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 Covina
Changing door locks in Covina usually runs between $95 and $260 per lockset depending on the hardware you choose, and we can typically reach most Covina neighborhoods within 45 to 60 minutes for urgent calls. That price includes the new lock, the labor to remove the old hardware, and a full alignment check so the deadbolt actually throws cleanly. If you’ve just moved into a 1960s ranch north of the 10 or you’re finally replacing the original Kwikset on your back door, call (910) 714-4287 and we’ll give you an exact figure before anyone is dispatched.
This page is for Covina homeowners who want to know what a lock change actually costs here, why their doors misbehave in this specific climate, and what to expect when our technician arrives. We’ll walk through the common problems we see on Covina’s aging housing stock and explain how we handle acreage properties where the workshop, gates, and house all need to end up on one key.
Why Dunmore Locksmith Is Covina’s Preferred Change Door Locks Company
Covina’s housing stock presents a particular set of lock problems that a technician from a coastal market simply won’t recognize as quickly. The bulk of our change-door-locks calls here involve homes built between 1950 and 1980: single-story ranch and tract houses with wooden jambs that have warped through sixty summers of triple-digit heat. The lock itself is often fine. The door frame is what’s fighting you. Our Change Door Locks team has walked through enough of these Covina homes to know that a deadbolt that won’t throw usually needs a strike plate relocated, not a new cylinder.
We’re the Threshold Group member serving Covina and the surrounding San Gabriel Valley. That means every technician sent to your door is background-checked, identity-verified, and arrives in a marked uniform with a photo ID badge. You’ll receive the tech’s name and photo before the visit. If anyone shows up who you weren’t told to expect, that visit is covered at no charge.
Our phones are answered by a live person 24 hours a day, seven days a week. No voicemail tree, no chatbot. When you call (910) 714-4287 at 2 a.m. because your back door won’t lock, a real human picks up.
Patio Door Lock Change in Covina
Covina’s patio doors take a beating from the inland heat cycle. When temperatures swing from 105°F in late afternoon to the low 60s at night, the metal frames on sliding and French patio doors expand and contract enough to pull the lock body out of alignment with its keeper. That means the handle may turn but the latch won’t seat, or the deadbolt binds halfway. A patio door lock change here often requires shimming the frame, repositioning the keeper, and swapping the worn latch assembly rather than simply replacing a cylinder.
Ranch-Style Sliding Door Assemblies
Homes built in Covina’s 1950s – 1970s tract boom frequently still carry their original sliding patio door hardware. The internal latch mechanisms on those units are worn to the point where the key no longer turns smoothly. We stock replacement mortise-style and surface-mount patio door locks that fit these older door profiles, so a patio door lock change on a 1960s Ranch in the Charter Oak area doesn’t require tearing out the entire door.
French Door and Multi-Point Systems
Covina has a growing number of newer and remodeled properties with French patio doors and multi-point locking systems. These require a different approach: the top and bottom shoot bolts must be adjusted in tandem with the main lock body or the door will bind. We service and replace these systems the same day and rekey them onto the same key as the rest of the house when requested.
Door Lock Change in Covina
Door lock change work in Covina runs the full range from swapping a single entry knob to replacing every lockset on a property with outbuildings. The most common call is a straightforward entry deadbolt replacement on a home where the keyway is worn out or the previous owner’s keys are still floating around. A standard Residential Locksmith in Covina door lock change typically costs $95 to $210 per door, including hardware and labor.
Entry Deadbolt Replacement
When Covina homeowners lose keys, evict a tenant, or buy a foreclosed property off Arrow Highway, we recommend full deadbolt replacement instead of rekeying if the hardware is original to the home. A 50-year-old Kwikset or Schlage chassis simply isn’t built to accept modern replacement pins cleanly, and the cylinder tolerances are shot. We’ll show you the old hardware and explain what we’re seeing before we touch anything.
Keyed-Alike Multi-Door Service
On Covina properties with detached workshops, side gates, barn-style storage sheds, and the main house, we schedule one visit that keys everything alike. That means you carry one key for the front door, back door, workshop padlock, and both gate locks. The price for keying multiple locks onto a single key runs from $145 to $280 on top of the per-lock hardware cost, and it saves you from three separate trips.
