How to Create a Master Key System for Your Sacramento Business
A well-designed master key system lets your team access exactly what they need — and nothing more. Here's how they work and what to ask your locksmith.
What Is a Master Key System?
A master key system (MKS) is a hierarchy of keys where:
- Grand master key: Opens every lock in the building
- Master key: Opens a subset of locks (e.g., all offices on floor 2)
- Change key: Opens only one specific lock (e.g., an employee's private office)
This lets you give employees appropriate access without duplicating dozens of keys.
Why Sacramento Businesses Need One
Without a master key system, most small businesses end up with:
- Staff carrying 4–8 keys on their ring
- No way to quickly revoke access when an employee leaves
- Managers needing separate keys for every space they oversee
How Master Key Systems Are Designed
A professional locksmith maps your building's access zones:
- Identify zones: Which doors need to be grouped?
- Define hierarchy: Who needs access to what?
- Select hardware: High-security cylinders (Medeco, Mul-T-Lock, Abloy) resist picking and copying
- Key control: Restricted keyways mean keys can't be copied at a hardware store without authorization
Combining with Electronic Access Control
For businesses that need an audit trail — knowing exactly who entered what room at what time — we often recommend pairing a mechanical master key system with electronic access control on high-security zones.
Cost Range
A basic master key system for a small office (10–20 locks) typically runs $800–$2,500 depending on the security grade and hardware chosen. BestBoy Locksmith provides free consultations for Sacramento businesses.
Call 916-999-5576 or book a site survey online.