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 Stevenson Ranch
Changing door locks in Stevenson Ranch typically costs between $95 and $320 per door, depending on whether you are rekeying an existing cylinder or swapping out the full hardware set, and most jobs are completed within 60 to 90 minutes of our technician arriving. We know Stevenson Ranch and we know the homes here because we work in them week after week, from the Pardee builds off Stevenson Ranch Parkway to the William Lyon tracts up toward Pico Canyon. When you call (910) 714-4287, a live person answers. You will get a written price before any work starts, and the technician who shows up will be the person we told you to expect by name and photo before the visit.
Why Dunmore Locksmith Is Stevenson Ranch’s Preferred Change Door Locks Company
Dunmore Locksmith has served Stevenson Ranch homeowners since 2007 as part of the Threshold Group family of independent local locksmith businesses. The name Dunmore comes from old words for a great fort, a stronghold built to keep what is inside safe, and that is exactly how we approach door lock changes here. Every technician we send into Stevenson Ranch has passed a background check and identity verification, arrives in a clean marked uniform, and carries a photo ID badge they show at the door without being asked. Before the visit, you get their name and their photo. If someone you were not told to expect shows up, that visit is covered at no charge. That is the Threshold Standard, and it matters even more in a community built almost entirely during the 1990s and early 2000s, where thousands of original builder-grade locksets are failing at the same time.
Our response time to most Stevenson Ranch neighborhoods is under 45 minutes for lock changes and rekeying work, and calls are answered by a real person 24 hours a day, 365 days a year. We keep a rolling inventory of Schlage and Kwikset cylinders and hardware on our service vehicles so we can complete most Change Door Locks jobs in a single visit without ordering parts. Every job carries the 365-Day Done Right Promise: a written guarantee stamped on every repair, and if the work fails within a year, we return at no charge.
Patio Door Lock Change in Stevenson Ranch
Patio door lock change in Stevenson Ranch usually runs $110 to $240 for a standard sliding glass door or French door, and we handle both recessed handles and surface-mount mortise locks on the double front-entry doors that are so common in Pardee and William Lyon homes built here between 1993 and 2005. Our Change Door Locks team sees the same OEM lock generations across the entire Stevenson Ranch footprint because of that tight build era, which means we know exactly what fails and what fits without trial and error. If your patio door has a keyed handle on one side and a thumb-turn on the other, we can key it to match the rest of the house in the same visit.
Sliding Glass Door Locks
Stevenson Ranch homes with 3-car garages and rear patios typically have at least one sliding glass door, and the builder-installed latch locks on those doors are now two decades past their rated service life. We replace the handle assembly and keyed cylinder, or upgrade to a double-bolt patio lock that anchors both top and bottom for better security on the ground-floor rear exposures common throughout Stevenson Ranch.
French Door and Double Entry Hardware
Double front-entry doors on Stevenson Ranch production homes often have an active and inactive leaf, and the inactive side is frequently secured only by surface slide bolts. We replace those with flush bolts and keyed deadbolts, then key both doors to a single key so that the front entry, patio, and garage access all open with one turn.
Door Lock Change in Stevenson Ranch
Door lock change in Stevenson Ranch runs $95 to $320 per door depending on whether we are rekeying the existing cylinder, replacing a single entry knob and deadbolt, or installing ANSI Grade 1 hardware with a smart-lock retrofit. The homes here are hitting the 20 to 30 year mark on their original builder-grade Kwikset and Schlage Grade 3 locksets, and the symptom pattern is consistent: keys that turn hard, cylinders that feel sloppy, and deadbolts that no longer slide cleanly into their strike plates. We pull the old cylinders, inspect the door prep and frame alignment, and tell you plainly whether a rekey will buy you more years or whether the hardware is past saving.
Entry Door Deadbolt Replacement
When the original deadbolt on a late-1990s Stevenson Ranch front door starts catching, the problem is often a combination of a worn pin tumbler stack and a slightly shifted painted steel frame from Santa Ana thermal cycling. We square the strike plate, align the bolt path, and install a Grade 1 deadbolt that resists the frame movement these doors see every October and November - that’s standard Stevenson Ranch Door Lock Repair procedure.
Outbuilding and Workshop Lock Keying
Larger Stevenson Ranch lots frequently include a detached workshop, pool equipment door, or side-yard gate on a mismatched builder key. We key every exterior lock on the property to a single key, including the outbuildings, so you stop carrying three or four separate keys. It is one visit, one key, every door matched.
Trusted Brands We Service in Stevenson Ranch
We are factory-authorized to install and service Schlage, Kwikset, Medeco, and Abloy hardware, which covers the original builder locks still in Stevenson Ranch homes and the high-security upgrades many owners are making as those originals fail. Our vehicles carry Schlage and Kwikset cylinders, deadbolts, and handle sets sized for the standard door preps used in 1990s tract construction here, so we rarely need a second trip for parts. If you want a Medeco or Abloy high-security cylinder keyed into your existing doors, we can quote that in writing before any work begins and order the pinned cylinders for a single-visit install.
