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 Residential Locksmith Across Tustin
Most Tustin homeowners call us with one of three problems: a key that snapped in the deadbolt on a 100-degree afternoon, a front door lock that no longer turns after years of the frame shifting, or a house full of locks keyed half a dozen different ways. A residential locksmith in Tustin has to move fast and carry the right parts, because the housing stock here runs from 1880s mortise locks in Old Town to smart-lock-ready new construction at Tustin Legacy, and the inland heat does strange things to metal. We answer live, 24/7, at (910) 714-4287. We’ll tell you who’s coming and what it’ll cost before the truck ever leaves.
Why Dunmore Locksmith Is Tustin’s Preferred Residential Locksmith Company
Tustin isn’t a one-size-fits-all locksmith market, and we don’t treat it like one. Our techs work both ends of the spectrum: rebuilding 1920s cast-iron mortise lock cases in Old Town and installing Schlage Encode smart deadbolts in Tustin Legacy apartments on the same day. That range matters in a city split almost evenly between historic homes and brand-new construction. Since 2007, as part of the Threshold Group family, we’ve built our reputation in Orange County on written prices delivered before any work starts, background-checked techs sent to you by name and photo, and a 365-Day Done Right Promise on every repair. If the repair fails, we return at no charge. No vague pledge. The guarantee is printed on the job sheet.
Every Dunmore tech arrives in a marked uniform with a photo ID badge. You’ll receive the technician’s name and photo before the visit, so when the doorbell rings, you already know who’s on the other side. That matters to Tustin homeowners, many of whom live alone, have kids at home, or simply don’t want to open the door to an unverified stranger. Our local customers mention that specific peace of mind repeatedly, and it’s why they call us first for Residential Locksmith work across the city. Dispatch is coordinated from the brand’s Los Angeles office, but the crews you see on Tustin streets live here and know the terrain.
Lost Key Replacement in Tustin
Lost key replacement in Tustin is a same-day job for us, and it usually means rekeying your locks rather than just cutting a duplicate that might land in the wrong hands. When a house key goes missing in a city where neighbors are close and parking is tight, you want the old key dead. We handle it two ways: if you have a spare, we cut a new key and rekey the cylinder so the missing key no longer turns. If you have no spare, we gain entry without damage, then rekey or replace the cylinder. Most Tustin homeowners pay between $95 and $185 for a standard rekey on a single-cylinder deadbolt and knob set, including the trip, parts, and labor. High-security locks run higher.
When Rekeying Beats Replacing
On the old mortise locks in Old Town Tustin, rekeying is almost always the right call. Those original lock cases are built with cast-iron internals that modern replacement locks can’t match, and drilling one would destroy a piece of the house’s history. We rekey the cylinder, preserve the case, and hand you new keys that fit an antique that still works.
What to Do While You Wait
If you’ve lost the only key and can’t get inside, don’t break a window. Call us. We get to most Tustin addresses within 30 to 45 minutes, get the door open without damaging the frame, and rekey on the spot so the lost key is worthless. The full price is quoted on the phone before dispatch, and that’s the exact price on the invoice when we arrive. No call-out surcharge added at the door.
House Key Locksmith in Tustin
A house key locksmith in Tustin does more than cut keys. We rekey, replace, and repair the hardware that your house keys actually turn in, and we do it in one visit for properties that have been accumulating mismatched locks for years. If a Tustin homeowner has three doors on three different keys, a deadbolt that sticks, and a side gate keyed separately, we fix all of it in one trip. That’s the difference between a house key locksmith who works on the whole property and a tech who just copies one key. Standard house key rekeying on a typical Tustin door runs $95 to $185 per lock set; installing a new single-cylinder deadbolt typically adds $45 to $90 on top of the service call, depending on the hardware grade you choose.
Master Key Systems for Acreage Properties
This is where a lot of Tustin gets interesting. Homes along Newport Avenue and up toward Peters Canyon often sit on acreage with a detached workshop, a tack room, a front gate, and a garage, all keyed differently from years of piecemeal fixes. We design a master key system on-site: one key opens everything, and a separate key can be cut to only open specific buildings, like the gate or the workshop. You decide who gets what. This eliminates the key ring with seven keys on it and, more importantly, stops a lost key from becoming a property-wide security hole.
The One-Visit Standard
At a small horse property off Newport Avenue in unincorporated Tustin, the owner had a house, a detached workshop, a tack room, and a front gate all keyed differently. Our tech brought a pin-and-tumbler kit and a Medeco deadbolt, converted the exterior doors to a master key system so one key worked everything, and rekeyed the workshop and gate cylinders on the same visit instead of charging a return trip. The homeowner said it was the first time in a decade that one key actually opened the whole property. That’s the job we aim to do on every Tustin acreage call: one visit, every lock handled, no three-trip billing.
