Plan ahead Commercial · Aurora
Master Key System Design
A new hire at the shop gets handed whatever spare key happens to be in the drawer, and it turns out to open the stockroom, the back office and the safe room all at once. The owner realizes nobody actually decided who should open what.
Call now · open 24/7(289) 802-6293In plain words
In a building shared by several tenants, departments or contractors, master key system design draws a clear line between who needs a broad master and who needs a single change key for their own door. Cleaners, maintenance staff, department heads and the owner typically sit at different levels, and the hierarchy is built to reflect that rather than to make life easier for whoever is issuing keys that week. The chart that results shows every level at a glance, which makes it far simpler to answer a basic question: who can currently get into this room.
How the visit goesA property manager taking over a small commercial building inherits a shoebox of keys with no labels and no chart. Some open the mechanical room, some open vacant units, and a few do not seem to match anything currently on the property at all.
Master Key System Design · Aurora
How the visit goes
- 1
What a shared or multi-tenant building already has in place
Where the property sits inside a larger building, the check looks at what is already shared: a condominium corporation's own lobby or garage system, a landlord's building-wide master, or another tenant's separate keying. The new hierarchy is designed to sit alongside those systems rather than to cut across them, so a tenant's own suite keeps its own private levels while common areas continue to answer to whoever already manages them. Sorting this out first avoids designing a system that quietly conflicts with access someone else controls.
- 2
Marking and cutting the actual keys
Keys are cut to the bittings set out in the key schedule and marked in a way that identifies the holder's role or level rather than the door or address it opens, so a key found on its own gives away as little as possible about the building it belongs to. Quantities match what was agreed during the assessment, with each one logged by serial against the person or role receiving it. Blanks for a restricted keyway are cut only against the owner's authorization, keeping future duplication inside the same controlled record.
- 3
Care that keeps the hierarchy intact
A little routine care keeps a master key system working the way it was designed. Cylinders should get whichever lubricant the cylinder maker actually recommends, since that varies by manufacturer and some rule out graphite while others call for a light oil, and a key that starts needing a wiggle is worth attention before it is forced or breaks off. None of this maintenance touches the pinning itself, so the hierarchy stays exactly as documented on the chart through years of ordinary use.
In the van
- Plug follower and key gauge
- Master pin kits
- Bench test fixture
- Key marking tools
- Change and master keys
What affects the quote
- 1
Working around an occupied, operating property
Rekeying doors in a planned sequence so a business keeps operating throughout, rather than all at once, takes coordination with the owner's schedule. Properties that need this staged approach, with interim arrangements for doors mid-conversion, add planning time beyond a straightforward, all-at-once installation.
- 2
Electronic locks alongside mechanical keys
Where keypad or card doors need to line up with the mechanical hierarchy, the quote includes the extra coordination of matching access levels across both systems and pinning any mechanical override cylinders into the same chart as the rest of the property.
- 3
Number of doors and levels involved
A single office with one change key and no sub-master is a simpler project than a multi-floor property with several departments and a top-level master. The quote reflects how many doors are assessed, how many levels are designed, and how many cylinders are pinned to match those levels.
Same fees day, night or weekend.
Master Key System Design: questions
What is the difference between a master key and a sub-master?
A sub-master sits below the top level and opens a defined group, such as one department or one floor, without opening doors outside that group. The top-level master sits above every sub-master and opens everything in the system. Most properties need only one or two sub-master levels; adding more than the business genuinely uses just makes the chart harder to manage without adding real convenience.
Can key duplication be restricted so copies cannot be cut elsewhere?
Yes. With a restricted or patented keyway, blanks are only available through the manufacturer's authorized record, so a copy is not cut at an ordinary hardware counter without going through that channel. This does not make a key impossible to duplicate, but every legitimate copy passes through a record the owner controls, which a standard keyway cannot offer.
Can different lock brands be mixed in one master key system?
Sometimes, but it depends on the keyway and pinning platform each brand uses; some are compatible with one another and some are not. Where a mix already exists on a property, the assessment identifies which cylinders can be brought into a single hierarchy and which need replacing with a matching platform so every level pins correctly across the whole set of doors.
York, Ontario
Aurora information
- Town
- Aurora, York, Ontario
- In business
- 13 years
- Hours
- Open 24/7 · nights, weekends and holidays, same fees
- Phone
- (289) 802-6293
- Visits
- On-site assessment preferred. Request a visit or call.
What the census means at the door
22%
Newer homes. About 22% of homes in Aurora were built in 1980 or earlier, according to the 2021 Census.
Households in newer homes are often keen on keypads, fobs and phone-controlled locks. Standard doors make installation straightforward, and the locksmith spends more of the visit setting codes and pairing devices than on carpentry.
60%
Mostly houses. Single-detached houses make up about 60% of homes in Aurora (2021 Census).
Garage entry doors on detached houses are often the household's real front door, used more than the formal entry. They deserve the same quality of lock, and keying them alike with the house means one key does the whole daily routine.
Open 24/7
Request a visit
A new hire at the shop gets handed whatever spare key happens to be in the drawer, and it turns out to open the stockroom, the back office and the safe room all at once.
Call now · open 24/7(289) 802-6293- On-site assessment preferred
- Same fees day, night or weekend
- 13 years in business