Rekeying your locks for new keys
Keep the locks you have and retire the old keys. Cairn rekeys suitable home and business locks throughout the Las Vegas valley.
- Existing lock hardware stays in place
- Old keys stop working after rekeying
- Every new key tested before we leave
Answered day and night
A Cairn dispatcher answers every day of the year.
Licensed and insured
Employee technicians carry photo ID and a police work card.
Your price comes first
Approve the written price on a tablet before work begins.
A clean start without new hardware
Rekeying changes which keys operate a lock. These are the situations where changing the keys makes more sense than changing the hardware.
Moving into a new home
Start with keys issued to your household instead of relying on the copies handed out before you moved in.
Keys lost or stolen
Change the key combination inside the lock so the missing keys no longer operate it.
Someone kept a copy
A former roommate, contractor or tenant may still have a key. Rekeying lets you issue a different set.
Between rental residents
Have the entry locks rekeyed between occupants and give the incoming resident keys assigned to that tenancy.
Changes in business staff
When an employee with a business key leaves, rekey the affected cylinders and issue keys to current authorized staff.
Too many keys for your doors
Compatible locks can sometimes be set to operate with one key, reducing the number you carry.
What happens inside each lock
A rekey changes the lock's internal key combination, not its appearance. Our technician completes the work and checks the result at the door.
The cylinder is reset
The technician disassembles the cylinder and changes its internal pins to accept the new key instead of the old one.
New keys are cut
Replacement keys are cut for the new combination and counted out to you, so you know how many are in circulation.
Every key gets checked
You and the technician test each new key in every lock it should operate, including checking that the door latches and locks.
The hardware is inspected
We check how the lock operates and point out worn parts or low-grade hardware that rekeying will not improve.
Keep the lock or replace it
The condition of the lock matters more than its age alone. Here's what each service accomplishes.
Rekeying
Rekeying is the practical choice when the existing lock is working properly and you only need to change which keys operate it.
- Keeps the existing lock and finish
- Changes the internal key combination
- Leaves the lock's security grade unchanged
- Requires a cylinder that supports rekeying
Replacement
Replacement makes sense when the hardware itself needs attention or you want a different style, finish or level of security.
- Replaces worn or damaged hardware
- Addresses corroded or low-grade locks
- Allows a different style or finish
- Allows an upgrade to a smart lock
Inspection determines which option suits each door. Some cylinders cannot be rekeyed, and a new key combination will not repair a failing lock.
One key for several doors
One key for several doors
Carrying a separate key for the front door, back door and garage entry gets old. Where the cylinders have a compatible keyway, Cairn can rekey those locks to accept the same key. You keep the separate locks, but one key operates the doors you choose.
Compatibility comes first. Different lock brands often use different keyways, so their keys cannot be made interchangeable by rekeying alone. We inspect the cylinders, identify which can share a key and explain whether any hardware would need replacing before proceeding.
- One key can serve compatible entry locks
- Each cylinder is checked for keyway compatibility
- Incompatible hardware is identified first
Rekeying for different properties
The same cylinder work can serve a single house, a rental turnover or a larger property with controlled staff access.
Rental property rekeying
Rental property rekeying gives incoming residents a new set of keys, with lock changes approved by the owner or manager.
Learn moreCommercial rekeying
Commercial rekeying updates access for offices and other workplaces when staff or authorized keyholders change.
Learn moreHigh-security locks
Restricted keys use a patented keyway that prevents copies from being made at hardware stores or kiosks.
Learn more
How we price a multi-lock rekey
Rekeying is charged by cylinder, not simply by door. The technician checks the hardware before giving you the complete written price.
The starting charges
Rekeying is $22 per lock cylinder, plus a separate $39 service call fee for travel and inspection inside the service area.
Number of cylinders
A door with a keyed knob and a separate deadbolt has two cylinders. Both count if you want both rekeyed.
Condition of the locks
A worn or damaged cylinder may need repair or replacement rather than a standard rekey. The technician identifies this during inspection.
Additional copies
The number of extra keys affects the price, and each additional copy is listed on the written price you approve before work starts.
When the work is done
A $45 after-hours fee applies from 9 PM to 7 AM, on Sundays and major holidays.
Approval before work
Every charge appears on the written price before work starts. If the scope changes, we stop and get approval for the revised amount.
How we rekey and test your locks
We give you the $39 service call fee and a price range over the phone. After inspecting your locks, the technician presents a written price for your approval before starting work.
Tell us about the doors
The dispatcher asks for the address, lock type, number of doors and reason for rekeying, then explains the service call fee and expected price range.
Meet the technician
A technician arrives in a marked van with photo ID and a work card. We verify your identity and authority to approve changes to the locks.
Review the written price
After inspecting the cylinders, the technician lists the work and charges on a tablet. Nothing begins until you approve the price.
Test and hand over the keys
We complete the rekey, test the locks with you and hand over the new keys. Your itemized invoice lists the service call, labor and any parts.
A new home deserves your own keys
If you've recently closed on a house or moved into one, this offer makes it easier to rekey several entry locks during the move.
New home
$20 off your new home rekey
Save $20 when you have four or more locks rekeyed within 60 days of closing or moving into your new home.
Offer expires 31 December 2026. One offer per job, cannot be combined with other offers. Mention the new home offer when you call.
“We had the locks rekeyed after moving into our house in Summerlin. The technician checked the cylinders before starting and showed us the written price. Once the work was finished, we tried each new key in the doors together. Everything operated as it should.”
Rachel M.
Questions before changing your keys
The answers depend on the cylinders you have, how many keys you need and whether the existing hardware is still working properly.
Call (702) 000-0000All questionsWill my old keys still open the locks after rekeying?
No. Rekeying changes the internal pins so the old keys no longer operate that cylinder. We test the replacement keys with you before finishing.
Do I need to replace the whole lock to get new keys?
Not if the existing cylinder supports rekeying and the hardware is in good working condition. If the lock is worn, corroded or damaged, the technician may recommend replacement after inspection.
Can you make my front and back doors use the same key?
Yes, when the locks have compatible keyways. Different manufacturers may use keyways that cannot share a key, so the technician checks compatibility before quoting the work.
How much would it cost to rekey four locks?
Rekeying costs $22 per lock cylinder, plus a separate $39 service call fee. A deadbolt and knob on the same door count as two cylinders. The technician inspects the locks and presents the complete written price, including any additional work or applicable fees, for your approval before work begins.
Can you rekey my rental after a tenant moves out?
Yes. We rekey rental properties between residents with the owner’s or property manager’s approval. The technician verifies who is authorized to request the lock changes before starting.
Can I have the locks rekeyed if I lost every key?
Yes, emergency rekeying is among the services we dispatch for lost keys. The technician checks the lock and confirms your authority over the property before deciding what work is possible.
Is rekeying work backed by a warranty?
Cairn provides a 12-month workmanship warranty on rekeying labor. If a lock stops working correctly because of our work, a technician returns to fix it at no charge. Damage from forced entry and doors or frames that shift or swell are excluded.
Keep your existing locks, change who has keys
Cairn rekeys suitable locks across the Las Vegas valley. Call for urgent key changes, or use the request form for planned work during office hours.