Trusted Brands We Service in Tustin
We stock parts locally in our Tustin service vehicles for Schlage, Kwikset, Medeco, and Yale hardware, plus we’re factory-authorized on Medeco high-security cylinders and Schlage smart locks. That means when a Tustin Ranch home built in the 1990s needs a Kwikset B-series deadbolt replaced, or a Tustin Legacy apartment needs a Schlage Encode installed before the homeowner moves in, the part is on the truck. No ordering delays, no return trip. For Old Town’s antique mortise locks, we carry a working inventory of salvaged and reproduction parts, so a 1910s lock case gets the vintage cylinder it needs rather than a big-box retrofit that fights the door for the next decade.
Common Residential Locksmith Problems We See in Tustin Homes
- Heat-swollen aluminum frames on Tustin Ranch sliding doors. Tustin’s inland position runs 10 to 15°F hotter than coastal Orange County in summer, and the daily temperature swing makes aluminum door frames expand and contract enough to throw the deadbolt out of alignment. We regularly adjust strike plates and shim frames on 1980s Tustin Ranch homes where coastal locksmiths rarely see the problem.
- Original mortise locks in Old Town homes from the 1880s to 1920s. These homeowners don’t want their historic hardware drilled out and replaced with a modern knob. We rekey the existing mortise cylinder, and when internals are worn, we rebuild the case using period-correct parts. A skill set that goes wasted in most Orange County cities is daily work here.
- Multi-structure acreage key systems off Newport Avenue and near Peters Canyon. A single house key doesn’t cover a property with a detached workshop, gate, tack room, and garage. We see owners carrying four or five keys and no idea which one opens what. The fix is a master key system, cut and keyed in one visit.
- Smart lock retrofits on Tustin Legacy new-builds. Buyers in Tustin Legacy frequently close on a unit with a builder-grade keypad or basic deadbolt and want a Schlage or Yale smart lock with app control before moving in. We’re set up for that installation on day one, and we rekey the existing cylinder so the builder’s keys are dead.
Pricing for Residential Locksmith in Tustin, CA
Most residential jobs in Tustin land in these ranges: lockout entry without damage, $75 to $135; rekeying a standard knob or deadbolt cylinder, $95 to $185 per lock; new deadbolt installation including hardware, $140 to $230; master key system setup for a multi-structure property, $220 to $480 depending on how many cylinders and key control levels are needed. Factors that shift the final number: the hardware grade (ANSI Grade 1 costs more than Grade 3, and it’s worth it), whether we’re rekeying a standard pin-tumbler cylinder or a high-security Medeco system, and how many structures are involved. The price you’re quoted on the phone is the price you pay, in writing, before any work begins. No surprises at the end, no “parts turned out to be more” conversation. Call (910) 714-4287 for a free estimate.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Tustin and surrounding Orange County since 2007.
We Also Serve Cities Near Tustin
Our Tustin crews regularly work neighboring Residential Locksmith in Tustin service areas including Santa Ana, Orange, Irvine, and Villa Park. If you’re on the Tustin edge near one of these cities, the same live answering, written pricing, and 365-Day Done Right Promise applies. Call and tell us which side of town you’re on; we’ll route the nearest tech.
Serving Tustin, CA - Our Local Coverage Area
We’re based in the Tustin 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 Residential Locksmith in Tustin
Yes. We bring pin-and-tumbler kits, spare cylinders, ANSI Grade 1 deadbolts, and a master key system plan to every acreage call, so one key can open the house, workshop, tack room, and gate together. We rekey every cylinder on-site in one trip. Call (910) 714-4287 and we’ll give you a flat quote for the full property before dispatch.
Yes, and we’d strongly recommend rekeying over replacing. Those cast-iron mortise lock cases were built to last, and a new modern lock would require drilling and carving the original door. We rekey the existing cylinder, rebuild worn internals with period-correct parts, and preserve the hardware your house has carried for over a century.
Because Tustin is inland. Our summer afternoons run 10 to 15 degrees hotter than Newport Beach or Huntington Beach, and the wider daily temperature swing makes aluminum sliding-door and screen-door frames expand and contract more. The frame shifts, the strike plate moves a fraction of an inch, and the deadbolt starts to bind. We fix it by adjusting the strike plate and shimming the frame, not by blaming the lock.
Yes. We get you in, cut a new key, and rekey the cylinder so the lost key no longer works. That’s the critical part: lost key replacement in Tustin should always include rekeying, because a key that’s “lost” around a neighborhood with close-together homes could easily be in the wrong pocket. Standard rekeying runs $95 to $185 per lock. Call (910) 714-4287 for an exact quote, and the price goes in writing before we start.
For most Tustin Legacy buyers, yes. The new-builds there are already pre-wired for electronic locks, so a Schlage Encode or Yale Assure installs cleanly with no drilling. We rekey the builder’s cylinder same visit so the old keys are dead, then program the keypad and app with you on-site. For Old Town homes with mortise locks, we generally recommend a high-security mechanical deadbolt instead, since retrofitting smart hardware onto a 1910s door usually weakens the door itself.
When you need a residential locksmith in Tustin, call (910) 714-4287. A live person answers, you get the tech’s name and photo before arrival, the price goes in writing, and the work is covered by our 365-Day Done Right Promise. Estimate is free.






