Skip to main content
Cardinal Lock & Key Real prices · Durham, NC

Commercial & master keys

Commercial locks, master keys and access control

Offices, shops, churches and rental buildings need more than a lock on each door. They need a plan for who opens what. We survey, draw it on paper, and price it before any parts are ordered.

  • from $110
  • price in writing first
  • 90-day warranty
Hand holding a key card up to a wall-mounted access-control reader at an office door

from the price book

What it costs

All-in daytime totals, trip fee and labor included. Evenings add a flat $40; overnight, Sundays and holidays add $85.

  • Commercial lockout $110–$160
  • Grade 1 lever lockset, supplied + installed $265–$340
  • Panic or exit-device hardware $380–$650
  • Keypad access control, single door starting price, scoped on site from $425
  • Desk, cabinet & mailbox locks $65–$95
  • Master-key system design + install survey first, priced on paper before any work from $450 · survey first

worked example

A three-door office refit

Grade 1 lever lockset × 3, supplied + installed $795–$1,020

Keyed alike, four keys per door included

Daytime total $795–$1,020

Every job includes

  • Key-control chart delivered with every master-key system
  • Code-compliant exit hardware only. We won't install a lock that traps people.
  • Net-30 invoicing for account customers
  • A firm price in writing before any work starts
  • 90-day workmanship warranty on every job. 12 months on hardware we supply.

told straight

Anyone quoting a master-key system over the phone is guessing. We survey the doors, design the chart and price it in writing. Then you decide.

is this you?

When people call us for this

how the job goes

Four steps, and the price comes first

  1. step 01

    Free 30-minute survey

    We walk every door with you and list what each one has and needs.

  2. step 02

    A key chart on paper

    Who opens which door, drawn as a simple chart. You approve it before we price it.

  3. step 03

    A fixed written price

    Parts, labor and timeline in writing. Account customers can pay net-30.

  4. step 04

    Installed around your hours

    We can work before you open or after you close. Evening work uses the same flat adder from the price book.

from the review link on every invoice

What customers said

Rated 5 out of 5

Storefront lever lockset
“They put the ANSI grade of the hardware on the quote, which no other shop I called would do. Install was clean, and they re-hung the door closer while they were at it without charging extra.”
Gene H. · Duke Park · April 2026

Rated 5 out of 5

Office master-key survey
“They refused to quote our 14-door master system over the phone, which annoyed me for about a day. Then the paper design showed two doors we didn't need to touch. Final price came in under the ballpark I had from a chain.”
Sam T. · Downtown Durham · January 2026
Read all ten reviews →

straight answers

Questions about commercial & master keys

How long does a master-key project take?

A small office of 10 to 15 doors usually takes one survey visit and one install day. Bigger buildings get a written timeline along with the price.

Can you add keypad or card access to one door?

Yes. Single-door keypad access starts at $425, scoped on site. If a simpler lock would do the job, we'll say so.

Do you offer business accounts?

Yes. Account customers get net-30 invoicing, one point of contact, and a key-control chart we keep up to date.

All twelve answers →

Other services, same price book

Open the full price book →

no bait · no switch

Book a free 30-minute door survey.

Tell us what you need and you'll hear the range from this page, plus the arrival window. The tech confirms a firm number in writing before any work starts.

Mon to Sat, 8 am to 6 pm · lockout line answered 24/7

Fictional sample site by SearchPod