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 Rialto
Changing a door lock in Rialto typically costs between $95 and $240 for a standard knob or deadbolt replacement, including the new hardware and labor. Most Rialto homes built between the 1950s and 1970s have original mortise locks or builder-grade cylinders that a modern lock won’t simply drop into, so the job is rarely as straightforward as swapping one part for another. At Dunmore Locksmith, we send a named, photo-badged technician to your door with the price in writing before any work begins. Our crews serve Rialto locally, from the industrial corridors along the I-210 down to the tract neighborhoods near Foothill Boulevard. Call (910) 714-4287 any hour and a live person answers – no voicemail, no chatbot.
Why Dunmore Locksmith Is Rialto’s Preferred Change Door Locks Company
Rialto homeowners call us because we’re honest about what their house actually needs. Much of Rialto’s residential stock is 1950s to 1970s tract housing, much of it converted to rentals, and a lot of those doors still have the original mortise lock bodies and landlord-grade single-cylinder deadbolts. That means a straight lock swap often fails without modification to the bore, the backset, or the strike plate. We tell you that before you spend a dollar.
Perry Osgood leads our team, and under the Threshold Standard, every technician is background-checked, identity-verified, and sent to you by name and photo before the visit. They arrive in a clean marked uniform and show a photo ID badge at the door before you open it. If anyone shows up who you were not told to expect, that visit is covered at no charge. That’s not a sales line – it’s policy.
Our crew reaches most Rialto neighborhoods within 30 to 45 minutes for lockout and emergency lock change calls. That covers areas like the neighborhoods off Riverside Avenue, the streets north of the 210 near Alder Avenue, and the older grid around Rialto Avenue and Willow Avenue.
Door Lock Change in Rialto
Door Lock Change in Rialto means removing the existing lock hardware and installing a new knob, lever, or deadbolt assembly. The catch in this city is that original doors from the 1950s through the 1970s were often bored and mortised for hardware that is no longer manufactured. A new Schlage or Kwikset deadbolt will not always thread into the old cylinder hole without re-boring or an adapter. When our technician tells you the door needs modification, that’s why.
Expect to pay $95 to $170 for a standard knob or deadbolt replacement on a door that accepts modern hardware cleanly. If the door slab needs re-boring, the job typically runs $140 to $240 because of the extra labor and the need to keep the original door intact. You’ll get a written price before any work starts, and that is the price on the invoice.
When Rialto Homeowners Replace
People replace locks after a move-in, after a break-in or attempted break-in, or when a key breaks off inside the cylinder. In Rialto’s rental-heavy neighborhoods, tenant turnover is the biggest driver. We regularly replace locks on homes south of the 210 where a property has changed hands or a new tenant has signed a lease.
Replacement Hardware Options
We stock Schlage, Kwikset, and Medeco hardware for Rialto customers and can match existing finishes on Baldwin and Yale sets. If you want a keypad or smart lock on an older door, we’ll tell you honestly whether the door prep will support it. Some will. Some won’t without more work than the lock costs.
Lock Change in Rialto
Lock Change in Rialto means swapping the cylinder – the part your key goes into – without necessarily replacing the entire lock body. This matters a lot here because so many homes still have original mortise lock bodies. A mortise body is the rectangular steel case inset into the door edge. You cannot buy a modern Schlage cylinder and thread it into that old body without modification. Rekeying or replacing the cylinder inside the existing body is often the right call, and it preserves hardware you can’t easily replace.
A cylinder swap or rekey on a standard deadbolt runs $65 to $110. If the cylinder itself is worn out from years of use and needs replacement, count on $85 to $130. On an original mortise lock, cylinder work runs $110 to $180 because the cylinder format is obsolete and the parts take more time to source and fit.
Rekey Versus Replace
Rekeying changes the internal pins so your old keys stop working. It costs less than replacing hardware and is usually done in 15 to 30 minutes per lock. But if the pin and tumbler stack inside the cylinder is worn, a fresh rekey won’t fix the gritty, binding feel. Then the cylinder itself is shot and should be replaced.
Rental Turnover Work
Rialto landlords call us between tenants on homes all along the older streets off Foothill and Baseline. In many of these, the original deadbolt has never been rekeyed across multiple tenants. We see worn cylinders that bind and keys that wiggle. Honest answer: rekey what’s serviceable, replace what’s not, and we’ll show you which is which before you pay.
Trusted Brands We Service in Rialto
We are factory-authorized to work on Schlage, Kwikset, Medeco, and Abloy hardware, along with Yale, Baldwin, Mul-T-Lock, and Sargent. That means we stock the actual pins, cylinders, and tailpieces for these brands instead of forcing generic parts. For Rialto customers with original mortise hardware, we keep obsolete-format cylinders and adapters on the truck so a lock change doesn’t stall for a special order. Whether you have a Kwikset knob on a 1990s interior door or a Medeco high-security deadbolt on a commercial bay, the parts come with us, not after us.
