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 Colma
Need a residential locksmith in Colma, CA? Blackthorn Locksmith & Security sends background-checked, uniformed technicians to homes near Hillside Boulevard and El Camino Real, usually within 30-45 minutes. We answer the phone 24/7 with a live person, not a voicemail tree. That matters in a town with fewer than 2,000 residents, where every service call is personal. Call us at (818) 390-9007 and you’ll get a written price before any work begins, not a verbal guess.
Colma is not a typical Bay Area bedroom community. Seventeen active cemeteries cover most of the city’s land. The living population is small, and the homes that do exist are mostly mid-century builds clustered along the eastern edge. What that means for you: fewer locksmiths actually understand Colma’s specific hardware, its fog-driven corrosion problems, and its unusual mix of residential and institutional properties. We do. Our crews serve Colma locally, with dispatch coordinated from our Los Angeles office and scheduling built around your actual lock problem, not a generic service menu.
Why Blackthorn Locksmith & Security Is Colma’s Preferred Residential Locksmith Company
Colma homeowners and cemetery administrators call us back for one reason: the job is done right and the space is left exactly as we found it. That’s the Cedarwell Care Promise, and it applies to every residential call in Colma, whether it’s a deadbolt replacement near Mission Road or a lock rekey on a Hillside Boulevard apartment. We write the price before work starts. We lay down shoe covers and drop cloths inside your home. We photograph the clean-up before we leave. And if something isn’t done right within 365 days, we return and make it right at no charge. That’s in writing, on every invoice.
Shane Delaney, our owner, built the company in 2008 on a simple standard: show up in uniform, explain exactly what the lock needs, and never leave a mess behind. Technicians respect quiet hours, ask before moving furniture or pet gates, and use pet-safe lubricants when children or animals are around. If your dog is napping or your toddler just went down, tell the dispatcher. We’ll arrive with quiet tools and minimal noise. That level of consideration is why families in Daly City, South San Francisco, and across Colma keep our number saved.
We carry hardware from Schlage, Kwikset, and Medeco, including corrosion-resistant finishes suited to Colma’s persistent marine fog. A standard Schlage deadbolt installation in Colma runs $145-$225. Rekeying a Kwikset or Schlage cylinder runs $85-$160 per lock. Medeco high-security rekeying runs $130-$220 per cylinder. Every quote is written, not spoken, and the price we quote on the phone is the price on your invoice. No call-out surcharge added on arrival. That’s a promise we’ve kept on every Colma job since we started serving the area.
Locked Out of Apartment in Colma
Locked out of apartment in Colma? We’ll send a technician to El Camino Real, Mission Road, or anywhere else in town, typically within 30 minutes, and the cost runs $95-$160 for standard lockout entry depending on the time and lock type. If you’re locked out of an apartment near the BART station or a mid-century walk-up off Hillside Boulevard, we handle entry without drilling whenever the cylinder is functional. The technician will identify themselves in uniform, show you a written price before touching the door, and use non-destructive entry tools first. In over a decade of serving Colma, drilling is almost always avoidable on standard residential lockouts.
Colma’s marine humidity makes exterior apartment locks stickier than inland locks. Pin stacks gum up, springs lose tension, and keys bend when users force them. That’s not your fault. It’s the fog. Our techs know which Colma apartment buildings have which hardware, and they arrive prepared for Schlage, Kwikset, and older Weiser cylinders alike. Every lockout call includes a cylinder inspection. If the lock is on its way out, we’ll tell you honestly and quote a replacement before you’re left locked out again on the next damp morning.
Non-destructive entry first
We use bypass tools, shims, and pick techniques before considering any drill. Drilling is a last resort, quoted and approved in writing before it happens. Most Colma apartment lockouts end with a working lock and a new key.
Reinforcement after entry
If the lockout revealed a worn cylinder or a broken latch, we offer on-the-spot rekeying or replacement. A fresh Schlage deadbolt installed the same afternoon typically runs $145-$225 including hardware and labor.
Lock Rekey in Colma
Lock rekey in Colma is the most common request we see from new homeowners, landlords, and families who’ve lost track of spare keys. Rekeying changes the internal pins of your existing lock cylinders so old keys stop working and new keys work instead. In Colma, rekeying a standard Schlage or Kwikset keyway runs $85-$160 per lock, with multi-lock discounts bringing per-lock cost down when we rekey the whole home in one visit. The process takes about 20-30 minutes per cylinder, and all rekey work carries our 365-Day Done Right Promise.
Colma’s mid-century homes often have original mortise locks that big-chain locksmiths won’t touch. We rekey those in place whenever the internal components are salvageable, which saves you the cost and disruption of retrofitting a modern bored lock. If the mortise body is pitted beyond repair, we’ll show you the damage, quote a compatible replacement, and give you a written price before any work begins. No surprise line items. No verbal estimates.
Rekey after a move
Settling into a home off Hillside Boulevard? You don’t know who has copies of the old keys. A full-home rekey on the day you move in means your family holds the only working keys. Most Colma homes are rekeyed in under two hours across every entry door.
Mortise cylinder rekey
Older Baldwin and Corbin mortise locks in Colma’s mid-century stock respond well to in-place rekeying when the cylinder isn’t badly corroded. We disassemble carefully, clean the pin chambers, and use corrosion-inhibiting lubricant before installing new pins. If the cylinder is too far gone, we replace the cylinder and preserve the original trim.
