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 Rekey Locks Across Half Moon Bay
Rekeying a lock in Half Moon Bay typically costs $85 to $160 for the first cylinder and $25 to $45 for each additional cylinder keyed to the same key. Most jobs take under an hour once we’re at the door, and we carry marine-grade replacement cylinders in the truck because this coastline eats standard brass faster than anywhere else over the hill. Salt fog is the constant variable here. If you’re on a fog-belt street north of Highway 92 or within sight of Pillar Point, your locks are working in an environment nothing like Redwood City or San Mateo. Call (956) 275-7388 and a live person answers, any hour, to schedule a rekey with a written price before we dispatch.
Why Ridley Locksmith & Security Is Half Moon Bay’s Preferred Rekey Locks Company
We’re not a call center sending an unknown crew from across the Bay. Ridley Locksmith & Security operates under The Garrison Standard, a written code every technician answers to on every job in Half Moon Bay and the surrounding coast. That means background-checked, uniformed technicians, a written price before any drill bit touches a lock, and a written guarantee covering the work for one full year. Drew Kowalski runs our operations to that standard, and it’s not negotiable.
Half Moon Bay homeowners and business operators along Main Street, in the Alsace Lorraine neighborhood, and out toward Miramar have seen what salt air does to cheap hardware. When they call us for a rekey, they get a technician who already knows what a seized Schlage deadbolt looks like after two winters on a coastal 1960s ranch. That local knowledge means fewer surprises and a faster job. Our dispatch and scheduling are coordinated from the brand’s San Francisco Bay Area office, and crews serve Half Moon Bay locally.
Every job carries a written guarantee, not a verbal promise. A document. It covers the rekey for a full year under the 365-Day Done Right Promise. If the repair fails inside that window, we return at no charge. That second visit is included automatically, not something you have to fight for.
Rekey Service in Half Moon Bay
A rekey service in Half Moon Bay changes the internal pins and springs inside your existing lock cylinder so old keys stop working, without replacing the lock body or the door hardware. It’s the fastest way to restore security after a tenant moves out, a key goes missing, a contractor finishes work on your coastal house, or a cleaning crew or dog walker returns their copy. The hardware stays. The key changes. For most Half Moon Bay homes, a standard single-cylinder deadbolt rekey runs $85 to $160 per lock, with additional locks keyed to match at $25 to $45 each.
The marine layer complicates this work. When salt has already corroded the pin and tumbler stack inside a cylinder, a simple rekey can seize mid-turn. We inspect the cylinder before we repin it. If the internal stack is pitted or binding, we tell you, show you, and replace the cylinder with a stainless or marine-grade unit before we cut the new keys. You get the rekey done once, not every season.
Deadbolt and Entry Rekey
We rekey deadbolts, knob locks, lever locks, and mortise cylinders on homes and storefronts throughout Half Moon Bay. The most common call is a front door deadbolt and entry knob that need to work from a single key. We cut the new keys on site and test every cylinder before we leave.
Rental Turnover and Contractor Keys
Short-term rental operators along the coast and property owners in Half Moon Bay’s older neighborhoods call us between tenants and after remodel crews return their keys. A rekey is faster and cheaper than replacing hardware, and it gives the new occupant a clean key history. We can also set up a master key system if you run multiple units on one property.
Keyed Alike in Half Moon Bay
Keyed alike in Half Moon Bay means every lock we rekey is set to the same key, so your front door, back door, side gate, garage entry, and shed all open from one key on your ring. For homes with three or four exterior doors, this is the most common setup we recommend. The rekey labor runs $85 to $160 for the first cylinder and $25 to $45 per additional cylinder, and the convenience of one key for the whole property stops the jangle and the guessing.
On coastal properties, keyed alike has a second benefit. When every exterior lock uses the same keyway and pinning, you’re more likely to notice a failing cylinder early because you use that key multiple times a day. A cheap padlock on a salt-exposed gate will freeze inside a season, but if it’s keyed alike with your deadbolts, the failure is obvious and localized. You replace the padlock, not the whole system.
Whole-House One-Key Setup
We rekey every exterior lock on a Half Moon Bay house to a single key and test each one for smooth operation. If a deadbolt shows salt damage, we replace the cylinder before keying it alike. The result is one key, every door, no second key for the garage or side gate.
Rental and Multi-Unit Keyed Alike
For a Half Moon Bay property with a main house and a separate unit, we can key both to one key or build a master key system where each unit key is unique and the owner key works every door. We scope this work in writing before any job starts, with a flat per-lock price. No charge to come out and look.
Trusted Brands We Service in Half Moon Bay
We rekey hardware from Schlage, Kwikset, Yale, and Medeco, including the high-security Medeco and Mul-T-Lock cylinders that require specialized pinning and key control. Our trucks carry common Schlage and Kwikset pin kits and stainless replacement cylinders suited to coastal exposure, so most Half Moon Bay rekeys are completed in a single visit. If your hardware is a Baldwin mortise lock on a Main Street commercial door or a Medeco high-security deadbolt on a harbor-facing property, we service it. If the cylinder is too far gone from salt, we tell you plainly and quote a replacement before any work starts. You’ll know the written price for every option.