Common Change Door Locks Problems We See in Stevenson Ranch Homes
- 1990s builder hardware at end of life: The original Kwikset Grade 3 locksets in Stevenson Ranch homes are now past their rated service life, with worn pin tumbler stacks and keys that turn hard or jam. A rekey often fixes the cylinder, but replacement is the better call when the bolt itself starts binding.
- Santa Ana wind frame shift: Every October and November, the fall winds funnel through the Santa Clarita Valley and knock deadbolts out of alignment with their strike plates on painted steel frames. The lock is rarely broken, it is usually the door prep that shifted, and the fix is strike plate adjustment plus a properly aligned bolt path.
- Detached outbuildings on mismatched keys: Homes with workshops, casitas, or pool equipment doors at the back of the lot often still have separate builder keys. One keyed-alike visit fixes the whole property, not just the front door.
- HOA-managed gate credential conflicts: Stevenson Ranch has a number of HOA-governed neighborhoods with community gate access systems, and new smart locks or keypads have to be coordinated with the property manager’s approved hardware list and gate credentials. We handle that before we touch a single screw so your new entry hardware does not fall out of sync with the community gate.
Pricing for Change Door Locks in Stevenson Ranch, CA
Here are the honest ranges for the work we do most often in Stevenson Ranch: a standard knob or deadbolt rekey runs $45 to $95 per cylinder, a full entry lock and deadbolt replacement runs $140 to $320 per door, patio door lock replacement runs $110 to $240, and a whole-home keyed-alike job covering the front entry, patio doors, garage access, and an outbuilding typically lands between $350 and $700 depending on how many cylinders we are replacing versus rekeying. The price we quote on the phone is the price on your invoice. It is written down before anyone is dispatched, and there is no call-out surcharge added when we arrive. Call (910) 714-4287 for a free estimate, which we will confirm in writing before you commit.
We Also Serve Cities Near Stevenson Ranch
We serve homes across Stevenson Ranch and the surrounding Santa Clarita Valley, including Santa Clarita, Castaic, San Fernando, and Simi Valley. If you are near the 91381 boundary or just outside the master-planned footprint, call us and we will confirm coverage for your street. Dispatch and scheduling for Stevenson Ranch are coordinated from the brand’s Los Angeles office, with crews serving the community locally every day.
Serving Stevenson Ranch, CA - Our Local Coverage Area
We’re based in the Stevenson Ranch 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 Stevenson Ranch
If the cylinder still turns smoothly and the bolt extends fully without resistance, a rekey for $45 to $95 per cylinder is usually enough. If the key grinds, the bolt hangs up on the strike plate, or the internal springs feel gummy after 25 years of Santa Ana thermal cycling, replacement is the smarter call, and we will tell you which one applies to your specific doors before you spend a dollar. Call (910) 714-4287 and describe what the key feels like when you turn it, and we will give you a straight answer and a written quote.
Most full-home jobs with a front entry, two patio doors, a garage access door, and a detached workshop take 90 minutes to two hours on site. We key every exterior lock to a single key in that one visit, so you do not need a second trip or a second appointment. Call (910) 714-4287 to schedule a window that works around your day.
Yes. Before we install or change any lock in an HOA-governed Stevenson Ranch neighborhood, we confirm the approved hardware list and gate credential requirements with the property manager so your new keypad, smart lock, or deadbolt stays in sync with the community gate system. That step is included in the written price, not added as a line item later. Call (910) 714-4287 and let us know which HOA manages your tract, and we will handle the coordination.
Yes. Because Stevenson Ranch sits inside a designated Very High Fire Hazard Severity Zone, we program far more keypad and smart-lock entry systems here than in most comparably sized suburban communities in the SCV. We will install and program a keypad deadbolt, integrate it with your existing smart-home hub if you want Z-Wave or Wi-Fi control, and key the override cylinder to match the rest of the house. Call (910) 714-4287 for a written quote.
Almost always the door prep and frame shifted, not the lock itself. The Santa Ana wind events that funnel through Stevenson Ranch each October and November cause rapid thermal cycling that moves painted steel door frames, which knocks the deadbolt out of alignment with the strike plate. We square the strike, realign the bolt path, and only replace the hardware if it is actually worn out, which keeps the repair cost down. Call (910) 714-4287 and we will diagnose it on the spot with no charge for the assessment.
Written by Perry Osgood, Owner at Dunmore Locksmith, part of the Threshold Group family serving Stevenson Ranch since 2007. For a free written estimate on any door lock change in Stevenson Ranch, call (910) 714-4287 any hour, any day.






