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 Montclair
Locked out on Monte Vista Avenue at 9 p.m., or standing at a new house near the 10 Freeway with keys that no longer work? A residential locksmith in Montclair should get to you fast, quote a firm price before dispatch, and prove who they are at your door. That’s exactly how we operate. Preston Locksmith & Security answers calls live around the clock, and our techs generally reach most Montclair neighborhoods in 20 to 35 minutes. Call (409) 405-4485 for a free estimate, and we’ll confirm the full price before anyone rolls a truck.
Why Preston Locksmith & Security Is Montclair’s Preferred Residential Locksmith Company
Montclair homeowners tell us the same thing again and again: they want a locksmith who shows up when promised, charges what was quoted, and doesn’t turn a simple rekey into a $600 lock replacement. That’s the baseline we work from every single day. Our techs know the difference between a Kwikset KW1 keyway and a Schlage SC1, which matters when half the houses built near Holt Blvd in the 1950s and 1960s still carry their original cylinders. We can rekey most of them on the spot for less than the cost of new hardware.
Every job in Montclair is backed by the 365-Day Done Right Promise. If the repair isn’t right, we make it right, with a free second visit if something fails. Phone calls are answered by a live person 24/7, not a callback queue, and the technician who arrives is background-checked and in uniform. Kevin Yoon, who leads our team, has built the business around one idea since 2008: written pricing, visible work, and a guarantee stamped on every invoice.
House Key Locksmith in Montclair
A house key locksmith in Montclair handles the most common residential call we get: keys that won’t turn, keys that broke off in the cylinder, or a homeowner who just bought a mid-century ranch near the Montclair Plaza and doesn’t know how many old keys are still floating around. The work usually means cutting new keys, rekeying existing cylinders, or replacing worn pins. Rekeying a standard lock in Montclair typically runs $25 to $45 per cylinder, with the full price confirmed in writing before we start.
Rekeyed cylinders, not brand-new hardware
Most Montclair homes built between 1950 and 1980 use Kwikset or Schlage pin-and-tumbler locks that are perfectly serviceable. Rekeying, which swaps the internal pins so old keys stop turning, is cheaper and faster than replacing the whole lockset. No drilling, no mess, no upsell.
Bought a house? Reset every key
A homeowner on the 4600 block of Bandera Street called after closing on a mid-century ranch. The seller’s keys still worked the same Kwikset KW1 cylinders on the front door and side gate, and two old keys were missing. Our tech rekeyed both cylinders with a 5-pin kit on the spot, reset the pins so the old keys stopped turning, and confirmed the deadbolt threw clean without drilling. The homeowner was quoted the rekey price before dispatch and paid exactly that.
House Lockout in Montclair
A house lockout in Montclair usually happens at the worst possible time: kids inside, groceries on the porch, keys on the kitchen counter near Moreno or Ramona. Most lockouts we resolve without drilling. The first tool out should be a pick, not a power drill. If a locksmith reaches for a drill on a standard pin-and-tumbler lock, there’s a good chance they don’t know how to pick it. A house lockout in Montclair typically runs $95 to $165 for non-destructive entry, fully quoted before we dispatch.
Non-destructive first
We carry bypass tools, picks, and air wedges sized for residential doors. Drilling is a last resort, reserved for high-security cylinders, broken hardware, or medeco locks that cannot be picked safely. We’ll tell you if drilling is required and why before we cut anything.
Proof you’re not handing keys to a stranger
Our uniformed tech arrives with a printed work order and matching photo ID. You’ll see a live arrival time on your phone before we show up. The price was already locked in writing, and we hand you a digital invoice with before-and-after photos before we leave.
Trusted Brands We Service in Montclair
We’re trained on Schlage, Kwikset, and Medeco hardware, plus high-security cylinders from Abloy and the rest of the premium market. If your Montclair home has an old Schlage deadbolt near the garage or a Kwikset knob set from the 1980s on the back door, we stock the common pins, springs, and cylinders to handle it same day. No waiting on a parts order for standard repairs.
