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 Malibu
Changing door locks in Malibu means dealing with salt fog, marine air, and hardware that fails faster here than almost anywhere else in LA County. A standard door lock change in Malibu typically runs $95-$220 per lock, including hardware and labor, and most jobs take under an hour once our technician arrives. Beach-facing properties on PCH, Carbon Beach, and in Malibu Colony often need marine-grade replacements that hold up where standard brass hardware crumbles. Call (910) 714-4287 for a free estimate with the full price in writing before any work starts.
Why Dunmore Locksmith Is Malibu’s Preferred Change Door Locks Company
Malibu residents call us because we show up knowing what salt air does to a deadbolt, not because we’re the nearest name in a search result. Our technicians work the full stretch of Malibu from Topanga to the Ventura County line, and they carry marine-grade replacement cylinders and stainless strikes in the van because that’s what coastal Malibu doors actually require. We’re part of the Threshold Group, operating since 2007 under The Threshold Standard: every technician is background-checked, identity-verified, photo-badged, and sent to you by name and photo before the visit. When someone arrives at your Malibu door, you already know exactly who they are and what they look like. If anyone shows up who you weren’t told to expect, that visit is covered at no charge.
Perry Osgood, who leads our Malibu work, has walked the hardware failures on Point Dume, in the Colony, and up the canyons. Our Change Door Locks team quotes the complete price on the phone before dispatch. That price is the price on the invoice. We’ve earned a strong local reputation in Malibu because we take the trust question seriously – you’re literally opening your door to us. The 365-Day Done Right Promise covers every job: if a replacement fails or the alignment shifts, we return at no charge for a full year.
Door Lock Installation in Malibu
Door lock installation in Malibu means fitting hardware that can survive Pacific salt air, not just swapping one brass cylinder for another. Homeowners along the beach corridor and in canyon neighborhoods call us when an existing deadbolt seizes, when a lock is damaged from a break-in attempt, or when a newly purchased home needs every exterior door re-secured before move-in. A straightforward door lock installation on a standard single-cylinder deadbolt in Malibu runs $95-$180; high-security installations with Medeco or Mul-T-Lock cylinders run $180-$350 per door because the hardware itself costs more and requires factory-authorized protocols for future key duplication.
Marine-Grade Hardware for Beach-Facing Doors
Brass and standard zinc cylinders corrode fast within a block of the surf. Near the Colony and Carbon Beach, we recommend 316 stainless strikes, marine-grade cylinders, and ceramic-coated finishes. These additions typically add $25-$40 per door over standard hardware and they’re the difference between a lock that lasts three years and one that seizes after one wet winter.
Keying Options for Vacation Homes
Malibu’s high proportion of second homes means owners often want a lock setup that supports multiple people: a house manager, a cleaner, a contractor. We can install a master-key system so one key controls the exterior doors while individual keys work only their assigned locks. For seasonal properties, we also recommend scheduling a service visit before arrival each season so you don’t stand at your own door with a dead key.
Patio Door Lock Change in Malibu
Patio door lock change in Malibu is one of the most common service calls we handle, because sliding glass doors facing the ocean take the brunt of salt spray, humidity, and temperature swings. The original locks on these doors – especially on older PCH-fronting cottages from the 1940s through 1960s – were rarely built for a marine environment, and the strike plates and latch assemblies corrode to the point of failure. A patio door lock change in Malibu typically runs $85-$180 for the lock hardware and installation; full replacement of the sliding door handle and lock assembly runs $150-$260 depending on the door brand and age.
Sliding Door Locks on Beach-Facing Homes
On a sliding patio door, the first thing to fail is almost always the strike plate on the fixed panel. Once that corrodes or loosens, the door cannot lock at all – and too often, nobody notices until a break-in or a failed inspection. We check the entire track, the rollers, and the frame alignment when we change a patio door lock, because a slightly sagging door will eat a new lock within months.
Mortise and Handle Set Replacements
Older Malibu canyon homes and rebuilt Woolsey-era properties often have mortise-style patio door locks or Euro-profile handle sets that are no longer manufactured. When we encounter those, we source a direct-fit replacement or modify the door to accept a modern marine-grade assembly. The price is always quoted before we touch the door, and we tell you honestly if a repair is possible or if replacement is the only path.
Trusted Brands We Service in Malibu
We’re factory-authorized on the hardware lines that matter in Malibu: Kwikset and Baldwin for residential-standard doors, Medeco for high-security deadbolts on Colony and bluff properties, and Yale for multi-point and smart-lock integrations on renovated homes. We stock marine-grade replacements locally for Malibu customers, which means we don’t waste a week waiting for a stainless strike plate to ship. If a beachfront owner needs a Kwikset deadbolt rekeyed or a Baldwin handle set replaced on move-in day, we handle it the same visit.