Trusted Brands We Service in Covina
We install and service Schlage, Kwikset, Medeco, Yale, Baldwin, Mul-T-Lock, Sargent, and Abloy hardware. For Covina homes we keep Schlage and Kwikset deadbolts and entry knobs in stock on the truck since those dominate the local housing stock, and we can order Medeco or Mul-T-Lock high-security cylinders for same-week installation when your security needs call for something beyond a standard residential lock. If a 1960s screen door on the north side of Covina has a discontinued surface-mount rim lock, we source the replacement rather than asking you to replace the whole door.
Common Change Door Locks Problems We See in Covina Homes
- Warped wooden door jambs from seasonal heat cycling. Covina’s inland basin gets triple-digit summer days followed by 55-degree nights. That swings wooden jambs enough that a deadbolt that worked fine in March won’t extend into the strike box by August. The lock isn’t broken – the frame has moved, and we adjust the frame or relocate the strike plate as part of the lock change.
- Worn-out 50 to 70-year-old Kwikset and Schlage chassis. The original hardware on Covina’s 1950s – 1970s ranch homes has reached the end of its service life. The keyway is sloppy, the pins are worn smooth, and rekeying won’t fix it. These get full hardware replacement.
- Seized gate and outbuilding locks on acreage properties. Homes with detached workshops, side gates, and storage buildings in the Covina Hills or along East Covina Boulevard corridor deal with padlocks and gate hardware that seize from heat expansion and dust. We carry the full gate-hardware kit on the truck for these properties.
- 1960s – 70s aluminum screen door rim locks that are no longer manufactured. Many Covina homes still have their original surface-mount security screen doors with proprietary rim-lock hardware. When those fail, it’s a sourcing job, not a quick pick-and-rekey. We identify the hardware, source a dimensional match, and install it same-trip.
Pricing for Change Door Locks in Covina, CA
A standard residential door lock change in Covina runs $95 to $210 per door when we’re installing a Schlage or Kwikset deadbolt or entry knob. Rekeying an existing lock, meaning we change the internal pins so old keys stop working, runs $75 to $145 for the first lock and $25 to $40 for each additional lock in the same visit. Keying multiple outbuildings and gates onto one master key system on a Covina acreage property typically runs $145 to $280 in labor plus the cost of the hardware. The quote you get on the phone before we dispatch is the exact price on your invoice. No call-out surcharge added at the door, no inflated estimate after we see the job. Call (910) 714-4287 for a free written estimate.
We Also Serve Cities Near Covina
While this page focuses on Covina, our crews regularly handle change door lock jobs in Change Door Locks in Covina and the neighboring cities of Azusa, West Covina, Baldwin Park, and Glendora. If your property sits on the edge of Covina near the Azusa border or up toward Glendora, we can still reach you in under an hour.
Serving Covina, CA - Our Local Coverage Area
We’re based in the Covina 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 Covina
Covina’s inland basin gets triple-digit summer heat, and your wooden door jamb swells and warps enough that the deadbolt no longer lines up with the strike box. The fix is adjusting the jamb or relocating the strike plate, not replacing the deadbolt itself. When we do a Covina Door Lock Repair or lock change, we check this alignment as part of the install so this stops happening. Call (910) 714-4287 if you’re fighting this every year.
Yes. On Covina acreage and outbuilding properties we key everything alike in one visit: main house, back door, detached workshop, both side gates, and storage shed all end up on one key. We do the work same-day and include a written guarantee on the whole job. Call (910) 714-4287 before you schedule so we can confirm the number of locks and give you an exact price.
Yes, but the original surface-mount rim-lock hardware on those 1960s – 70s Covina screen doors is no longer manufactured, so a lockout or a worn-out keyway on the secondary door usually becomes a sourcing job rather than a simple replacement. We’ll measure the existing hardware, source a dimensional match, and install it during the same visit. The price for this type of change runs $120 to $220 depending on the hardware.
Sometimes. On newer door prep and modern chassis we can often remove and replace the lock without drilling. On Covina homes with 50 to 70-year-old hardware, misaligned or warped frames, and rusted fasteners, drilling out the old lock body is frequently the fastest and cleanest way to remove it without damaging the door. We’ll tell you before we drill, and the written quote covers it.
We install and service Schlage, Kwikset, Medeco, Yale, Baldwin, Mul-T-Lock, Sargent, and Abloy hardware. For most Covina homes we recommend Schlage or Kwikset deadbolts on the entry doors and Medeco or Mul-T-Lock high-security cylinders if you need something beyond a standard residential lock. We carry common Schlage and Kwikset hardware on the truck for same-day installs.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Covina since 2007.