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Rekeying a Shared House Near Campus When the Lease Turns Over

August and January move-ins below campus: how many cylinders a six-bedroom house really has, what to put in writing to the landlord, why the exterior doors should share one key, and the 2026 figures.

August 18, 2026 · 7 min read · Campanile Lock & Key

Rekeying a Shared House Near Campus When the Lease Turns Over

Count the cylinders before you call

A shared house below campus is never two locks. Walk it with a notebook and the list usually reads: a front door with a deadbolt and a latching knob, a back door onto the yard, sometimes a side door into the basement, five or six bedroom cylinders added by different tenants over fifteen years, a shed or bike room, and a mailbox. That is anywhere from eight to fourteen cylinders in one address. Rekeying is priced per cylinder, $22 to $37, so the count is the price. Taking it before you call means the figure you are given covers the house rather than the first door.

It also tells you what is worth keeping. Bedroom cylinders bought at a hardware store in 2011 are often so worn that a similar key turns them, and repinning a worn plug buys very little. The technician will say which of those are fine to repin and which should be replaced at $105 to $285. On the exterior doors the calculation is different: those are usually landlord hardware, they are usually sound, and repinning leaves them exactly as they were, which is what the lease wants.

Why the turnover week is the moment

Every shared house accumulates keys the way a kitchen accumulates mismatched forks. A summer subletter had one for ten weeks. A housemate who left in March still has theirs in a drawer at home. Somebody cut a spare on Telegraph for a partner two relationships ago. None of that is sinister and none of it can be undone by asking, because the people involved have moved on and mostly do not remember. Repinning the cylinders retires all of those copies in one afternoon and issues one clean set to the people actually paying rent this year.

The turnover week is also the only week the house is empty enough to work in. Bedroom doors stand open, nothing is stacked against the back door, and the technician can go room to room without moving anyone else. Do it before the first carload arrives and it is a straightforward hour. Do it in October and it becomes six separate appointments around six class schedules.

What to send the landlord, and what California requires

California makes the landlord responsible for keeping the exterior doors and their locks in working order, but it does not require a rekey between tenants. That means asking, and asking in writing. A short message works: the address, the number of exterior cylinders, that the existing hardware will be repinned rather than replaced, that a working key will be provided to the owner or manager the same day, and who is paying. Most Berkeley managers say yes to that message, particularly when the tenants offer to cover it.

Keep the reply, and keep the receipt. Campanile Lock & Key sends an itemized receipt by email and will write a plain line for a landlord or a property manager stating what was rekeyed and what it cost, which is the document that gets an amount credited against rent or reimbursed at the end of the month. If a housemate has a documented reason to fear a specific person, California law lets a tenant have the locks changed and simply give the landlord a key afterward; a locksmith will do that job on proof of tenancy and matching ID.

One key for the doors that go outside, separate keys for bedrooms

The keying plan matters more than the hardware. Put the front door, the back door and any basement or side door on one key, so everyone in the house carries one key and gets in whichever way they come home. Then leave every bedroom on its own key, because a bedroom lock exists to give one person a door that only they open. Keying the bedrooms alike, which sounds tidy, undoes the only thing they are for.

Two details make the plan hold. First, ask for the exterior cylinders to be pinned to a key that is not on a common hardware store blank, so a casual copy is less likely to circulate. Second, write down who received which key on the day, on paper, and keep it in the kitchen. Next August, whoever inherits that list will know precisely how many keys were issued and how many came back.

What the visit costs and how long it takes

Take a real example. Two exterior doors with a deadbolt and a knob each, one basement door, six bedrooms and a shed: eleven cylinders. At $22 to $37 that is $242 to $407 of work, and the $89 service call sits inside the figure rather than being added on top of it. The whole visit runs about ninety minutes on site. Arrival to Southside and the Telegraph blocks averages fourteen minutes. The total is agreed on the call, before the technician touches a lock, and card or tap is taken at the door.

Evening work between 8pm and midnight adds $35 and overnight between midnight and 7am adds $70, once per visit, and both are stated inside the total rather than appearing on the invoice. Calls are answered 24/7 during move-in weeks, but a rekey is daytime work by nature: booking it for an afternoon costs less and gives the house a set of keys before anyone needs to get in at midnight.

When a key goes missing mid-term

The other rekey call comes in the middle of the year. A backpack goes at a cafe with the house key and a student ID in it, or a housemate leaves in February and the key does not come back. Repinning the two exterior cylinders is $44 to $74 of work and takes twenty minutes. That is a much smaller decision than most houses make it into, and it is the whole answer to the question of who might still be able to open the front door.

If nobody can get in at all tonight, that is a house lockout at $109 to $189, opened without damage first; drilling only happens if you agree to it, at the same figure. It is worth doing the rekey in the same visit while the technician is already there, since the service call is charged once and the rest is per cylinder.

Quick answers

Can housemates rekey a rented house without asking the landlord?+

Ask in writing first. Nearly every lease requires the owner to hold a working key, and the usual arrangement is that the tenants pay and hand over a copy the same day. A locksmith will do the work with a lease and matching ID as proof of tenancy.

What does rekeying a six-bedroom shared house cost?+

It depends on the cylinder count. A house with two exterior doors, a basement door, six bedrooms and a shed is about eleven cylinders, which is $242 to $407 at $22 to $37 each, with the $89 service call inside that figure and the total agreed on the call.

Should the bedroom locks be on the same key as the front door?+

No. Put the exterior doors on one shared key so everyone carries a single key, and leave each bedroom on its own. A bedroom cylinder exists to give one person a door only they open, and keying them alike removes that.

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Calls answered 24/7 across Berkeley and the north East Bay. The $89 service call, the labour and the parts are inside the number you agree to, and nothing is added to it afterwards.