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 Claremont
Changing a door lock in Claremont typically costs $95 – $285 per lock, depending on whether you’re swapping a standard deadbolt, rebuilding a legacy mortise lockset in a Village bungalow, or keying multiple doors alike in one visit. Most jobs are done same day, and we give you a written price before any work starts. If you’ve just moved into a house near the Claremont Colleges, ended a lease off Foothill Boulevard, or lost a key somewhere between the Village and Memorial Park, call (910) 714-4287 and a live person answers. We send a background-checked technician to you by name and photo before arrival, so you know exactly who’s at the door.
Claremont’s housing stock throws real curveballs at anyone changing locks as a sideline. The craftsman bungalows and Spanish Colonial Revival homes near the Village, many built between 1910 and 1945, still carry original mortise locksets that standard modern kits won’t fit without milling or a full retrofit. That’s local knowledge you only get from doing this work block by block. And it’s the difference between a clean one-hour job and a botched door someone has to call us to fix later.
Why Dunmore Locksmith Is Claremont’s Preferred Change Door Locks Company
We’ve been serving residential and commercial customers under the Threshold Group umbrella since 2007, and Claremont’s specific mix of historic homes, college-adjacent rentals, and mid-century ranch houses shows up in our work every week. The homes near Indian Hill Boulevard and north of Base Line Road need patience and legacy parts. The ranch homes south of the 210 need faster, simpler hardware swaps. Knowing which is which before we arrive is why Claremont homeowners keep calling us back.
Every technician we send is background-checked, identity-verified, and uniformed. Before the visit, you get a name and a photo. At the door, they show a photo ID badge. That’s the Threshold Standard, and it’s non-negotiable. If the person at your door isn’t who we told you to expect, you don’t have to let them in and the visit is covered at no charge. Most Claremont customers mention that policy more than the hardware we install.
The work is covered by the 365-Day Done Right Promise. If a lock change fails within a year, we return and make it right at no charge. That’s written on every job. And the price we quote before we dispatch is the price on the invoice. No arrival surcharges, no after-the-fact totals.
Change Lock Cylinder in Claremont
Change Lock Cylinder work in Claremont usually means swapping or rebuilding the internal cylinder so your old keys stop working and new ones take over, and it runs $95 – $185 for a standard deadbolt or knob lock. In the Village’s older craftsman bungalows, where the original mortise locksets often accept only legacy cylinders, we frequently rebuild the mortise body and fit a new cylinder rather than tearing out the whole lock. That’s the difference between preserving a 1920s door and destroying it.
When a cylinder swap makes sense
You moved into a new house, a tenant moved out, or a key went missing somewhere around the Claremont Colleges campus. You don’t need a whole new lock. You need the old key rendered useless. We pull the cylinder, swap the pins or the cylinder body itself, and cut new keys. In and out, usually under an hour.
What it costs in Claremont’s market
Plan on $95 – $185 for a basic cylinder change on a standard Kwikset or Schlage deadbolt. If you’ve got an original mortise lock near the Village, expect $185 – $285 because the cylinder has to be rebuilt or retrofitted with legacy parts, not just swapped. We give you that exact figure in writing before we start.
Door Lock Installation in Claremont
Door Lock Installation in Claremont means installing a new deadbolt, knob lock, or full entry handle set on a door that never had one, or replacing a failing unit outright, and the typical cost runs $145 – $285 for a standard residential installation. Older bungalow doors with settled jambs and thin stile profiles take more fitting work than the hollow-core doors in the ranch homes southeast of Towne Avenue, so we factor that into the written quote upfront.
Fresh deadbolts on older Claremont doors
Craftsman doors from the 1910s through 1930s often have narrow stiles and decades of paint buildup. A quality ANSI Grade 1 deadbolt from Baldwin or Yale can be installed cleanly, but it takes careful boring and a strike plate set to match the settled jamb. We do it non-destructively and reinforce the strike with longer screws into the frame.
Keyed-alike setups on larger properties
Claremont has a surprising number of properties with detached garages, workshops, and garden gates. If you want the front door, back door, and gate all on one key, we do that in a single visit. One key, every cylinder repinned to match. It’s the most common request we get from homeowners on larger lots north of Foothill and along Mills Avenue.
Trusted Brands We Service in Claremont
We install and service factory-authorized Kwikset, Medeco, Yale, and Baldwin hardware, and we stock the common cylinders, pins, and strike hardware that Claremont homes actually need. That means a Village bungalow with an original mortise body doesn’t have to wait a week for a legacy cylinder to arrive from a warehouse. If you have a newer smart lock or keypad entry system, we service those too, including the heat-related failures we see every summer when exterior electronics cook in 100°F-plus inland temperatures. Tell us your existing brand and we’ll tell you honestly whether a rebuild or a replacement is the better use of your money.