Common Change Door Locks Problems We See in Malibu Homes
- Seized brass cylinders on beach-facing doors. The marine layer keeps brass and zinc pin-and-tumbler components wet with salt condensation, and a deadbolt on the Colony or Carbon Beach can seize within one off-season. The fix is almost always a marine-grade cylinder, not more lubricant.
- Woolsey Fire rebuilds failing all at once. Homes rebuilt after 2018 in Point Dume, Malibu Park, and the canyons received matching high-security hardware – often Medeco or Mul-T-Lock cylinders – and that entire cohort is now hitting its first salt-air service cycle simultaneously. We’re seeing whole streets with the same corrosion pattern.
- Corroded strikes and plates on patio doors. Salt spray pits the zinc and brass strikes on sliding doors within a couple of salt-fog seasons, and once the strike plate fails, the door won’t hold – even if the lock itself works. We swap them for 316 stainless before the fog season returns.
- Legacy hardware on 1940s-1960s beach cottages. Many of the older homes along PCH still carry original mortise locks and glass-door hardware that is no longer made. When an owner can’t find a key blank or a replacement part, we machine an adapter or refit the door with a modern lock that won’t require custom parts again.
Pricing for Change Door Locks in Malibu, CA
A basic door lock change on a standard single-cylinder deadbolt in Malibu runs $95-$180 per lock, including the new hardware and installation labor. Patio door lock changes run $85-$180 for the lock alone or $150-$260 with a full handle set replacement. High-security Medeco or Mul-T-Lock deadbolts run $180-$350 per door because the cylinder hardware is more expensive and the keying protocol is factory-controlled. Marine-grade stainless strikes and corrosion-resistant cylinders add about $25-$40 per lock. We give the full price on the phone before dispatch. That number is the number on your invoice – no add-on surcharge when our technician arrives at your Malibu property. Call (910) 714-4287 for a free estimate.
We Also Serve Cities Near Malibu
Our crews work the full stretch of the coastal corridor and the canyons, so if you’re in Agoura Hills, Westlake Village, Thousand Oaks, or Calabasas and need a lock changed, we can help there too. We know the difference between coastal salt-air failures and inland heat-and-smog wear, and we bring the right hardware for each. See our Malibu service area details for scheduling and response times.
Serving Malibu, CA - Our Local Coverage Area
We’re based in the Malibu 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 Malibu
Beachfront locks within a quarter mile of the surf should be serviced every 12 months, ideally in late summer before the heavy fog season returns. The service includes removing the cylinder, cleaning the pins, checking the strike plate, and lubricating with a marine-rated product. On the Colony and Carbon Beach, we recommend annual service even on new hardware; a single wet winter can seize an unserviced brass cylinder. Call (910) 714-4287 to schedule a pre-season lock service.
We can often rekey a Medeco or Mul-T-Lock cylinder even with surface corrosion, but if the cylinder has seized or the keyway has pitted, replacement is the honest fix. Medeco and Mul-T-Lock use sidebars and pin tunnels that are far less tolerant of corrosion than standard Kwikset cylinders. On a Colony property where a deadbolt sat untouched through a full winter of salt fog, we typically quote replacement at the time of diagnosis because rekeying a compromised cylinder means asking a weakened core to keep working. The price is always in writing before we proceed.
On patio doors and beach-front entries, 316 stainless steel strikes, marine-grade cylinders with ceramic-coated finishes, and stainless multi-point locking rods are what survive. Baldwin has marine-grade lines for beachfront doors, and we specify those when we work within sight of the ocean. Standard satin nickel and unlacquered brass are almost always trouble in these locations, even with frequent maintenance.
The post-2018 rebuilds in Point Dume, Malibu Park, and the canyon communities went in with matching high-security hardware – commonly Medeco or Mul-T-Lock cylinders – and that entire cohort is now reaching its first salt-air service cycle simultaneously. Even in the canyons, the marine layer pushes far enough inland to coat the hardware in condensed salt fog, and the fine dust from canyon roads compounds the friction. Sticking is almost always the first sign of cylinder corrosion, and it’s cheaper to service or replace the cylinder now than to wait for a full seizure. We’d expect to see this across a neighborhood at once, not as isolated failures.
Yes, in most conditions. We monitor PCH closures and Canyon road status continuously, and when the coast route is blocked, our crews use canyon routes through the CV and Topanga networks to reach Malibu Park, the Latigo area, and other inland communities. During extended closures, we recommend calling earlier in the day for same-day service, because routing time increases. If a closure makes a scheduled appointment impossible, we call you directly with a revised arrival window, not after the fact.
If you’re standing outside a Malibu house that won’t open, or you’re scheduling a lock change before you hand your house keys to someone new, call us at (910) 714-4287. We answer the phone with a live person, we give you a written price before anyone is dispatched, and the technician who shows up is the person whose name and photo you already have. That’s the only way we work.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Malibu since 2007.






