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 Colfax
Changing the locks on a Colfax home usually means one of two things: either you want to rekey your existing hardware (same locks, new keys) or you want the lock bodies themselves replaced. A standard lock change or rekey in Colfax runs $85 – $185 per lock, and our crew reaches most neighborhoods within 45 – 70 minutes. The job takes about 20 – 30 minutes once we arrive. If you need it done today, call (910) 714-4287 and a live person will take your details and give you a written price before anyone is dispatched.
Colfax isn’t Auburn. The town sits at 2,400 feet on the I-80 corridor, and the housing here is a mix of Gold Rush-era railroad houses, mid-century bungalows, and newer builds up in the surrounding acreage. That mix matters when you’re changing door locks. A 1910 mortise lock on Grass Valley Street doesn’t accept a stock Schlage cylinder the way a 2005 tract home does, and a vacation cabin that sat empty through a Sierra winter has different problems than a house that’s lived in year-round. We know those differences because we see them every week.
Dunmore Locksmith has been serving Colfax residents since 2007 as part of the Threshold Group family. Every technician we send is background-checked, identity-verified, and sent to you by name and photo before the visit. When you open your door to a stranger, you should know exactly who that stranger is. You will.
Why Dunmore Locksmith Is Colfax’s Preferred Change Door Locks Company
Colfax homeowners call us because we tell them the truth about their locks before we touch them. The price goes in writing before work starts. Not a range and not an estimate that can drift upward. The number we quote on the phone is the number on your invoice, and there’s no call-out surcharge added when the technician arrives. If a repair fails inside a year, the 365-Day Done Right Promise means we return at no charge. That’s not a marketing line. It’s a written guarantee on every job.
Our reputation in Colfax is built on showing up as promised. Perry Osgood, who leads the team here, has drilled one rule into every tech: the customer gets a name, a photo, and a written price before you open the door. The technician arrives in a clean marked uniform and shows a photo ID badge at the door. If someone arrives who you were not told to expect, that visit is covered at no charge. That’s the Threshold Standard, and it’s how every Dunmore job runs.
Response time to Colfax matters more than in the valley. We schedule from our Los Angeles dispatch office, but crews work locally along the I-80 corridor and regularly run calls in Colfax, Auburn, and the foothill communities. For a lock change, most Colfax customers see us within the hour. For a seized deadbolt on a Tahoe-bound traveler’s car or a cabin owner who drove up from the Bay Area to find their key won’t turn, we treat it as urgent and prioritize it.
Door Lock Installation in Colfax
Door Lock Installation in Colfax takes on a particular character because of what’s behind the door. Homes in the historic core often have original mortise pocket prep that predates modern cylinder standards. You can’t always drill a new hole for a deadbolt without chewing through 120-year-old framing or damaging the original lock body. In those cases, installation means working with what the house gives you: rekeying the existing mortise cylinder to a fresh pin set or sourcing a compatible keyway profile that fits the shallow face bore.
A standard deadbolt or knob lock installation on a modern Colfax home runs $120 – $280, including the hardware and labor. If the door needs a fresh bore, add $30 – $60 for the prep work. If the frame is out of alignment from decades of settling, we’ll fix the strike plate alignment as part of the job. The price is written before any work begins, and that’s the price you pay.
What a New Installation Covers
We supply the lock, prep the door, install the cylinder and strike, and hand you the keys. For customers who want one key to operate all exterior doors, we can key the new lock to match your existing keyway. That’s a smart move in Colfax, where older homes may have three different keys for the front, side, and mudroom doors.
Older Doors Need a Different Approach
A 1900s door with a mortise lock doesn’t just accept a modern Kwikset deadbolt. The face bore is often too shallow, and the existing pocket was cut for a lock body that’s no longer manufactured. We carry retrofit kits and older profile cylinders for exactly this situation. You keep the original hardware and gain modern key control.
Patio Door Lock Change in Colfax
Patio Door Lock Change in Colfax is a different animal from a standard entry lock change because the hardware is integrated into the door assembly. Most sliding and French patio doors in Colfax homes use a mortise-style latch or a surface-mounted slide lock, both of which corrode faster at 2,400 feet than they do down in Auburn. Freeze-thaw cycling works moisture into the lock body, and by spring the thumb turn won’t budge or the key won’t seat.
A typical patio door lock replacement or rekey in Colfax runs $95 – $220, depending on the door type and whether the existing hardware can be rekeyed or needs full replacement. Sliding glass door locks tend to be cheaper to replace than French door handlesets with integrated deadbolts. The price you get on the phone is the price you’ll see on the invoice.
Sliding Door Locks
Most sliding patio doors use a simple hook latch and a thumb-turn cylinder. We stock common replacements locally for fast turnaround, and when a standard part won’t fit, we order from the manufacturer and schedule a return visit. Every repair carries our 365-day written guarantee.
