Multi-Door Access Specialists

Master Key
Systems
Design & Install

One key for management, individual keys for each area. We design and install layered master key systems for offices, apartment buildings, HOAs, and multi-unit properties across South Florida.

Custom Key Hierarchy Design

Restricted Keyways

Offices & Multi-Tenant Buildings

HOA & Apartment Complexes

Expandable As You Grow

Licensed & Insured

(954) 420-7121 (866) 898-8486

Get a Free Master Key Consultation

On-site assessments available -- written quotes same day

No Obligation Fast Response Best Price

Designed For

Any Size

1 Door to 100+

Master Key Systems

One Key For You,
Individual Keys For Everyone Else

A master key system lets you carry one key that opens every door on your property, while employees, tenants, or staff each get keys limited to only the areas they need. It's the standard for offices, apartment buildings, HOAs, and any multi-door property.

We design the key hierarchy around how your property actually operates, install restricted-keyway hardware to prevent unauthorized duplication, and provide documentation so future changes stay simple.

Custom Key Hierarchy

Multiple access levels designed around your building's actual layout.

Licensed & Fully Insured

Every technician carries credentials and our work is fully insured.

Restricted Keyways

Keys that can't be duplicated at a hardware store without authorization.

Built To Expand

Add doors and access levels later without redesigning the whole system.

Call Now View All Services

Our Services

Master Key Solutions For
Every Property Type

From single offices to full multi-tenant complexes across South Florida.

Key Hierarchy Design

We map out your property and design a layered system -- grand master, master, sub-master, and change keys -- to match how access should actually flow.

Custom Design Multi-Level On-Site Survey Written Plan

Design My Key System

Office Building Systems

Give management full-building access while individual departments or tenants only open their own suites.

Offices Suites Departments Scalable

Set Up Office Master Keys

Apartment & HOA Systems

Property managers carry one key for every unit while residents keep exclusive access to their own doors.

Multi-Unit HOAs Property Managers Resident Privacy

Set Up Property Master Keys

Restricted Keyway Systems

Medeco, Mul-T-Lock, and ASSA ABLOY restricted keyways prevent unauthorized duplication at any hardware store.

Medeco Mul-T-Lock ASSA ABLOY No Unauthorized Copies

Upgrade to Restricted Keys

Key System Documentation

Full records of every key level and holder, so future rekeys, additions, or audits stay simple and organized.

Written Records Audit-Ready Future-Proof Organized

Document My System

System Expansion

Already have a master key system? We can expand it to new doors, buildings, or tenants without starting over.

Add Doors Add Buildings No Redesign Fast Turnaround

Expand My System

Call Now -- (954) 420-7121

How It Works

Understanding
Key Hierarchy

Every master key system is built in layers. At the top, a grand master or master key opens everything. Below that, sub-master keys open groups of related doors. At the bottom, individual change keys open only one door each.

Get My Property Assessed

Why Property Owners Choose Master Keying

Carry One Key Instead of Dozens

Management and maintenance staff access every door with a single key.

Preserve Individual Privacy

Tenants and employees still only open the doors assigned to them.

Simplify Maintenance Access

Vendors and maintenance crews get exactly the access level they need.

Restricted Duplication

Restricted keyways prevent copies being cut without your authorization.

Scales With Your Property

Add units, tenants, or buildings without rebuilding the whole system.

How It Works

Master Key Systems
From Call to Complete

Step 01

Call or Request Quote

Tell us your property type and approximate door count -- we'll schedule an on-site assessment.

Step 02

On-Site Key Design

Our specialist walks your property and designs a key hierarchy matched to how access should flow.

Step 03

Approve the Quote

You receive a written, itemized quote before any hardware is installed.

Step 04

Install & Document

We install every lock, cut every key, and hand you full documentation of the system.

Real Properties.
Real Results.

      EXCELLENT  
   Based on 43 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   AbeThaKid 
 June 21, 2026.
 
 
 Trustindex verifies that the original source of the review is Google. Best service in broward 💯
  
 
      Posted on Google  
   
   Vanessa Nunes Pereira 
 March 14, 2026.
 
 
 Trustindex verifies that the original source of the review is Google. had an excellent experience with Fine Locksmith in Pompano Beach. Their team was professional, quick, and really went above and beyond to help me out. I highly recommend them if you need any locksmith services!
  
 
      Posted on Google  
   
   Ashik Sarkar 
 March 11, 2026.
 
 
 Trustindex verifies that the original source of the review is Google. Fine Locksmith USA provides fast and professional locksmith services. The technician was friendly, skilled, and arrived quickly when I needed help. They solved my lock problem efficiently and the price was fair. I’m very satisfied with their work.I would highly recommend if anyone is interested please contact them.
Thank you!
  
 
      Posted on Google  
   
   LNMT Properties 
 March 7, 2026.
 
 
 Trustindex verifies that the original source of the review is Google. Quick, reliable and professional!
  
 
      Posted on Google  
   
   Mary Westcoat 
 March 3, 2026.
 
 
 Trustindex verifies that the original source of the review is Google. Tom was amazing!  I called because I locked myself out of my bedroom.  The response time was incredibly fast!  Definitely professional, courteous, and extremely knowledgeable.  The price couldn't be beat!  I would recommend them to everyone!
Thank you Tom!
  
 
      Posted on Google  
   
   rahel tzifani 
 March 2, 2026.
 
 
 Trustindex verifies that the original source of the review is Google. A very good Customer service.
  
 
      Posted on Google  
   
   DR CEM (DR CEM) 
 February 24, 2026.
 
 
 Trustindex verifies that the original source of the review is Google. Very quick, friendly and professional ..thank you!
  
 
      Posted on Google  
   
   Kathryn Loggie 
 February 18, 2026.
 
 
 Trustindex verifies that the original source of the review is Google. Competent and efficient
  
 
      Posted on Google  
   
   Joan Oksenhendler 
 February 6, 2026.
 
 
 Trustindex verifies that the original source of the review is Google. Their response was prompt and quote was thorough with no surprises.  The technician was on time, very knowledgeable and though it was a difficult fit, he made it work perfectly.
  
 
      Posted on Google  
   
   Jose Coronel 
 December 23, 2025.
 
 
 Trustindex verifies that the original source of the review is Google. Excellent service. On time and very knowledgeable.