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 Change Door Locks Across Placentia
Changing door locks in Placentia usually costs between $85 and $240 per lock, depending on whether you want a Placentia Door Lock Repair or a security upgrade. Most calls in Placentia neighborhoods like Alta Vista, Golden Avenue, and the tracts around Bradford Avenue are completed same-day, often within 60 to 90 minutes of your call. We know this city’s housing stock well, because so much of it went up in the same era and shares the same hardware problems. When you call (910) 714-4287, a real person answers and gives you a written price before any tech heads your way.
Why Dunmore Locksmith Is Placentia’s Preferred Change Door Locks Company
Residential Locksmith in Placentia homeowners call us because they want to know who is walking up to their front door. Every Dunmore technician is background-checked and identity-verified under what we call The Threshold Standard: you get the tech’s name and photo sent to your phone before the visit, and they arrive in a clean marked uniform with a photo ID badge they show at the door. If someone shows up you were not told to expect, that visit is covered at no charge. That is not a marketing line. It is policy.
Perry Osgood, our owner, set that standard because a locksmith’s whole job is about trust. You are handing over access to the place you sleep. Our team has served Placentia through the Placentia tracts and Bradford Avenue corridor long enough to know which hardware lasts here and which does not. We carry Kwikset, Schlage, Medeco, Yale, and Baldwin parts on the truck, so most lock changes happen in one visit without a second trip for parts. And every job, including a simple Change Door Locks call, is covered by our written 365-Day Done Right Promise: if the work fails within a year, we return at no charge.
Door Lock Installation in Placentia
Door lock installation in Placentia typically means replacing a worn keyed knob or deadbolt with new hardware, or adding a deadbolt to a door that never had one. Given how many of this city’s homes date to the 1960s through 1980s tract buildout, a surprising share of installations are first-time deadbolt additions rather than simple swaps. A standard knob-to-deadbolt installation here usually runs $110 to $220 per door, including the new hardware. Adding a deadbolt where none existed runs closer to $160 to $260, because it involves boring the door and frame. Every price is written down before work starts, and that is the price on the invoice.
First-Time Deadbolt Adds on 1960s Tract Doors
Many original Placentia tract homes were permitted with only a keyed knob lock, standard for Orange County building practice in that era. That means no deadbolt, no reinforced strike plate, and a door that gives way to a shoulder more easily than anyone wants to admit. When we install a deadbolt on one of these doors, we check the frame for heat swell and set the strike plate depth so the bolt seats fully even in August.
High-Security Deadbolt Upgrades
If you want more than a standard residential deadbolt, we install Medeco and Mul-T-Lock high-security cylinders with restricted key control. These are the same platforms used on commercial buildings in Placentia, and they make copied keys a non-issue. Installation typically lands in the $140 to $280 range per lock, depending on cylinder type and door prep.
Patio Door Lock Change in Placentia
Patio door lock change in Placentia covers sliding glass doors, French doors, and swing-out patio doors on the back of tract homes that face their postage-stamp yards off streets like Van Buren and Morse Avenue. Most original patio door hardware from the 1970s and 1980s is flimsy: a thin mortise latch or a hook lock that a pry bar defeats in seconds. Replacing a sliding patio door lock here typically runs $120 to $260, depending on whether you want a standard keyed replacement or a double-bolt auxiliary lock. French door handle-set replacement on patio doors runs $180 to $340.
Sliding Door Security Locks
We routinely add a second point of locking to sliding doors in Placentia, because the original latch alone is not enough. A surface-mounted auxiliary keyed lock or a foot bolt gives you a real second lock point. The parts are affordable, typically $40 to $90, and labor is usually under an hour.
French Door Handle-Set Replacement
Older handle sets on French patio doors suffer from sagging doors and misaligned strikes, especially after a few summers of Santa Ana heat. We replace the entire handle set, re-align the strike, and if the active door has a flush bolt on the passive leaf we check that it still throws cleanly. The whole job usually takes one visit.
Trusted Brands We Service in Placentia
We install and service Kwikset, Schlage, Medeco, Yale, and Baldwin hardware across Placentia. We keep common Kwikset and Schlage cylinders, deadbolts, and patio door locks stocked on our trucks, so most lock changes in neighborhoods like Golden Hills or the Alta Vista tract do not require a follow-up visit for parts. Yale and Baldwin are available quickly through our local supply chain, and Medeco restricted cylinders are ordered with key control authorization handled for you. You will not pay a restocking fee or a second trip charge because we had to fetch a part.
Common Change Door Locks Problems We See in Placentia Homes
- Keyed knob with no deadbolt behind it. The Placentia 1960s tract default. The knob’s latch is the only thing holding the door, and worn pin and tumbler pins mean a similar key, or sometimes any key, will turn it. This is the single most common reason a lock change call in this city turns into a deadbolt upgrade.