French Door Handlesets
French door handlesets often pair with a deadbolt above the handle. If the handleset is seized but the deadbolt still works, rekeying is the cheaper fix. If the handleset itself is worn out, we replace it with matching hardware from Baldwin, Yale, or Kwikset and key everything to one working key.
Trusted Brands We Service in Colfax
We work on the hardware Colfax homeowners actually have on their doors. That includes Kwikset SmartKey systems, Yale deadbolts and mortise cylinders, Baldwin handlesets, and Medeco high-security cylinders for multi-tenant and commercial access control. Because we service rather than just sell, we stock common replacement parts and older keyway profiles so a rekey doesn’t turn into a week-long wait for a special-order cylinder. If your Colfax home has period hardware that predates modern standards, we’ll source a compatible profile rather than telling you to replace a lock body that’s part of the house’s character.
Common Change Door Locks Problems We See in Colfax Homes
- Old mortise locks with non-standard face bores. Homes in the historic core were built before standardized lock prep existed. A cylinder that works in a new house won’t seat in a 1910 pocket without modification, and forcing it bores out the wood and ruins the lock body.
- Freeze-thaw corrosion in cabin deadbolts. Vacation and second-home locks outside Colfax go four to six months without use over winter. Sierra moisture plus repeated freeze-thaw cycling corrodes pin tumblers in place. The key slides in perfectly but the cylinder won’t rotate.
- Multi-tenant key control failures. A landlord rekeys one unit in a Colfax apartment building but leaves the master key system unchanged. Old tenant keys still open common doors. The rekey was pointless, and we have to rebuild the master key plan.
- Patio door locks that freeze up after wet winters. Extended wet winters at 2,400 feet accelerate corrosion inside sliding door lock bodies. By the time spring arrives, the thumb turn is frozen solid and the lock is dead.
We got a call from a homeowner on Grass Valley Street whose 1910 railroad-era house had a mortise lock that wouldn’t accept a standard replacement cylinder. The face bore was too shallow for a modern deadbolt. Our tech used non-destructive entry to open the door without damaging the original hardware, then rekeyed the existing mortise cylinder to a fresh pin and tumbler set and sourced a compatible keyway. The owner kept the period hardware and gained key control without replacing the lock body.
Pricing for Change Door Locks in Colfax, CA
Here’s what you can expect to pay for a lock change in Colfax:
- Rekey a knob or deadbolt: $85 – $135 per lock
- Install a new deadbolt on an existing prep: $120 – $180 per lock
- Full door lock installation with fresh bore: $150 – $280 per door
- Patio door lock change: $95 – $220 depending on hardware type
- Mortise cylinder rekey on a historic home: $110 – $190, including sourcing a compatible keyway
What affects the cost in Colfax specifically: the age of the door prep, whether the lock body can be rekeyed or needs replacement, and whether you want all exterior doors keyed to one key. Our Change Door Locks team writes the full price before any work starts. Estimates are free, and the number we quote on the phone is the number you pay. No call-out surcharge, no after-the-fact additions. Call (910) 714-4287 for an exact quote.
We Also Serve Cities Near Colfax
If you live just outside the historic core, we cover the surrounding foothill communities too. That includes Auburn, Foresthill, Georgetown, and Newcastle. Many of our Change Door Locks in Colfax customers have family or rental properties in those towns, and the same written-price guarantee applies everywhere we work.
Serving Colfax, CA - Our Local Coverage Area
We’re based in the Colfax 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 Colfax
Yes. We use non-destructive entry and rekeying, meaning the lock body stays in place and only the internal pins change. The door itself is never altered. This matters in Colfax’s older rental stock, where doors and frames are often original and the freeholder won’t approve a fresh bore. We’ll also provide a written work order for your landlord or property manager.
Almost never. What you’re describing is freeze-thaw corrosion. At 2,400 feet, moisture works into the cylinder over winter, and repeated freezing and thawing seizes the pin tumblers in place. The key fits but the plug won’t rotate. It’s a maintenance failure, not an attack. We extract the cylinder, clean and re-lubricate it, and either rekey or replace it. Call (910) 714-4287 if you’re standing at the door now.
We rekey the existing mortise cylinder instead. Many Colfax homes built before 1920 have face bores too shallow for a modern Schlage or Kwikset cylinder. We source a compatible keyway profile and rekey the original lock body to new pins. You keep the period hardware and get fresh keys without boring out the pocket.
Yes, but only if the building has a proper master key system. If it does, we rekey the affected unit’s cylinder and issue new keys to that tenant while preserving the master. If the building has no master system or the key control is damaged, we’ll rebuild the key plan so common doors and individual units work on the correct hierarchy. This is standard commercial locksmith work, and we’ll write the scope and per-lock price before starting.
It’s part of the same service. Patio door lock changes cover sliding glass doors, French door handlesets, and surface-mounted slide locks. We rekey or replace the cylinder depending on the damage, and we key it to match your other exterior doors if you want one key for everything. A typical patio door lock change in Colfax runs $95 – $220. Call (910) 714-4287 for a written quote.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Colfax since 2007.






