Master Key Systems in Puerto Rico | Professional Access Control
What is a master key system?
A master key system (master keying) allows a single key to have access to multiple locks, while other keys maintain limited access to specific areas.
This system is ideal for commercial buildings, offices, condominiums, schools, and multi-family properties , where organized access control is required.

How does dog training work?
• Each lock has a specific combination
• Individual keys open only designated areas
• The master key opens multiple locks
• Hierarchical access levels can be created
Types of master key systems
Basic system
One master key and several individual keys.
Hierarchical (multi-level) system
Different levels of access depending on areas or personnel.
Grandmaster system
Total control over multiple levels and buildings.
Related services
Master key system design
Rekey and cylinder configuration
Installation of compatible locks
Key control and organization
System maintenance
Benefits of taming
• Full access control
• Increased property security
• Reduction in the number of keys required
• Efficient organization by areas
• Ideal for businesses and institutions
When do you need a master key system?
• Buildings with multiple offices or units
• Properties with employees or staff
• Condominiums or rentals
• Businesses that require access control
How is the system implemented?
• Property valuation
• Access scheme design
• Cylinder and key configuration
• System delivery and testing
Do you need to organize access to your property?
At ServicioCerrajero.com , we have over 40 years of experience designing efficient security systems in Puerto Rico.
📞 Call us at 787-664-8885 and receive professional advice.
