New Hardware for Changing Security Requirements

Residential Lock Installation in Los Angeles for homes requiring upgraded entry hardware after moves, renovations, or security assessments

The existing deadbolt extends only half an inch into a shallow strike plate with short screws that barely reach the door frame, leaving the entry vulnerable to kick-in attempts that take under five seconds when force is applied at the right angle. Larchmont Lock & Key installs new residential locks across Los Angeles for front doors, side entrances, garage access points, and interior security doors where hardware directly affects household protection and daily access control. Installation work typically follows specific triggers: moving into a previously occupied home where you don't know who has keys, replacing builder-grade locks that were never designed for serious security, or adding auxiliary locks to sliding doors and secondary entrances that came with minimal factory hardware.


The process starts with removing the old lock assembly, evaluating the condition of the door and frame to determine whether additional reinforcement is needed, and mounting the new hardware at the correct height with the bolt aligned precisely to the strike plate so the door latches without gaps or excessive force. Modern deadbolts with one-inch throw lengths anchor into reinforced strike plates secured with three-inch screws that penetrate through the door frame into the structural framing behind it, which distributes force across a much larger area when someone attempts to force the door open.


Schedule an installation consultation to discuss hardware options that match your property layout and security objectives.

What Changes After Professional Lock Installation

Proper installation means the bolt extends fully with a single smooth turn of the key, the strike plate holds the bolt securely without rattling or visible gaps, and the lock engages reliably every time without requiring you to lift or push the door into alignment. Three-inch mounting screws anchor the strike plate deep into the structural frame rather than just the thin trim molding, which means the lock can resist several hundred pounds of force before the frame begins to splinter. Electronic locks mount flush against the door with wiring routed cleanly through pre-drilled channels so no loose cables hang below the hardware or interfere with the door's operation.


You'll notice the key turns without requiring excessive force or precise angles, the door closes smoothly and latches on the first attempt, and the deadbolt extends without grinding or sticking partway through its travel. Backup mechanical keys function correctly even when electronic systems lose battery power, and all provided keys operate identically without one working better than the others. Door aesthetics improve when the new hardware matches the finish of existing handles and hinges rather than clashing with the overall design.


Installation options range from traditional keyed deadbolts and handlesets to smart locks with keypad entry, Bluetooth connectivity, and temporary access codes that expire automatically after a set time period. The hardware you select depends on whether you prioritize mechanical simplicity with no batteries or electronic components to fail, or the convenience of keyless entry and remote access monitoring through smartphone integration.

Questions Before Starting Your Project

Homeowners preparing for lock installation often ask about hardware selection, door compatibility, and what the work includes beyond just mounting the lock.

  • What's the difference between a deadbolt and a spring latch?

    A deadbolt requires manual turning of the key or thumb turn to extend and retract, and it stays locked until deliberately unlocked, which prevents bypass using credit cards or shims. Spring latches retract automatically when the door closes and can often be forced open by sliding thin objects between the door and frame, which makes them suitable only for interior privacy doors rather than exterior security applications.

  • How do I know if my door can support a new lock without reinforcement?

    Solid wood or steel doors typically handle any standard residential lock without additional support, but hollow-core interior doors and thin metal doors may need reinforcement plates installed on both sides to distribute the lock's weight and prevent the mounting holes from enlarging over time. Larchmont Lock & Key evaluates door thickness and material during installation to determine whether reinforcement is necessary before mounting the hardware.

  • Why do some locks cost significantly more than others?

    Higher-security locks use hardened steel bolts that resist sawing and cutting, more complex internal pin configurations that prevent picking, and reinforced housings that protect against drilling attacks, all of which increase manufacturing costs compared to basic residential-grade hardware. Electronic locks add costs for keypads, circuit boards, wireless connectivity modules, and battery compartments that mechanical locks don't require.

  • What maintenance does a newly installed lock need?

    Annual application of graphite lubricant keeps internal pins moving smoothly, periodic tightening of mounting screws prevents the lock from loosening as the door expands and contracts, and battery replacement every six to twelve months maintains electronic lock functionality before power runs low enough to cause operational problems. Avoiding oil-based lubricants prevents dust accumulation that eventually gums up the internal mechanism.

  • Can new locks be installed on doors that currently have different hole sizes?

    Many modern locks include adjustable faceplates and backsets that accommodate existing holes without requiring new drilling, though switching between significantly different lock styles may leave visible gaps or exposed wood that needs patching and refinishing. In Los Angeles homes with older door hardware, enlarging existing holes or filling and re-drilling sometimes becomes necessary to properly mount current-generation locks.

Larchmont Lock & Key installs residential locks throughout Los Angeles for properties where hardware upgrades address security concerns, access control changes, or the replacement of failing components. Contact the team to review your door hardware needs and schedule installation that improves both security and convenience.