Smart locks
House lockouts
Re-keying
Deadbolt upgrades
Schlage
Kwikset
Car keys & fobsNon-destructive entry first, always - and we re-key Schlage, Kwikset, and Baldwin locks on the spot while you watch
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Get your free estimateKwikset Locksmith in Foster City, CA | Citadel Locksmith
We service, rekey, and install Kwikset locks across Foster City’s lagoon tracts and waterfront rebuilds, and we do it as an independent shop, not a Kwikset dealer. The difference matters here more than most places: Foster City’s single-era housing stock means we see the same original builder-grade hardware and the same salt-air failures week after week. Call (833) 589-8078 and you’ll reach someone who knows exactly which Kwikset cylinder your 1970s tract knob uses.
Why Foster City Residents Choose Us for Kwikset Service
Kwikset built the locks on a large share of Foster City’s original homes, and that’s not a coincidence. The city’s planned tracts went up fast in the late 1960s through the 1980s, and builders reached for Kwikset’s Tylo and Juno lines on thousands of front doors. We’ve worked on enough of them to know the wear patterns and the fix that lasts. Roland Vásquez, our owner and master locksmith, learned the mechanical side of this trade at City College of San Francisco and spent decades working Bay Area neighborhoods where salt air and builder hardware meet. That’s exactly the combination Foster City presents, and it’s why our Kwikset sales & service work here is built on hands-on repetition rather than guesswork.
We stock genuine Kwikset cylinders, SmartKey rekey kits, and deadbolt assemblies for the keyways this city actually uses. When a part is discontinued or a marine-grade finish is the smarter call for a dock gate, we say so and install the better option. No mystery parts, no generic cylinders that sort of fit. Foster City homeowners call us because the first fix is usually the right one.
Styles & brands we work with







Common Kwikset Locksmith Problems We Solve in Foster City
- Sticking or seized exterior deadbolts on lagoon-facing doors. Salt-laden bay air and the morning fog that rolls through Foster City’s canals work into Kwikset cylinders and thumbturns. Keys start turning hard, then won’t turn at all. We disassemble, clean, and lubricate before replacing what’s actually corroded.
- Worn builder-grade knobs from the original tract build-out. A 1970s Kwikset Tylo knob on a Foster City entry has decades of key turns behind it. The cylinder wafers wear smooth, the key wobbles, and the lock turns sloppily long before it fails completely. We can rekey, replace the cylinder, or install a new deadbolt if the mechanism is beyond saving.
- Sliding-door latches and hooks that won’t fully engage. Lagoon-facing sliders take wind-driven rain and salt spray on the hardware. Kwikset-style patio latches corrode and the door misaligns so the hook misses the keeper. We realign, replace, or upgrade to multi-point hardware on waterfront rebuilds.
- SmartKey cylinders that bind and catch. Grit and salt film build up inside the rekeyable cylinder, so a key that used to rekey cleanly now feels like it’s fighting you. We clean and graphite rather than forcing the turn, which is what strips the cylinder for good.
- Mixed keys across front door, sliders, and dock gate. This is the most common Foster City call we get. A homeowner realizes they’re carrying three different keys for one property, and we key the whole set to a single Kwikset key. It’s a cluster job that only makes sense in a city where so many homes sit on the lagoon.
Kwikset Service in Foster City: What Local Conditions Mean for Your Equipment
Foster City sits on fill and levee land built over former tidal marsh, and most of the housing went up in one planned era: late 1960s through the 1980s tracts, plus newer high-end rebuilds along the lagoon. That’s not true in San Mateo or Redwood City, where housing spans a century of styles and hardware eras. Here, the original builder-grade Kwikset locksets are all reaching the same age at the same time, and the ones on lagoon-facing and dock-side doors age faster. A lock is only as strong as the decision behind it, and the decision Foster City homeowners keep facing is whether to rekey and repair original hardware or replace it before the next winter storm. We walk through that call honestly: if the cylinder and body are sound, we repair. If salt air has worked into the mechanism, we replace with coastal-grade hardware that will outlast what’s there now. The homes on Edgewater, Marlin, and Admiralty get hit hardest because they sit closest to the open water and the prevailing breeze that carries salt straight at the door hardware.
