Frederick Lock & Key

Lock Installation & Repair | Frederick Locks & Keys | (240) 706-4799
Same-Day Service Available

Lock Installation & Repair

From a single deadbolt to a full security upgrade — we install and repair every type of lock for homes, businesses, and commercial properties across Frederick County, MD. All work done on-site by our fully-equipped mobile locksmith.

What We Install & Repair

Deadbolts & Entry Locks
Smart Locks & Keypads
High-Security Locks
Commercial & Panic Hardware
Lock Repair & Maintenance

Serving all of Frederick County, MD — same-day mobile service with upfront pricing

🔧 Need a lock installed or repaired today?

Call (240) 706-4799

Lock Installation Done Right

We install every type of lock on the market — residential, commercial, and everything in between. All hardware, all brands, one visit.

Deadbolt Installation

The foundation of home security. We install single-cylinder, double-cylinder, and keyless deadbolts on entry doors, side doors, and garage entries. Fresh installation on new doors or upgrades to existing hardware — we handle both.

Single-CylinderDouble-CylinderKeyless EntryGrade 1 & 2

Smart Lock Installation

Upgrade to keyless convenience without compromising security. We install and configure Wi-Fi, Bluetooth, and Z-Wave smart locks — including app setup, user codes, and integration with your existing smart home system.

Schlage EncodeYale AssureAugustKwikset Halo

High-Security Lock Installation

For maximum protection against picking, bumping, and drilling. We install restricted-keyway and patented key systems that provide key control — meaning copies can only be made by authorized dealers.

MedecoMul-T-LockASSA AbloyRestricted Keyway

Mortise Lock Installation

Heavy-duty mortise locks for commercial doors and upscale residential entries. We mortise (cut the pocket into the door), install the lock body, trim, and cylinder — a precision job that requires professional tools.

Commercial GradeResidentialHistoric HomesHeavy-Duty

Keypad & Electronic Locks

PIN code access for convenience without a physical key. Perfect for rental properties, Airbnbs, offices, and families who want code-based entry. We program user codes and set auto-lock features.

PIN EntryRental PropertyAirbnbAuto-Lock

Panic Bars & Exit Devices

Code-compliant panic bars, crash bars, and exit devices for commercial properties. We install, repair, and replace to meet fire code and ADA requirements — keeping your business safe and legal.

Panic BarsCrash BarsFire CodeADA Compliant

Expert Lock Repair Service

Not every lock problem needs a replacement. A skilled repair is often faster, cheaper, and just as effective. Our technicians diagnose the issue on-site and give you an honest recommendation — repair when it makes sense, replace when it doesn't.

We repair all types of residential and commercial locks, including older and discontinued hardware. If replacement is needed, we carry a wide inventory on our mobile unit for same-visit resolution.

Mechanism Repair

Fixing stuck, jammed, or misaligned internal lock mechanisms

Strike Plate & Frame Repair

Reinforcing or replacing damaged strike plates and door frames

Key & Cylinder Repair

Replacing worn cylinders, broken keys in locks, sticky tumblers

Door Hardware Adjustment

Realigning latches, handles, and hinges that cause lock issues

Signs Your Lock Needs Attention

Don't wait until you're locked out. Watch for these warning signs.

Key sticks or is hard to turn — worn pins or tumblers
Deadbolt doesn't extend fully — misalignment or wear
Lock feels loose or wobbly — mounting screws or body worn
Door doesn't latch properly — strike plate or frame shift
Visible rust or corrosion — security compromised
Lock is 10+ years old — may not meet modern security standards

All Major Lock Brands

We install and service every major lock manufacturer. Common hardware available same-day from our mobile unit.

Schlage

Industry leader — residential & commercial

Kwikset

SmartKey technology, affordable security

Yale

Smart locks & classic hardware

Baldwin

Premium residential hardware

Medeco

High-security, restricted keyways

Mul-T-Lock

Pick-proof, bump-proof protection

ASSA Abloy

Global security leader

August

Smart home integration

From Call to Installed — 4 Steps

A simple, transparent process from your first call to a perfectly installed lock.

1

Call & Describe

Tell us what you need — new installation, replacement, or repair. We'll give you a phone estimate and schedule a visit.

2

We Assess

Our technician inspects your door, frame, and existing hardware. If you don't have a lock picked out, we recommend options from our inventory.

3

Install or Repair

We do the work on-site — drilling, boring, mortising, fitting, and testing. Everything done right the first time with professional tools.

4

Test & Hand Over

We test the lock thoroughly, hand you your new keys (or set up your codes), and clean up. You pay the quoted price — done.

Ready to Upgrade Your Locks?

Whether it's a single deadbolt or a whole-property security upgrade — one call gets it done.

Call Now — Free Estimate

Lock Solutions for Every Property

Different properties have different security needs. Here's how we approach each one.

🏠 Residential

Home Lock Installation

From first-time homeowners upgrading builder-grade locks to families adding smart locks for keyless convenience — we help Frederick County homeowners at every security level.

  • Entry door deadbolts & handlesets
  • Smart locks with app & voice control
  • Sliding door & patio door locks
  • Garage entry & side door locks
  • Cabinet, shed & mailbox locks
  • Whole-home rekeys & security audits
🏢 Commercial

Business Lock Installation

Frederick County businesses need locks that can handle high traffic, meet code requirements, and provide controlled access. We install and maintain commercial-grade hardware built for the job.

  • Heavy-duty mortise & cylindrical locks
  • Panic bars & exit devices (fire code)
  • Keypad & access control systems
  • Master key & restricted key systems
  • File cabinet & desk locks
  • Storefront & gate lock installation

Lock Installation FAQ

Lock installation costs depend on the type of lock and complexity of the job. A standard deadbolt installation typically costs less than a smart lock or high-security lock installation. Frederick Locks & Keys provides upfront pricing before any work begins — no hidden fees. Call (240) 706-4799 for a free estimate.
In most cases, yes. Many smart locks are designed to retrofit into standard deadbolt cutouts. Our technician will assess your door and existing hardware to recommend the best smart lock option. If any modifications are needed, we handle those on the spot. We work with all major brands including Schlage, Kwikset, Yale, and August.
It depends on the issue. If the lock mechanism is worn but the lock body is sound, repair is often the most cost-effective option. If the lock is old, damaged beyond repair, or no longer meets your security needs, replacement is better. Our technician will assess the lock on-site and give you an honest recommendation — we won't push replacement when repair will do.
Absolutely. We do fresh installations on new doors, including drilling, boring, and mortising for new lock hardware. Whether it's a new entry door, interior door, or commercial door, we bring all the tools and hardware needed to install from scratch.
We install all major lock brands including Schlage, Kwikset, Yale, Baldwin, Medeco, Mul-T-Lock, ASSA Abloy, August, and many more. We carry a selection of common locks on our mobile unit for same-day installation, and can source specialty hardware within 24–48 hours.
Yes. We install commercial-grade hardware including heavy-duty deadbolts, mortise locks, panic bars, exit devices, keypad locks, and access control systems. We serve Frederick County businesses of all sizes — from retail shops to office buildings and warehouses. Call (240) 706-4799.

More Locksmith Services

Lock installation & repair is just one of our specialties. We offer a full range of locksmith services.

Lock Installation Across Frederick County

We install and repair locks anywhere in Frederick County, MD.

Need a Lock Installed or Fixed?

One call. One visit. Problem solved. Professional lock installation and repair across Frederick County, MD.

Call Now — Free Estimate