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Two loose cam locks and a retaining clip resting below an open metal mailbox compartment. — Mailbox Lock Replacement, Rexdale

Change or rekey · Rexdale

Mailbox Lock Replacement in Rexdale

You've just moved in, and the mailbox compartment in the lobby came with a single key the previous owner mailed back separately, or never handed over at all. As far as anyone can tell, the lock still answers to a stranger's key.

Call now · open 24/7(289) 804-8591

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In plain words

Small outdoor cam locks take a beating over a Canadian winter: road spray, salt, and repeated freezing leave the keyway gritty and the cylinder stiff long before the metal actually fails. Replacement at that point is straightforward, since the lock is a self-contained unit that unscrews from inside the compartment door. The new cylinder goes in following its own maker's lubrication instructions from day one, and a couple of fresh keys mean the whole assembly turns smoothly again.

Sound familiar?

Someone tried to pry the little door on the mailbox open with a screwdriver, and though the mail sitting inside is untouched, the lock now sits crooked in its hole and the key barely catches when it is turned.

How the visit goes

Mailbox Lock Replacement · Rexdale

How the visit goes

Technician kneeling with a yellow cordless drill at the latch plate of a black door, a tool bag on the porch. — Rexdale
  1. 1

    Measuring the cylinder

    The cylinder is measured from the face that sits flush with the compartment door to the back of the housing, and that length has to match the thickness of the material it passes through. Diameter matters just as much, since the hole already cut in the door will not change to fit a lock that is slightly too wide or too narrow. A tape measure and the old lock, still in hand, settle both numbers before a replacement is chosen, which is what keeps a swap to a single short visit.

  2. 2

    Fitting a matched replacement

    The replacement cylinder is chosen to the length and diameter measured earlier, with a cam selected for the same throw and orientation as the one just removed. It is slid into the compartment door from the front, the cam is set in the same position the old one held, and the retaining nut or clip is tightened from inside. Before anything is called finished, the door is closed and the key turned several times, checking that the cam swings clear going in and catches the frame firmly coming out.

  3. 3

    Knowing who to call next time

    After this visit, it helps to remember which kind of mailbox is on the property. A private box, a house's mail slot, or one compartment in a building's own panel is this service's territory going forward. A mailbox serving a whole street belongs to the postal operator, which issues its own replacement keys and handles its own lock problems directly, so a future issue with that kind of box is a call to them rather than a repeat visit here.

In the van

  • Lock de-icer
  • Cam lock cylinder
  • Drill and drilling guide
  • Penetrating lubricant
  • Wafer tumbler pick set

What affects the quote

  1. 1

    Corrosion or ice

    A lock stiffened by rust or frozen solid needs patient freeing before it can even be assessed, which adds time compared with a lock that opens and closes normally.

  2. 2

    Residential or commercial setting

    A house or apartment mailbox and a business mail slot use similar hardware, but a commercial compartment sometimes involves additional decision-makers or a different schedule for access.

  3. 3

    Any additional hardware requested

    Some households ask for a small parcel locker upgrade or a second compartment added to the request while the locksmith is already there, and each addition is its own line beyond the original lock swap.

Same fees day, night or weekend.

Have it ready

Before you call · 0 / 3

(289) 804-8591

Mailbox Lock Replacement: questions

Advice · (289) 804-8591

Will you drill my mailbox lock, and does that damage the compartment?

Drilling is kept as a last resort, used only when the lock is seized, the key is gone, or an earlier attempt has already damaged the mechanism, and it is explained before it starts. The drill is aimed precisely at the lock itself, so the compartment door around it is left alone, and a new lock is fitted during the same visit so the compartment is never left standing open.

Can you service a community mailbox that the postal operator installed on our street?

That particular kind of mailbox is owned and serviced directly by the postal operator, including its locks and replacement keys, so a resident with a lost key there contacts them rather than a locksmith. This service covers mailboxes that belong to a home, a business, or a condo or apartment building, such as a lobby panel or a slot built into a house door.

Can a frozen mailbox lock be opened without breaking it?

Usually, yes. A penetrating lubricant or a lock de-icer given a little time to work, combined with gentle movement of the key or a light pick, frees most iced-up compartment locks without forcing anything. Hot water is avoided, since it can refreeze inside the mechanism. Once it turns freely, the lock is inspected and, if it shows wear or damage, replaced with a fresh one lubricated as its own maker specifies, since a lock that has frozen once can repeat the pattern.

Toronto, Ontario

Rexdale information

Town
Rexdale, Toronto, Ontario
In business
22 years
Hours
Open 24/7 · nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

What the census means at the door

58%

Older homes. About 58% of homes in Toronto were built in 1980 or earlier, according to the 2021 Census.

Older housing means older frames. Wood that has settled for years leaves strikes slightly out of line, so a bolt drags or needs a lift of the handle. A locksmith expects this and brings the shims, longer screws and strike plates to correct it.

23%

Single-detached houses make up about 23% of homes in Toronto (2021 Census).

Attached housing turns over more often than detached, so rekeying between tenants or owners is a constant. Because suite doors tend to be standard, the job is usually a straightforward pin change and a fresh set of keys cut on site.

Source: Statistics Canada, 2021 Census of Population

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Open 24/7

Request a visit

You've just moved in, and the mailbox compartment in the lobby came with a single key the previous owner mailed back separately, or never handed over at all.

Call now · open 24/7(289) 804-8591
  • On-site assessment preferred
  • Same fees day, night or weekend
  • 22 years in business