Master Key Systems Guide | NYC Properties

Master key systems are essential for NYC apartment buildings, commercial properties, and multi-tenant facilities. At Prime Locksmith New York, we design and install custom master key systems for properties of all sizes.

What is a Master Key System?

A master key system allows multiple locks to be opened with different keys while a single master key can open all locks. This hierarchical access system is ideal for buildings where different people need different levels of access.

Types of Master Key Systems

**Simple Master Key System:** One master key opens all locks, while individual keys open specific locks. Best for small apartment buildings.

**Grand Master Key System:** Multiple levels of access with grand master, master, and individual keys. Ideal for large commercial properties.

**Great Grand Master Key System:** The most complex system with multiple hierarchical levels. Used in large institutions and corporate campuses.

Benefits of Master Key Systems

Enhanced security with controlled access, convenience of fewer keys to carry, easy rekeying when tenants change, scalable for property expansion, and improved property management efficiency.

NYC Properties That Benefit

Apartment buildings, office buildings, commercial complexes, schools and universities, hospitals and medical facilities, and industrial facilities.

Installation Process

We assess your property and access needs, design a custom master key system, install new locks or modify existing ones, test all key combinations, and provide documentation and spare keys.

Cost Considerations

Master key system costs vary based on the number of locks, complexity of the hierarchy, type of locks used, and property size. Typical range: $200-$500+ for design and setup, plus $50-$150 per lock.

Contact Us

For master key system design and installation, call (347) 557-6988.