Common Residential Locksmith Problems We See in Montclair Homes
- Original builder-grade cylinders on 1960s tract homes. Houses built north and south of the 10 Freeway still carry their original Kwikset KW1 or Schlage SC1 locks. Pins wear down over 50 years, and keys start sticking. A rekey with fresh pins takes 20 minutes.
- Heat and dust gumming up cylinders. Montclair summers hit triple digits, and the fine dust from the foothills works its way into keyways. Graphite and oil attract grit. We clean and lubricate cylinders before rekeying so the new pins turn smooth.
- Key control after multiple renters or owners. Properties near Montclair Place or along Holt Blvd change hands and tenants often. If you don’t know every copy of your house key that ever existed, a rekey resets the equation.
- Smart lock upgrades on 2-inch crossbores. Many Montclair doors have standard 2 1/8-inch crossbores, which fit most Schlage Encode or Kwikset Halo smart locks without drilling. We’ll tell you if your door is compatible before you buy anything.
Pricing for Residential Locksmith in Montclair, CA
Here’s what you can expect to pay in Montclair, based on what we actually see in local homes. Rekeying a standard lock: $25 to $45 per cylinder. Non-destructive house lockout: $95 to $165. Deadbolt installation on a standard door: $45 to $90 for labor when you supply the hardware, or $120 to $220 installed with a standard Schlage or Kwikset deadbolt. Lock change with new hardware: $85 to $180 per door depending on trim. Window lock installation: $35 to $70 per window. Door reinforcement with a strike plate kit: $90 to $150. These are honest, firm ranges. The quote we give you on the phone is the price on your invoice. No dispatch surcharge, no “trip fee” added when the truck arrives, no bait price that swells after a tech walks through your door. Call (409) 405-4485 for an exact quote, and we’ll walk through the scope before dispatch.
We Also Serve Cities Near Montclair
Preston Locksmith & Security serves homes across the Pomona Valley. If you’re in Claremont, Ontario, Pomona, or La Verne, our Residential Locksmith team can usually reach you just as fast. We dispatch from the Inland Empire office and route technicians based on live traffic, not a static service map. That means a Residential Locksmith in Montclair or the next city over gets the same written quote, tracking link, and 365-day guarantee.
Serving Montclair, CA - Our Local Coverage Area
We’re based in the Montclair 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 Montclair
Almost never. Most Montclair homes use standard Schlage or Kwikset pin-and-tumbler cylinders that open with non-destructive picks in under 10 minutes. We only drill when the lock is physically broken or it’s a high-security cylinder that can’t be bypassed. We’ll tell you the method and the cost before touching the door. Call (409) 405-4485 for a firm quote.
Yes. The price is in writing before dispatch. You approve it on the phone, and the technician arrives with a work order showing exactly what you agreed to. If the scope changes, we talk through the new price and you approve it before we do anything extra. No surprises on the doorstep.
Absolutely. Most of the Schlage and Kwikset locks on Montclair homes are worth rekeying, not replacing. Rekeying runs $25 to $45 per cylinder and resets the pins so old keys stop working, without swapping hardware. We carry pin kits for KW1, SC1, and most common residential keyways, so the work is done same day.
You’ll see a background-checked, uniformed technician with a printed badge and a matching work order. The Relay Visibility Guarantee gives you a live trackable arrival time before we arrive, and we send before-and-after photos of every job. Kevin Yoon leads the team, and every tech carries the same standards: uniform, ID, written price, and a guarantee on every repair.
That depends on your door and your habits. Most Montclair doors have a standard 2 1/8-inch crossbore, which fits Schlage Encode or Kwikset Halo smart locks with no extra drilling. Smart locks run $180 to $350 installed depending on the model and whether you also want a key backup. We’ll tell you what fits your door before you spend a dollar. Call for a free compatibility check.
Written by Kevin Yoon, Owner at Preston Locksmith & Security, serving Montclair since 2008.