Common Rekey Locks Problems We See in Half Moon Bay Homes
- Seized pin and tumbler stacks from salt fog. The marine layer pushes salt-laden moisture against lock cylinders year-round, and on fog-belt streets near the ocean this corrodes the internal pin stacks inside deadbolts. A key that binds mid-turn or won’t insert fully is often a cylinder that needs cleaning or replacement before a rekey can work.
- Corroded strikes and latch plates. Even when the cylinder is fresh, a pitted strike plate on an ocean-exposed door makes the bolt drag and the lock feel rough. We swap corroded strike hardware for stainless while we rekey, so the door locks cleanly instead of fighting you.
- Cheap padlocks destroyed by salt. Brass padlocks on sheds, gates, and storage boxes near the water pit and freeze within a season. A rekey can’t save a lock that won’t turn. We replace these with marine-grade or stainless padlocks that survive, and key them alike with your house if you want one key for everything.
- Mixed hardware from multiple past key changes. Older Half Moon Bay homes often have three different keyways across four doors because previous locksmiths installed whatever was on the truck. We consolidate everything to one keyway and one key during a keyed-alike rekey, and that also makes future rekeys faster and cheaper.
Pricing for Rekey Locks in Half Moon Bay, CA
In Half Moon Bay, a standard rekey runs $85 to $160 for the first lock cylinder and $25 to $45 for each additional cylinder keyed to the same key. A typical front and back door on one key lands around $110 to $205 total. If a cylinder is too corroded to rekey, a new stainless or marine-grade cylinder adds $35 to $90 per lock, and we tell you that before touching the hardware. The written price you approve before work starts is the price on the invoice. No arrival surcharge, no price that moves at the door. Call (956) 275-7388 for an exact quote. Estimates are free and a live person answers 24 hours a day.
We Also Serve Cities Near Half Moon Bay
Our Rekey Locks team covers Half Moon Bay plus the surrounding coast and bayside communities. If you’re in El Granada, Burlingame, Millbrae, or Belmont, we dispatch the same background-checked technicians and the same written-price standard. For full detail on our coastal coverage, see Rekey Locks in Half Moon Bay and call (956) 275-7388 to schedule.
Serving Half Moon Bay, CA - Our Local Coverage Area
We’re based in the Half Moon Bay 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 Rekey Locks in Half Moon Bay
Salt-laden fog from the marine layer settles on lock cylinders along the coast and works into the pin and tumbler stack, where it corrodes the moving parts and binds them. Friends over the hill in San Mateo get the same brands and the same installs, but not the constant salt exposure. On a fog-belt street in El Granada we rekeyed a full set of exterior doors on a 1960s ranch house whose Schlage deadbolts had frozen solid – the key would not turn past the first pin. We pulled the cylinders, found salt corrosion binding the pin and tumbler stacks, and replaced them with stainless marine-grade cylinders before rekeying everything to a single key for the owners. Their old keys stopped working the same day, and the doors swung and locked like new. Call (956) 275-7388 if your lock is starting to bind. The fix is usually faster than the frustration.
We can rekey most existing locks in Half Moon Bay provided the cylinder internally is not corroded to the point where new pins won’t seat cleanly. Coastal homes are the exception more often than not. We inspect the cylinder first and show you what we’re seeing. If it’s salvageable, we rekey it. If the pin stack is pitted, we replace the cylinder and rekey the new one. The hardware stays. Call (956) 275-7388 for a same-day inspection with a free estimate.
It buys you a cylinder whose internal pins and springs resist the salt corrosion that kills standard brass cylinders along this coast. Oceanfront properties near Pillar Point and the harbor often need cylinder attention annually because the fog never really stops. Stainless and marine-grade cylinders extend that cycle and keep the key turning smoothly. They cost more up front, but you’re not rekeying or replacing the same cylinder every year. We carry them on our trucks and can quote the difference in writing before any work starts.
Yes. We key every lock on the property to a single key or build a master key system where you carry one key and each unit carries its own. For Half Moon Bay short-term rentals and coastal properties, master keying also means cleaners, contractors, and guests never need to trade keys. We scope the whole job in writing with a flat per-lock price, and every lock is covered by the 365-Day Done Right Promise. Call (956) 275-7388 and tell us how many doors you’ve got.
Usually not. A brass padlock that has been pitted by salt and freezing sea air has internal corrosion a rekey won’t fix. The keyway might turn, but the shackle and internal mechanism are compromised. We recommend replacing weather-exposed padlocks on Half Moon Bay sheds, gates, and storage boxes with marine-grade or stainless padlocks, and we can key the new padlock alike with your house deadbolt so it works on the same key. The written price for replacement comes first, before any work starts. Call (956) 275-7388 for a quote.
Written by Drew Kowalski, Owner at Ridley Locksmith & Security. Part of the Garrison Partners family, operated to The Garrison Standard since 2007.







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