Common Change Door Locks Problems We See in Claremont Homes
- Santa Ana wind-season deadbolt binding: The extreme low humidity each fall shrinks wooden door frames enough that strike plates drift out of alignment. A deadbolt that threw perfectly in July suddenly binds in October. We fix the strike alignment and often replace the short plate screws with 3-inch screws into the framing.
- Legacy mortise locksets grinding to a halt: Original locks in pre-1945 Village bungalows wear down their internal pin and tumbler components over decades. We were called to a 1920s craftsman bungalow near the Claremont Village where the original mortise lock had been grinding for months and the owner wanted a fresh keyed-alike set. We pulled the mortise body, replaced the worn cylinder and internal components, fitted a new ANSI Grade 1 deadbolt above it, and keyed the new cylinder to match the existing front-door key, all in one visit. The homeowner had been told by a previous tech that the whole door needed replacing. We just needed the right legacy parts and a non-destructive repin.
- Smart lock and keypad failures after summer heat: Climates like Claremont’s, where summer days regularly clear 100°F, break down the lubricants and plastic internals in electronic entry systems faster than coastal conditions do. Keypads start misfiring or not reading codes by late August. We replace degraded internals or recommend heat-rated hardware.
- Rental turnover key chaos near the Colleges: Landlords with units near the Claremont Colleges deal with tenant turnover every academic year. Old keys floating around campus, sublets, roommates. We rekey to a fresh master and tenant key system quickly, usually during the same August-September rush when the colleges themselves are cycling cylinders.
Pricing for Change Door Locks in Claremont, CA
Here’s what Claremont homeowners can expect to pay. A standard lock cylinder change runs $95 – $185. A full door lock installation with a new deadbolt and handle set runs $145 – $285. A legacy mortise lock rebuild in a Village bungalow runs $185 – $285. Keyed-alike service across multiple doors runs $95 – $245 depending on the number of cylinders and whether any need rebuilding. The price we quote on the phone is the price on your invoice. No call-out surcharge added at the door. No fuzzy estimates. Call (910) 714-4287 for an exact written quote before anyone is dispatched.
We Also Serve Cities Near Claremont
Our Change Door Locks team regularly works in Claremont and the surrounding Inland Valley, including Montclair, La Verne, Upland, and Ontario. If you’re just across the city line, the same written pricing, background-checked technicians, and 365-day guarantee apply. Call the same number and a live person handles the rest.
Serving Claremont, CA - Our Local Coverage Area
We’re based in the Claremont 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 Claremont
Yes. We rebuild or retrofit the existing mortise cylinder and internal components, preserving the door and lock body, and the cost ranges from $185 – $285 in Claremont. You do not need a new door, and you rarely even need to replace the mortise body itself. The previous technician who told that homeowner near the Village to replace the whole door was wrong. Call (910) 714-4287 for a written quote on your specific lock.
Santa Ana wind season drops humidity so severely that your wooden door frame shrinks and the strike plate drifts out of alignment with the deadbolt throw. It’s a seasonal, predictable issue in Claremont, especially on older craftsman doors with settled jambs. We realign the strike and reinforce it with longer screws so it doesn’t keep happening. A quick fix, usually under $100 when bundled with another lock service.
Yes, and we do it frequently across Claremont, especially on properties with detached garages, gates, and workshops. We repin each cylinder to match a single key, including legacy mortise cylinders if your bungalow still has them, and complete the work in one appointment. The cost depends on how many cylinders and their condition, typically $95 – $245 for a full property.
Yes. We service and replace keypad and smart lock systems from major brands, and we see a lot of heat-related failure in Claremont because inland summer temperatures exceed 100°F and degrade lubricants and internal components faster than coastal markets. If your keypad is misfiring or your smart lock won’t read codes, we’ll diagnose whether it’s a rebuildable mechanism or a replacement job, and give you the price in writing first.
Usually not. In most Claremont homes we can pick the lock non-destructively, then rekey or replace the cylinder so the lost key no longer works. Drilling is a last resort for heavily damaged or seized locks, and you’ll know the cost before we do it. Call us first, (910) 714-4287, before you break out the drill yourself.
If you need a lock changed, a cylinder rebuilt, or a whole property keyed alike in Claremont, call (910) 714-4287 now. You’ll get a live person, a written quote before dispatch, and a technician sent to you by name and photo before they arrive. That’s how Dunmore does door security.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Claremont and the Inland Valley as part of the Threshold Group family since 2007.