applicable trip or service charges, so there are no surprises when the invoice arrives. The goal is a single confirmed number you agree to in advance, not a layered bill assembled after the fact.
Can you install a smart lock alongside a high-security mortise lock cylinder?+
Absolutely — smart lock installation and high-security mechanical security are not mutually exclusive. Many of our Marietta clients want the convenience of keypad or app-based access while retaining the physical strength of a grade-1 deadbolt or mortise lock body. In those setups, we can install a smart lock at the primary cylinder position while hardening the strike, frame, and auxiliary locking points. We also handle smart door lock installation where the existing door prep needs to be modified to accept a new form factor. Our technicians will assess your door and recommend a configuration that delivers both digital convenience and mechanical resistance — call (770) 202-1324 to schedule a same-day consultation.