Non-destructive entry first, always - and we re-key Schlage, Kwikset, and Baldwin locks on the spot while you watch
You get a price before we start. It does not change when we arrive. No surprises.
Fast, Reliable Door Lock Repair Across Moraga
A door lock that sticks, spins, or won’t throw the deadbolt is more than annoying. In Moraga, it often means a Kwikset knob from the original 1970s build fighting a Schlage deadbolt someone added in 2015. We fix that. Preston Locksmith & Security sends a background-checked tech to Moraga homes with the parts already in the truck, a written price in your hand before any work starts, and a live arrival time you can track from your phone. Call (409) 405-4485 and you’ll talk to a person, not a queue.
Why Preston Locksmith & Security Is Moraga’s Preferred Door Lock Repair Company
We’ve worked on enough Moraga doors to know the patterns. The 1960s ranch on Rheem Boulevard with original builder-grade Kwikset knobs. The hillside custom off Camino Ricardo with a Baldwin handleset that’s seen forty summers of inland heat. The townhouse near Moraga Commons whose sliding patio door hasn’t latched right since 2019. Local knowledge like that changes how we diagnose the job before we touch a screwdriver.
The Relay Visibility Guarantee is what separates us from a random truck with a phone number. You get a written price first, not after the lock is pulled apart. You get a live arrival time you can watch move closer. You get before-and-after photos of every repair. And every job carries the 365-Day Done Right Promise: if it’s not done right, we make it right. No argument, no charge, free second visit if the repair fails. Kevin Yoon leads our team, and he holds every tech to that standard.
Sliding Door Lock Repair in Moraga
Sliding Door Lock Repair on Moraga patio doors usually comes down to one of three things: the hook latch has worn down and won’t bite the keeper, the mortise lock body is gummed with dust from dry hillside summers, or the door itself has settled off its rollers and the latch can’t line up. A typical sliding door lock repair in Moraga runs $95 – $185 depending on whether we’re re-aligning the latch, replacing the lock body, or installing a new handle set. We’ll quote the full price before anything comes off the door.
Re-alignment and Latch Replacement
Sliding doors on Moraga decks and patios shift with the seasons. Clay soil expands and contracts, and a door that latched fine in May can miss by a quarter inch in October. We adjust the rollers, square the door, and replace worn hook latches so the lock actually engages with the keeper. This is the cheapest fix, and the one most often skipped by homeowners who think the lock itself is dead.
Keyed Locks for Patio Doors
Many older Moraga sliders never had a keyed lock, just a flimsy foot latch. We install keyed mortise locks or surface-mount keyed handles that give you an actual door lock repair solution, not a bobby-pin workaround. A keyed patio lock install typically runs $160 – $240 in Moraga, and we stock parts for Kwikset, Yale, and Baldwin slider hardware.
Deadbolt Repair in Moraga
Deadbolt Repair calls in Moraga break into two camps: the bolt won’t throw at all, or it throws but the key is stiff and eventually snaps. Both are common in this town. Afternoon sun bakes west-facing doors all summer, drying out lock cylinders and turning old graphite into paste. If a key turns a quarter way and stops, the pin stack is likely gummed. Deadbolt repair in Moraga typically runs $85 – $175, with full cylinder replacement on the higher end.
Cylinder Cleaning and Rekeying
We remove the cylinder, flush the pin chambers, and scrub out years of dust and graphite. If the pins are worn beyond cleaning, we rekey the cylinder with fresh pins so your existing keys still work. This runs $55 – $95 per cylinder in Moraga and takes about 20 minutes per lock. You keep the deadbolt, you keep the hardware, the key just turns like it did the day it was installed.
Full Deadbolt Replacement
When the bolt itself is bent, the strike plate screws are stripped, or someone forced the door, we replace the deadbolt body and hardware. A new Schlage B60 or Kwikset 660 deadbolt installed in Moraga runs $95 – $160 depending on finish and whether we cut keys to match the rest of the house. We always check the strike plate depth; a short or shallow strike is why so many Moraga deadbolts fail the first time someone leans on the door.
Trusted Brands We Service in Moraga
Our techs train on Kwikset, Schlage, Medeco, Yale, and Baldwin hardware. For Moraga specifically, we keep common Kwikset knob springs and Schlage deadbolt cylinders on the truck because that’s what’s on most doors in this town. Door Lock Repair on a Medeco high-security cylinder takes different tools and different pins than a standard Baldwin, and we carry both. Parts for everyday brands are usually in the truck the day you call. Parts for specialty hardware arrive in two to three days, and we’ll tell you that upfront before you commit to anything.
