Lock Repair & Installation

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Residential & Commercial Locksmith Services

A2Z Locksmith & Door Repair provides professional lock repair and lock installation services throughout Manhattan and New York City. We work with residential and commercial clients to restore security, functionality, and reliability—focusing on repair whenever possible to help customers avoid unnecessary replacement costs.

Locks rarely fail suddenly. Most problems develop over time due to wear, misalignment, improper installation, or environmental factors. Our experienced technicians diagnose the issue accurately and recommend the most effective solution based on security, budget, and long-term reliability.

When Do You Need Lock Repair?

You may need professional lock repair if you notice:

Keys sticking, jamming, or turning roughly
Loose or shifting lock hardware
Locks that require excessive force to operate
Difficulty locking or unlocking the door
Worn internal components
Mortise locks no longer aligning properly
Locks affected by age, rust, or repeated use

Addressing these issues early can prevent full lock failure and maintain door integrity.

Residential Lock Repair & Installation

We service all types of residential properties across NYC, including apartments, condos, townhouses, and brownstones.

Residential services include:

Our goal is to restore smooth operation while maintaining the original door and hardware whenever possible.

Commercial Lock Repair & Installation

Commercial locks face heavier usage and stricter safety requirements. We provide reliable locksmith services for offices, storefronts, and multi-unit buildings.

Commercial services include:

We understand the importance of minimizing downtime and maintaining secure access for employees and customers.

Brands We Repair & Install

A2Z Locksmith & Door Repair services and installs a wide range of residential and commercial lock brands commonly used throughout New York City, including:

We work with both standard and high-security lock systems, focusing on proper repair, rekeying, and replacement only when necessary.

Repair vs. Replacement

Honest Recommendations

Not every lock needs to be replaced. In many cases, professional repair restores full functionality at a lower cost.

We recommend replacement only when:

This repair-first approach saves money and preserves existing doors and hardware.