Broken Key Extraction in San Diego, CA

Where keys snap in shared housing

About 24 percent of California homes are in buildings with five or more units, against about 19 percent nationwide, by the Census Bureau's 2024 American Community Survey. In those buildings one entry door takes every resident's key, and a key that turns many times a day in a worn cylinder can crack at the shoulder.

Older courts add age to the mix. A City of San Diego historic survey counted 147 bungalow and apartment courts in Uptown, and an apartment court groups its units around a courtyard that may sit behind a gate. Where an original gate or door cylinder is still in service, years of turning can leave it stiff, and a stiff lock is where people start to force a key.

What not to do

• Do not keep turning or wiggling the stub. That can push the fragment deeper and bend the pins behind it.
• Do not put tools, wire or glue into the keyway. Glue in particular can turn an extraction into a replacement.
• Do not spray oil into the lock. Oil collects grit and makes the fragment harder to grip.
• Keep both pieces of the key.

Shared locks and the building owner

A key broken in a building entry or a courtyard gate is usually the owner's or manager's lock, so tell them before anyone works on it. California Civil Code § 1941.3 requires code-compliant locks on exterior doors to common areas in multifamily buildings, and a manager may want to approve the work or hear whether the cylinder has to be replaced afterward. This is general information, not legal advice.

What to send about the lock

• which lock it is: your unit door, a building entry, a gate, a mailbox or a car
• a close photo of the keyway showing whether the broken end sticks out or sits flush
• a photo of the piece you still hold
• whether the lock is locked or unlocked right now, and whether there is another way in
• for a shared lock, the manager's name and whether they have approved the work

If the stub is out but the lock still fights the key, lock repair may be the next step.