Common Door Lock Repair Problems We See in Moraga Homes
- Mismatched Knob and Deadbolt Sets: Original builder-grade Kwikset knobs wear internally over decades and eventually bind against later-added Schlage deadbolts. One key should run both; if it doesn’t, the fix is usually a rekey, not a replacement.
- Heat-Dried Cylinders: West-facing doors on Moraga’s hillside homes bake in direct afternoon sun. The graphite and factory lubricant inside the cylinder dry out, and keys stick or snap. We see this more here than in Orinda or Lafayette because Moraga sits further inland with less fog.
- Stripped Striker Plates: On doors that get forced or kicked, the small wood screws on the strike plate tear out of the jamb. The deadbolt then has nothing solid to throw into, and the door won’t stay shut. We replace plates with three-inch screws into the door frame studs.
- Failed Smart Lock Retrofit Wiring: Moraga homeowners retrofitted smart locks onto older doors throughout 2020 – 2023. Several brands don’t align with the old deadbolt bore, leaving the motor fighting the bolt. We re-bore or replace the tailpiece to get the keypad actually turning the bolt, not just beeping.
Pricing for Door Lock Repair in Moraga, CA
A standard cylinder rekey in Moraga runs $55 – $95 per lock. A full deadbolt repair, including cylinder cleaning and striker plate reinforcement, runs $85 – $175. Sliding door lock repair lands between $95 – $185. Full hardware replacement with a new Schlage or Baldwin handleset runs $240 – $450 installed. The price you’re quoted on the phone is the price on the invoice. Full stop. No dispatch fee, no call-out surcharge added when the tech arrives, no “supply charge” invented in your driveway. We’ll confirm the final number before anything is disassembled, so you can decide with your eyes open.
We Also Serve Cities Near Moraga
Preston Locksmith & Security covers Moraga and the surrounding Lamorinda and central Contra Costa communities. Our techs also run calls to Orinda, Walnut Creek, Lafayette, and Alamo. If you’re just outside town and need a door lock fixed, call (409) 405-4485 and we’ll give you a straight answer on response time.
Serving Moraga, CA - Our Local Coverage Area
We’re based in the Moraga area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Door Lock Repair in Moraga
Yes. This is one of the most common calls we get in Moraga, and it’s almost always solvable without replacing either piece. We rekey the newer lock to match the keyway of the older one, or install a matching cylinder. One key runs both, original hardware stays on the door. Call (409) 405-4485 and we’ll figure out which way makes sense for your specific door.
Most deadbolt repairs in Moraga take 30 to 60 minutes once we’re at the door. A simple cylinder rekey runs around 20 minutes. If we’re replacing a lock body or re-drilling a strike plate, it can run up to 90 minutes. The lock is functional before we leave, not “scheduled for a follow-up.” Call (409) 405-4485 and we’ll tell you the realistic time window for your specific fix.
Only as a last resort. Drilling destroys the cylinder and just drives up your bill with replacement parts. In most Moraga lockouts we pick the lock non-destructively, or pull the latch with a bypass tool if the door allows it. If drilling is truly the only option, you’ll know before we do it and the price won’t change after.
Usually yes. Rekeying runs $55 – $95 per cylinder in Moraga, versus $240 – $450 for a full new handleset with labor. If the lock body is solid and only the cylinder pins are worn, rekeying keeps your original hardware and costs a fraction of replacement. We’ll tell you honestly which route makes sense, even when the cheaper option means a smaller invoice for us. Call (409) 405-4485 for a quote on your specific lock.
Both. We repair and re-install Schlage Encode, Kwikset Halo, Yale Assure, and other keypad locks. The most common Moraga issue is a smart lock motor grinding against a misaligned deadbolt bore on an older door. We fix the alignment or the tailpiece, and we rekey the physical keyway so your backup key still works. Smart lock repair in Moraga starts around $120 for basic alignment and runs up from there depending on the hardware.
If your Moraga door lock is binding, snapping keys, or just won’t throw the bolt anymore, call (409) 405-4485. A live person answers, you get a written price before dispatch, and the tech shows up in uniform with the parts to fix it same-day. Free estimates, honest pricing, and a written guarantee on every repair. That’s how we work in Moraga.
Written by Kevin Yoon, Owner at Preston Locksmith & Security, serving Moraga since 2008.






