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.
Locksmith in Foster City, CA
A locksmith call in Foster City rarely starts with a lost key. More often it starts with a deadbolt that won’t throw, a sliding patio door that won’t latch, or a key that turns but the cylinder has seized from salt air. Foster City’s lagoon-side housing stock, built mostly between 1967 and 1980, has aged into predictable patterns: worn Kwikset and Schlage hardware, door frames shifting on Bay-fill land, and marine corrosion working on every exterior lock. We handle all of it, from single-cylinder re-keys to full access control installs. If you’re locked out or your hardware has finally given up, call (818) 390-9007 and a live person will answer.
Why Foster City Homes Are Different
Foster City was built almost entirely on Bay-fill landfill between the late 1960s and early 1970s as a master-planned community, which means its housing stock is unusually uniform in age. Original lock hardware on those homes is now 50-plus years old, and it fails in ways technicians see again and again: worn Schlage and Kwikset cylinders, loose strike plates, and sliding glass doors whose hook-bolt locks no longer engage. More critically, the city sits directly on San Francisco Bay and is encircled by its man-made lagoon system. That puts every exterior lock and door mechanism in a persistent salt-laden marine atmosphere that corrodes cylinders, deadbolt bolts, and strike plates far faster than in inland Peninsula cities just a few miles east on the hills. Lagoon-facing units see the worst of it, with residents often discovering frozen or gummy cylinders after a season of exposure. Doorbells and interior knobs don’t see this abuse; exterior keyed entries do. We stock corrosion-resistant hardware and marine-grade lubricants for exactly this reason.
One pattern unique to this landfill city: Bay-fill foundations settle and shift over decades, causing door frames to rack out of square. A deadbolt that won’t throw is often not a failed lock but a strike plate that has drifted out of alignment with the bolt. Homeowners call thinking they need a new deadbolt when what they usually need is a strike plate realignment and a frame adjustment. It shows up on service calls all across the original 1970s subdivisions.
We work to the Cedarwell Care Promise on every job in Foster City: a written price before work begins, shoe covers and drop cloths inside the home, a photo of the clean-up before the technician leaves, and the 365-Day Done Right Promise covering all completed work. If a door frame has settled out of square, we’ll tell you that before we touch the lock.
Our Main Foster City Services
Foster City homeowners and businesses call us most for two things: aging residential hardware that has seized or failed, and commercial doors or access systems that need to keep working in a salt-air environment. Each service has its own detailed Foster City page.
Commercial Locksmith in Foster City
Commercial work in Foster City means low-rise office buildings, retail spaces, medical and dental offices, and the occasional marine-adjacent property. Exterior doors on these buildings take the same salt-air abuse as homes, but see far more daily cycles. We re-key storefronts after staff turnover, replace worn mortise locks and panic bars, install high-security cylinders, and bring doors back into alignment when frames have shifted. We also service master key systems so a single key still works across multiple doors. Shoe covers and drop cloths are placed at every job, and you get a written price before a single screw is turned. Commercial Locksmith in Foster City
Residential Locksmith in Foster City
Residential calls in Foster City are dominated by the city’s 1967 to 1980 buildout: single-family homes, townhomes, and low-rise condos, many still fitted with original sliding glass patio doors whose worn hook-bolt locks are a recurring service call. We re-key existing locks, replace seized cylinders, upgrade deadbolts to ANSI Grade 1 hardware, and realign strike plates on doors that have drifted out of square from Bay-fill settling. We carry and install Schlage, Kwikset, Yale, and Baldwin hardware, and we work quietly during nap hours when a family has small children at home. Residential Locksmith in Foster City
Access Control Systems in Foster City
Access control in Foster City means keypads, card readers, and keyless entry systems for commercial and multi-unit properties, along with smart locks for residential owners who want keyless entry without losing a mechanical override. Lagoon-side locations benefit from weather-rated readers and sealed enclosures; we specify hardware that holds up against persistent moisture and salt. We install and service Medeco, Mul-T-Lock, and Sargent cylinders alongside electronic access, and every install includes a written scope and flat per-door pricing before work begins. Access Control Systems in Foster City
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Foster City
We carry and install hardware from Schlage, Kwikset, Yale, Baldwin, Medeco, and Mul-T-Lock, covering entry-level residential cylinders through certified high-security commercial systems. Our local technicians stock common Kwikset and Baldwin cylinders in the truck, so most Foster City re-keys and replacements are finished in a single visit. For broader details, see our brands.