Kwikset Models & Products We Service in Foster City
We work on the full Kwikset range homeowners actually have here. That includes SmartKey single-cylinder deadbolts, SmartCode 913 and 914 electronic deadbolts, Tylo and Juno builder-grade knobs, and 660-series and 780-series deadbolts. Our parts shelf is stocked for the common keyways in Foster City, so a straightforward rekey or deadbolt swap usually doesn’t wait on an order. We use genuine Kwikset cylinders and SmartKey kits wherever they’re available, and we only go aftermarket when OEM is discontinued or a specific finish, like a marine-grade coating for a dock gate, genuinely serves the door better. You won’t get a Chinese knockoff cylinder sold as the real thing, and you won’t get a lecture to replace a lock that just needs a new cylinder.
Kwikset Service Pricing in Foster City
Kwikset rekeying in Foster City typically runs $25 – $45 per cylinder, plus the service call, which depends on where you are in the 94404 ZIP and how quickly you need us there. A new single-cylinder deadbolt installation generally lands between $95 and $180 including the hardware, and SmartCode or smart lock installation runs higher because of the programming and alignment work, especially on lagoon-facing doors that have shifted. The full price is quoted on the phone before we dispatch anyone, and that’s the number on your invoice. No bait-and-switch service fee added at your door. Call (833) 589-8078 for an exact quote on your specific Kwikset setup, and we’ll tell you what it costs before we turn the van toward Foster City.
Serving Foster City, CA — Our Local Coverage Area
We’re based in the Foster City 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 – Kwikset Locksmith in Foster City
Yes, and it’s the most common job we do here. We rekey each Kwikset cylinder to a single key, including SmartKey deadbolts, slider latches, and dock gate locks, provided the cylinders are in serviceable condition. In some cases a corroded dock gate lock needs replacement rather than rekeying, and we’ll tell you that before we start. Call (833) 589-8078 with your address and we’ll walk you through what’s needed.
Salt-laden bay air and daily morning fog deposit a fine film on exterior lock cylinders and thumbturns, and over months that film attracts grit and hardens. Locks that worked fine in a drier inland city will gum up here within a season or two. Regular cleaning and graphite lubrication prevents most of it.
It depends on the cylinder and the body. If the cylinder wafers are worn but the knob body and latch are solid, we rekey or install a new cylinder and you keep the original look. If the latch is sloppy or the knob turns loosely even when locked, replacement with a new Kwikset deadbolt is the better investment. We’ll show you the wear before we quote anything.
Yes. We install SmartCode deadbolts and keypad locks on Foster City lagoon-front entries regularly. The main considerations are door alignment, which shifts over time on reclaimed land, and choosing a finish that holds up to salt air. We adjust the strike and door fit before mounting so the lock operates cleanly, and we program the lock with you before we leave.
It does, and faster than most homeowners expect. Dock gate locks sit directly in the marine layer with little protection, and we’ve seen two-year-old deadbolts seize solid from corrosion. Coastal-grade finishes and periodic lubrication extend the life significantly, and for dock gates those are worth the small extra cost. Call us at (833) 589-8078 and we’ll tell you what your hardware needs after looking at the exposure.
Service Areas Near Foster City
We serve Foster City and the surrounding Bay Area communities, including Mountain View, Inverness, Petaluma, Pittsburg, Loyola, and Temelec. If you’re outside the immediate area, call and ask – our techs cover a wide radius, and we’re also the team handling Kwikset service in Pinole and Kwikset service in Bolinas for homeowners who want the same brand-specific work in those cities.
Book Your Kwikset Service in Foster City Today
Need one key for the whole lagoon property, or a deadbolt that doesn’t fight you every morning? We handle Kwikset rekeying, deadbolt installation, and smart lock setup across Foster City service area homes, and we can usually get there same day. Call (833) 589-8078 for a free estimate and a straight answer on what your locks need.
Written by Roland Vásquez, Owner & Master Locksmith at Citadel Locksmith, serving Foster City and the surrounding Bay Area.