Common Change Door Locks Problems We See in Rialto Homes
- Obsolete mortise cylinders. Original mortise lock bodies in 1950s – 70s Rialto tract homes have cylinder formats that current Schlage or Kwikset cylinders won’t thread into without modification. A straight drop-in swap fails before it starts.
- Summer deadbolt binding. Rialto’s Inland Empire location produces summer highs that routinely exceed 105 – 110°F. Aluminum and steel door frames expand enough that deadbolt throws bind or refuse to seat, so keys stop turning from May through September.
- Warped door slabs. Decades of Inland Empire heat have warped many original front doors. A new deadbolt won’t throw into the strike plate without re-mortising or strike adjustment. That’s a common condition along the older streets near Rialto Avenue.
- Worn landlord-grade cylinders. Converted rentals where locks were never rekeyed between tenants often have pin and tumbler stacks worn smooth. A simple rekey doesn’t restore smooth operation – the cylinder itself needs replacement.
Pricing for Change Door Locks in Rialto, CA
A standard knob or deadbolt replacement in Rialto runs $95 to $170. A cylinder swap or rekey runs $65 to $110. Work on an original mortise lock runs $110 to $180. The honest range for most complete lock changes on older Rialto doors is $95 to $240, with the higher end covering door modification like re-boring, re-mortising, or strike adjustment. We never advertise a teaser price. The full price is quoted on the phone before anyone is dispatched, and there is no call-out surcharge added on arrival. You get a written price before work starts, every time. Call (910) 714-4287 for an exact quote – estimates are free.
We Also Serve Cities Near Rialto
Our Change Door Locks team covers Rialto and the surrounding Inland Empire communities, including Bloomington to the south, San Bernardino to the east, Fontana to the west, and Grand Terrace just across the 215. If you’re in one of those areas, the same written pricing, named-technician policy, and 365-day guarantee apply. This page is specific to Rialto, but the service standard doesn’t change at the city line.
Serving Rialto, CA - Our Local Coverage Area
We’re based in the Rialto 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 Rialto
Usually not without door modification. Original mortise lock bodies in 1950s – 70s Rialto tract homes have cylinder formats that current Schlage or Kwikset cylinders won’t thread into, and the door slab bore and backset often don’t match modern hardware. A straight replacement fails or leaves the door looking butchered. The honest answer is to rekey or replace the cylinder inside the existing mortise body when possible, and modify the door only when necessary. Call (910) 714-4287 and we’ll assess what your specific door needs.
Rialto’s summer highs routinely exceed 105 – 110°F, and that heat expands aluminum and steel door frames enough that deadbolt throws bind or refuse to seat. This is a predictable seasonal failure we see across the city from May through September, far more often than in coastal LA markets. The fix is usually strike plate adjustment or a slight re-mortise, not a new lock. Call (910) 714-4287 for an exact quote – estimates are free.
Rekey first if the hardware is serviceable. It costs $65 to $110 per lock and makes all previous keys useless. But if the original deadbolt has never been rekeyed across multiple tenants, the pin and tumbler stack may be worn enough that a fresh rekey won’t restore smooth operation. We’ll inspect each lock honestly and tell you which ones are worth rekeying and which cylinders are shot. Call (910) 714-4287 for a straight answer.
No. We use non-destructive entry methods first on Rialto lockouts, including mortise locks on older tract homes. Drilling is a last resort we explain before doing. A field example: a renter on the 300 block of N. Willow Avenue had an original mortise lock on a warped 1960s front door that we opened non-destructively, then rekeyed the existing cylinder and adjusted the strike. No drilling, no door replacement. Call (910) 714-4287 and the live person who answers will walk you through what to expect before a technician is dispatched.
Sometimes. A modern keypad deadbolt needs a standard bore and backset, and many original 1950s – 70s Rialto doors have obsolete mortise prep and warped slabs that won’t accept one without real carpentry work. We’ll tell you up front whether the door prep will support the smart lock you want, or whether the cost of modifying the door outweighs the benefit. Call (910) 714-4287 for an honest assessment before you buy hardware.
Call Dunmore Locksmith for Change Door Locks in Rialto
Rialto is one of the Inland Empire’s densest logistics and warehouse corridors, with millions of square feet of distribution facilities clustered along the I-210 Freeway. That creates unusually high commercial locksmith demand, but the residential side is where we see the most preventable mistakes: homeowners paying for a straight lock swap on a door that was never going to accept it. We built our approach around telling you what your specific door needs, putting the price in writing before any work starts, and backing every job with the 365-Day Done Right Promise. If it’s not done right, we make it right, for a full year, in writing. Every technician is background-checked, identity-verified, and sent to you by name and photo before the visit. Call (910) 714-4287 now – a live person answers 24/7, and the estimate is free.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Rialto under the Threshold Group umbrella since 2007.