Pricing for Locksmith in Foster City, CA
Foster City pricing reflects the city’s uniform housing stock and the condition of its hardware, not inflated surcharges. Every job receives a written price before any work starts, and the price on the invoice is the price you were quoted, no dispatch fees added on arrival.
| Service | Typical range in Foster City |
|---|---|
| Rekey existing lock | $95 - $140 per cylinder |
| Standard deadbolt replacement | $150 - $240 (hardware included) |
| ANSI Grade 1 deadbolt upgrade | $220 - $320 (hardware included) |
| Sliding patio door lock repair or replacement | $120 - $200 |
| Strike plate realignment (settled door frame) | $80 - $130 |
| New key duplication (standard) | $15 - $45 per key |
| High-security key duplication (Medeco, Mul-T-Lock) | $60 - $150 per key |
| Commercial mortise lock replacement | $300 - $520 (hardware included) |
| Electronic keypad lock installation | $280 - $450 (hardware included) |
| Access control system (per door, hardware + install) | $850 - $1,900 per door |
What pushes price up in Foster City: corrosion damage that requires a cylinder replacement rather than a simple re-key, door frames that have settled far enough to need a strike plate relocated, and sliding glass doors whose original 1970s track hardware has to be modified. We quote the full price upfront and the number on your written quote is the number on your invoice.
Neighborhoods We Serve in Foster City
We work across the entire Foster City grid, from lagoon-front townhomes to the single-family subdivisions near the city’s central parks and schools. The city is compact enough that we can reach most addresses quickly, and our 24/7 dispatch keeps a live person on the phone even at 2 a.m. when a key breaks off in a deadbolt.
- Dolphin Bay
- Isle Cove
- Mariners Point
- Promontory Point
- Whale’s Tail
Service Area – Cities Near Foster City
Foster City is one of the Bay Area communities we cover alongside San Francisco, CA, San Jose, CA, Los Angeles, CA, and San Diego, CA. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, and crews serve Foster City locally.
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 About Locksmith in Foster City
Most Foster City calls are reached within 30 to 45 minutes, depending on where you are in the city. Lagoon-side properties can take a few minutes longer because of the street layout, but our 24/7 dispatch keeps a live person on the phone until the technician arrives. Call (818) 390-9007 for an exact response time.
Some Foster City condo and townhome HOAs require key turn-in when a lock is replaced or re-keyed, and a few specify a particular finish for exterior hardware. We can strip the old cylinders so you keep the same finish, or install new hardware that matches your HOA’s specification. We’ll tell you what we see and give you a written price before any work begins.
Yes. The price you are quoted on the phone is the price you pay, in writing, before any work begins. There is no dispatch fee added when the technician arrives, and no surprise line items on the invoice. If we find something unexpected, like a seized cylinder or a door frame that has settled out of square, we’ll show you what we found and give you a new written price before proceeding.
If you need a locksmith in Foster City, call (818) 390-9007 for a free estimate. A live person answers, day or night.
What happens when you call
- 1A real person answersNo phone trees - talk to a local locksmith pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Foster City Customers Say
"Rekeyed the whole house after we moved in. He was calm and careful, wore shoe covers without me asking, and cleaned up the little metal shavings from each door. Felt safe that first night."
- Harriet Boyle"Access control for a small clinic. He understood we had patients around and kept it quiet and clean. Protected the floors where he was drilling and tidied everything after."
- Ron Pak"Good rekey work and very respectful of the home. It took a day longer to schedule than I'd hoped, but once here he was careful, clean, and patient with my questions."
- Pauline Esparza