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Residential Locksmith

How a Lost Key on South Lake Avenue Led to a Full Rekey for Maria’s Pasadena Home

April 23, 2026 · 4 min read

A Tuesday Evening Call from South Pasadena Adjacent

It was around 6:45 PM on a Tuesday when Maria called us. She sounded frustrated but calm — the kind of calm you get after you’ve already retraced your steps three times and accepted that the key is gone.

Maria lives in a craftsman-style duplex off Madison Avenue, just a few blocks south of Colorado Boulevard. She’d spent the afternoon running errands — grabbed a coffee at one of the spots on South Lake Avenue, stopped at a pharmacy near the Paseo Colorado, then picked up her daughter from a friend’s house in the Bungalow Heaven neighborhood. Somewhere along that route, her house key slipped off her keyring. She didn’t notice until she was standing on her front porch.

Her neighbor had a spare, so she got inside fine. But the real problem hit her about twenty minutes later: that key was out there somewhere, and whoever found it could have her address too. Her gym membership card had been on the same ring.

Why Maria Didn’t Just Want a New Key

A lot of people in this situation think the fix is getting a duplicate key made. Maria knew better. A copy of her key wouldn’t do anything about the original floating around Pasadena. The locks themselves needed to change — or more accurately, the pins inside the locks needed to be reconfigured so that lost key would never work again.

That’s what a actually does. We don’t rip out your hardware. We take apart the lock cylinder, swap out the pin tumblers, and cut new keys to match the new configuration. Your deadbolt, your knob lock — they all look exactly the same from the outside. They just answer to a different key now.

Maria had three exterior doors: front, back, and a side entrance that opened into a shared laundry area. She wanted all three rekeyed, and she wanted them all on the same key. Smart move.

Getting There and Getting to Work

Our tech, Danny, was finishing up a job near the Caltech campus when the dispatch came through. He drove over to Maria’s place in about fifteen minutes — not bad for Pasadena traffic on a weekday evening.

Danny started with the front door, a solid Schlage deadbolt paired with a Schlage knob lock. Both were in good shape mechanically. The back door had a Kwikset deadbolt that was a little stiff — the kind of thing where you have to jiggle the key just right. Maria mentioned she’d been meaning to get that looked at.

Danny flagged the Kwikset as a candidate for lock repair in Pasadena — a worn spring inside was causing the resistance. He replaced it on the spot while he had the cylinder apart. No sense rekeying a lock that fights you every time you use it.

The side door had an older Defiant knob lock. Nothing fancy, but it rekeyed without any issues. Within about 50 minutes, all three doors were done. Maria got four copies of her new key — one for her, one for her daughter, one for the neighbor, and a spare she planned to stash somewhere safe.

What Maria Said After

She told Danny that she’d been going back and forth all evening about whether to call. Part of her thought she was overreacting — it was probably just a key on the ground somewhere near a coffee shop. Who’s going to find a random key and track down the owner?

Probably nobody. But “probably” doesn’t feel great when you’re lying in bed at midnight thinking about your daughter sleeping down the hall. Maria said it was the gym card that tipped the decision. Her full name was on it. A quick search could connect the dots.

She made the right call.

A Few Things Worth Knowing About Lock Rekey in Pasadena

It’s faster and cheaper than replacing locks

Full lock replacement means new hardware, new strike plates, sometimes modifications to the door. Rekeying uses your existing locks. Danny had Maria’s three doors done in under an hour.

You should rekey when you move into a new place

Previous owners, old tenants, their friends, a dog walker, a cleaning service — you have no idea how many copies of your current key are out there. This goes double for Pasadena’s older neighborhoods like Madison Heights and Chapman Woods, where homes have changed hands multiple times.

You can get all your locks on one key

If your front door and back door use different keys right now, rekeying is the time to fix that. As long as the locks are the same brand (or compatible brands), one key can operate everything.

It’s not a DIY project

You’ll find YouTube videos showing how to rekey a lock with a $15 kit. Some of them make it look easy. What they don’t show is the part where you lose a tiny spring inside the cylinder and now your lock doesn’t work at all. Let a pro handle it.

If you’re dealing with a lost key, a recent move, or you just have that nagging feeling that too many copies of your key are floating around — our Pasadena locksmith services team can get your locks rekeyed the same day you call. We work evenings and weekends, and we come to you.

Give us a ring at (818) 398-9391 and we’ll get it sorted out.

— Locksmith HQ Team

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