Master Key Systems San Antonio
Master Key System Installation San Antonio
S.A. Locksmith & Security designs and installs professional master key systems in San Antonio, Texas and surrounding areas including Alamo Heights, Stone Oak, The Dominion, Helotes, Converse, Schertz, Cibolo, New Braunfels, and Boerne. Control access across multiple doors with a single master key while each door keeps its own individual key. Ideal for multi-unit residences, property managers, and homeowners with multiple locks. Call (210) 348-3677.
What We Do
A master key system allows a hierarchy of key access — a master key opens all locks, while individual change keys only open specific doors. S.A. Locksmith & Security designs standard master key systems, grand master systems (multi-level hierarchy), and construction master key systems. We reconfigure existing locks or install new locks into a master key system. Ideal for property managers, landlords, HOAs, and homeowners with many entry points. We support Schlage, Kwikset, Medeco, Sargent, and other pin-tumbler lock brands.
How It Works
- Step 1: Design Consultation — Call (210) 348-3677 — we map out which doors need individual keys and which need master access.
- Step 2: System Design — We create a key hierarchy chart showing master, sub-master, and individual key assignments.
- Step 3: Installation/Rekey — We rekey or install all locks to the master key system specification.
- Step 4: Key Distribution — You receive the master key(s) and individual keys, each labeled by door.
Properties We Service
Multi-unit residences, rental properties, duplexes, apartment buildings, property management portfolios, HOA common areas, and large homes with many entry points.
Why Choose S.A. Locksmith & Security?
- Custom Key Hierarchy Design
- One Master Key Opens All Doors
- Individual Keys for Each Lock
- Works with Existing Locks
- Licensed & Insured
- Same-Day Service
- All Major Lock Brands
- Free Consultation
Other Residential Products
- → Burglary Damage Repair San Antonio
- → Custom Lock Installation San Antonio
- → Deadbolt Locks San Antonio
- → Door Knob Repair San Antonio
- → Fence Gate Locks San Antonio
- → Garage Door Locks San Antonio
- → High Security Locks San Antonio
- → Home Lockout
- → Installing Window-Doors
- → Key Duplication San Antonio
- → Lock Change San Antonio
- → Lock Installation San Antonio
- → Lock Repair San Antonio
- → Mailbox & File Cabinet Locks San Antonio
- → Peephole Installation San Antonio
- → Rekeying Locks San Antonio
- → Residential Lock Brands San Antonio
- → Safe Cracking San Antonio
- → Sliding Door Locks San Antonio
- → Smart Locks San Antonio
Frequently Asked Questions
Master key systems cost $30-$50 per lock to configure, plus a design fee for complex systems. Call (210) 348-3677 for a quote.
Yes, in most cases. We rekey your existing pin-tumbler locks to accept a common master key while maintaining individual keys.
A properly designed master key system is secure. The individual keys cannot open other locks in the system. However, for maximum security, we recommend Medeco or restricted keyway locks.
Systems can have multiple levels: grand master, master, sub-master, and individual keys. We design systems based on your specific access control needs.
Yes. We document the system so new locks can be added to the same key hierarchy at any time.
Related Brands We Service
We are authorized service providers for these leading brands:
Request a Locksmith
S.A. Locksmith & Security is a full-service, 24/7 locksmith located in San Antonio serving the greater SA area. No project is too big or too small — call us anytime for a free estimate.
We Accept All Major Credit Cards
- 24/7 Emergency Service — day or night, we are here
- Licensed & Insured — Texas DPS License #B17236
- Free Estimates — transparent, upfront pricing
- 15-Minute Response — fast arrival anywhere in SA
- Satisfaction Guaranteed — 90-day warranty on all work
S.A. Locksmith & Security — Licensed (LIC# B18010), Insured, BBB A+ Accredited. Serving San Antonio since 2009 with a 90-day warranty on all work. No-damage guarantee. Average response time under 20 minutes. 10% Military & Veteran Discount — show valid military ID at time of service.
Need Master Key Systems in San Antonio?
Contact S.A. Locksmith & Security for professional residential locksmith service. Licensed, insured, and available 24/7.
★★★★★ 4.9 / 5
1000+ Five-Star Reviews on Google, Yelp & BBB
“Fast, professional, and fair pricing. Best locksmith in San Antonio!” — Maria G.
Read All Reviews →