Trusted Brands We Service in Colma
We stock Schlage and Kwikset cylinders, keys, and deadbolts for same-day jobs across Colma, plus Medeco high-security cylinders for homeowners who want key control that can’t be copied at a hardware store. That inventory matters in Colma because the fog doesn’t wait for parts shipments. When a lock fails on a Hillside Boulevard home or a mausoleum service door at Cypress Lawn, we need the part on the truck, not ordered overnight. We carry corrosion-resistant finishes: satin nickel, marine-grade stainless, and weather-sealed ANSI Grade 1 deadbolts built for humid coastal air. If you prefer Yale for your front entry, we service and install it too. No brand snobbery. Just correct installation and honest advice about what survives Colma’s climate.
Common Residential Locksmith Problems We See in Colma Homes
- Seized keyways from marine fog. Colma’s near-daily fog pushes humidity into unprotected pin and tumbler mechanisms. Keys bind, stick, or snap in the cylinder. We rekey with corrosion-inhibiting lubricant and recommend weather-sealed hardware for exterior doors.
- Corroded mortise latches on mid-century homes. The original mortise sets near Hillside Boulevard and El Camino Real were never built for constant damp. Latches and strikes pitting means doors stop aligning and deadbolts won’t throw. We free them in place when possible, and retrofit with ANSI-rated replacements when the trim is past saving.
- Pitted padlocks and gate hardware. Cheap padlocks rust solid in the coastal fog. We’ve seen rusted shackles that no lubricant would free. Salt-exposed gate hardware needs marine-grade or stainless components, and we stock them for Colma’s exterior conditions.
- Broken keys inside exterior cylinders. Force a key in a fog-corroded lock and it snaps. We extract broken keys without damaging the cylinder whenever the keyway is intact, then rekey the lock so the snapped key can’t be used by anyone who finds the stub.
Pricing for Residential Locksmith in Colma, CA
Honest numbers, written down before we start. A standard lockout in Colma runs $95-$160. Rekeying a single Schlage or Kwikset cylinder runs $85-$160, with lower per-lock pricing when we rekey multiple doors in one visit. A new Schlage or Kwikset deadbolt installed runs $145-$225, including hardware and labor. Medeco high-security deadbolts run $200-$350 installed, depending on finish and cylinder type. The exact price depends on your existing hardware condition, the number of locks, and whether we’re matching an existing keyway. We quote the full price on the phone before dispatching anyone, and that’s the price on the invoice. No call-out surcharge on arrival. Call (818) 390-9007 for a free, written estimate on any residential lock job in Colma.
We Also Serve Cities Near Colma
Our Residential Locksmith team covers Colma and surrounding areas with the same written-price standard, uniformed techs, and 365-Day Done Right Promise. We regularly take calls from Los Angeles, San Diego, San Jose, and San Francisco, and our Colma customers often ask us to handle locks at family properties in those cities too. Wherever you search for Residential Locksmith in Colma or the surrounding Bay Area, the team coordinates directly from our Los Angeles office so every job gets the same care.
Serving Colma, CA - Our Local Coverage Area
We’re based in the Colma 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 Colma
Because Colma sits in one of the foggiest microclimates in the Bay Area, and ordinary lubricant isn’t corrosion-inhibiting. The marine air pushes moisture into the pin chambers, where it reacts with brass springs and steel pins to create a gummy, corrosive paste that standard WD-40 temporarily masks but doesn’t fix. The right fix is disassembly, cleaning the pin stack, re-lubricating with a corrosion-inhibiting product, and then rekeying. We do this on homes across Colma weekly, especially near the cemetery grounds where fog lingers longest. Call (818) 390-9007 for a rekey quote. Estimates are free.
In most Colma mid-century homes, yes, the original mortise lock can be rekeyed in place. We disassemble the mortise body, clean the corrosion, rekey the cylinder, and re-lubricate internal springs. The lock keeps its original trim and character. Replacement only becomes necessary when the internal case is cracked, the latch is pitted through, or the cylinder is seized beyond safe recovery. We’ll show you the damaged part before quoting a replacement, and the written price covers everything.
Almost never. Our technicians use non-destructive entry tools and pick techniques first. Drilling is a last resort reserved for failed digital locks, snapped-off cylinders with no bypass option, or damage from a previous break-in attempt. If drilling is ever needed, you’ll approve a written price before we touch the door. The typical El Camino Real apartment lockout ends with the lock intact and a new key in your hand.
Weather-sealed ANSI Grade 1 deadbolts with stainless steel or marine-grade interior components outlast standard brass hardware by years in Colma. We recommend Schlage’s B60-series or higher for residential front doors, plus corrosion-resistant finishes like satin nickel rather than polished brass. For gate hardware and padlocks, marine-grade stainless or solid bronze bodies survive the damp far better than zinc or plated steel. We stock these specifically for Colma’s conditions and quote them honestly on every exterior job.
We service the older locksets, and we’d rather repair a quality mid-century mortise lock than sell you a generic modern replacement. Original Baldwin, Corbin, and Schlage mortise sets in Colma’s Hillside Boulevard and El Camino Real homes have solid internals that respond well to cleaning, rekeying, and proper lubrication. When a part is discontinued, we source compatible replacements or machine-match what we can. If the lock is beyond saving, we’ll tell you plainly and quote a retrofit that respects the original door prep.
Call Blackthorn Locksmith & Security at (818) 390-9007 for a free written estimate on any residential lock job in Colma. We answer live, 24 hours a day, and we’ll have a uniformed, background-checked technician at your door with a written price before any work begins. Shoe covers, drop cloths, and a photo of the clean-up included on every visit.
Written by Shane Delaney, Owner at Blackthorn Locksmith & Security, serving Colma since 2008.