- Deadbolts that bind mid-throw or never seat in summer. Placentia’s inland heat pushes wood door frames in older homes to expand and shift. A deadbolt that will not throw fully looks locked but is not. We fix it by re-seating the strike plate or adjusting the frame, not by blaming the lock.
- Multi-tenant doors with circulated copied keys on Alta Vista Street and the condo complexes near Kraemer Boulevard. One resident copies a key, that key gets passed around, and soon no one actually knows who has building access. A rekey only solves this if key control is also enforced with restricted blanks going forward.
- Vintage mortise locks on Bradford Avenue bungalows. The 1920s – 1940s homes and commercial buildings near the historic downtown corridor still carry mortise-lock bodies that are not a simple knob swap. We source or fit parts for these, and we never drill a door that can be opened non-destructively first.
Pricing for Change Door Locks in Placentia, CA
Here are the ranges Placentia homeowners actually see on our invoices. Rekeying a standard keyed knob runs $45 to $85 per lock. A like-for-like knob or deadbolt replacement runs $85 to $180 per lock. Adding a deadbolt to a door that has none runs $160 to $260. Patio door lock replacement runs $120 to $340 depending on door type. High-security restricted key cylinders run $140 to $280 per lock. The price we quote on the phone is the price you pay, in writing, before we dispatch. No call-out surcharge on arrival. Call (910) 714-4287 for an exact quote – estimates are free.
We Also Serve Cities Near Placentia
Beyond Placentia, our crews regularly handle Change Door Locks work in Yorba Linda, Fullerton, Brea, and Villa Park. If you live just over a city line and the lock on your front door is older than your mortgage, the same written-pricing policy and same tech vetting applies. Call us and we will tell you straight if we can get there in your window.
Serving Placentia, CA - Our Local Coverage Area
We’re based in the Placentia 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 Change Door Locks in Placentia
You need to add a deadbolt. A keyed knob alone on a 1960s or 1970s Placentia tract home gives you a latch that a pry bar or firm shoulder defeats in under ten seconds, and the knob’s worn pins mean a similar key often turns it. Rekeying addresses who has a key; it does nothing about the fact that there is no defensive lock on the door. We recommend a Schlage or Kwikset deadbolt installed same-visit, then rekey everything to one key. In Placentia this runs roughly $160 to $260 and is the single biggest security improvement per dollar in this city’s housing stock. Call (910) 714-4287 and we will quote it precisely.
Yes, and that is the standard on nearly every condo call we make in complexes near Rose Drive and Yorba Linda Boulevard. Non-destructive entry and non-destructive lock changes matter when the door is owned by the HOA or freeholder, and we never drill a lock that can be picked or shimmed open. We leave the door face clean, swap the cylinder or handle set, and provide new keys to the resident and left window hardware that meets the building’s keying schedule. If the door is on a master key system, we coordinate with building management rather than breaking the master.
In Placentia it is usually the door, specifically the frame. The inland heat, especially during Santa Ana events when it pushes into the mid-to-upper 90s, swells the older wood frames in 1960s – 1980s tract homes and the deadbolt bolt no longer lines up with the strike plate. We fix it by re-seating or mortising out the strike, planing a touch of frame where needed, and confirming the bolt throws fully with the door closed. Often the lock itself is fine. We will tell you if it is not, and show you why before replacing anything.
Rekeying changes the internal pins inside the lock cylinder so old keys stop working and new keys operate the same hardware. The lock body stays on your door; no new hardware is installed. It matters in Placentia because many tract homes here have gone through multiple ownership changes and no one knows how many copies of the old key are floating around. Done properly, rekeying takes under 20 minutes per lock, costs $45 to $85 per lock here, and is the cleanest way to reset access without replacing mechanically sound hardware.
If the key was stamped “Do Not Duplicate” but a locksmith copied it anyway, that is a key control failure, not just a copied key. The answer for the building is to rekey the affected cylinder or lock to a new restricted blank, usually a Medeco or Mul-T-Lock system that cannot be copied at a hardware store, and to issue signed key control cards so only authorized keyholders can order replacements. This happens in apartment buildings and commercial suites around Placentia more often than owners realize, and we walk building managers through the rekey and control setup in one visit.
Call Dunmore Locksmith for Change Door Locks in Placentia
If you live in a Placentia tract home with the original knob still on the front door, or a condo where you are not sure who else has a key, call (910) 714-4287. You will get a written quote before anyone is dispatched, the name and photo of the tech before they arrive, and a 365-day guarantee on the work. That is how a lock change should work. Give us a call, and we will have you locking up secure by tonight.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Placentia and surrounding Orange County communities.






