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Get your free estimateMedeco Locksmith in Foster City, CA | Cypress Lock & Key
We provide independent Medeco service across Foster City, CA 94404 – rekeying, repair, match-keying, and spare restricted keys for Maxum, Biaxial, M3, and Original cylinders. The work here is different because Foster City’s bayfront salt air seizes Medeco’s rotating pin tumblers faster than inland climates, and the same-builder tract homes mean whole streets often share identical Medeco-compatible deadbolts. Call (877) 265-4385 and Noel Carver’s team at Cypress Lock & Key will give you an honest read over the phone before anything is dispatched.
Why Foster City Residents Choose Us for Medeco Service
Medeco cylinders are not something we dabble in. They’re a weekly part of the job, from biaxial cylinders in tract-home deadbolts to keyway-restricted high-security systems on condominium shared entries. We key to Medeco’s own restricted blanks and pinning specifications rather than guessing at tolerances. What that means for you in Foster City and nearby Belmont Medeco service areas: a rekey or key-cutting job that works the first time, no follow-up trip because the side pins bind.
Noel completed a locksmithing and security systems program at Fresno City College and has been running calls in this part of the San Joaquin Valley for almost two decades. He learned early that a restricted keyway is a precision mechanism, not a place to improvise. We’re an independent Medeco service provider – not manufacturer-affiliated or authorized – so we repair, rekey, and match-key cylinders without pushing a full replacement when a repair is the better call. Know your hardware, know your options – the rest is just turning a key.
For Foster City service area homeowners, that independence matters. If your Medeco Maxum collar is corroded but the cylinder body is sound, we’ll say so. If your Biaxial needs re-pinning and a new restricted key, we’ll do that. You get a straight answer from a technician who knows the lock, not a sales script.
Styles & brands we work with







Common Medeco Locksmith Problems We Solve in Foster City
- Salt fog seizing the rotating pins in Biaxial and M3 cylinders. The key goes in but won’t turn. Medeco’s hardened rotating pins and side pin design are excellent security engineering, but the marine moisture off San Francisco Bay gums them up faster than inland dust ever would. We disassemble, clean, and re-pin the OEM cylinder rather than selling you a new lock.
- Verdigris and pitting on brass Maxum deadbolt collars and thumbturns. Bay-side homes in Foster City get regular fog exposure, and exposed brass hardware develops green corrosion that stiffens the bolt throw. Sometimes a deep clean and proper marine-grade lubricant solves it. Sometimes the collar is too far gone and we replace it while keeping the working cylinder.
- Worn or bent restricted Medeco keys that bind in the keyway. Years of grit and marine moisture take a toll on angled cuts and side pins. A key that’s slightly bent or worn will drag, and dragging keys cascade into cylinder wear. We cut fresh restricted Medeco blanks to spec and check the cylinder for damage while we’re at it.
- Misaligned strikes on original builder-grade doors. Foster City’s 1960s-1980s planned homes often have doors that have settled or strikes that were never precisely machined. A Medeco retrofit deadbolt then drags and the bolt won’t fully seat – owners assume the lock failed. We re-align the strike, adjust the door, and get the Medeco throw clean.
- Lost restricted keys with no spare. Medeco restricted keyways mean you can’t run to the hardware store for a copy. We verify ownership, cut from Medeco’s restricted blanks, and rekey if security dictates. Same-day service is available across Foster City.
Medeco Service in Foster City: What Local Conditions Mean for Your Equipment
On a lagoon-front street in the older Foster City neighborhoods, a homeowner called because her Medeco Biaxial deadbolt key went in but the cylinder wouldn’t rotate after a foggy stretch. Our tech found the rotating pins seized with salt-air grit, cleaned and re-pinned the OEM cylinder, and match-keyed it to the front and back doors so one restricted Medeco key worked both. We left her with a lubricant schedule tuned to the marine moisture instead of a needless replacement, a common approach for our Highlands-Baywood Park Medeco service calls near the water as well. That call is not an outlier here.
Foster City was built on engineered fill in the 1960s, a master-planned island community where the same builder often put identical door hardware on every house along a street. In the older lagoon-front tracts, that means neighbors frequently have the exact same Medeco-compatible deadbolt. We regularly key whole blocks to a single match-key set so one restricted key works every door on the property – a request that barely comes up in neighboring cities with more varied, piecemeal housing stock. Add the salt fog off the water eating exposed brass and steel hardware faster on the bay side than inland, and you have a specific set of Medeco service conditions that a general San Mateo Medeco service page never addresses. This is the combo we work with every week in Foster City.
Medeco Models & Products We Service in Foster City
We work on the full Medeco range that shows up in Foster City homes and small commercial spaces. That includes the Medeco Maxum deadbolt, the Medeco Biaxial cylinder and deadbolt, the Medeco M3 high-security cylinder, and the Medeco Original classic pin-tumbler cylinder. For anything restricted or key-controlled, we use genuine Medeco restricted blanks, pins, and OEM cylinders – aftermarket blanks cannot legally match a Medeco keyway, so there is no shortcut worth taking. For standard-function hardware, we repair and re-pin an existing cylinder when the body is sound, and we only replace when corrosion or worn pins make the hardware unreliable. We stock common Medeco components for fast turnaround across Foster City, which matters when you’re standing at a door that won’t open.
Medeco Service Pricing in Foster City
Medeco work in Foster City typically lands in these ranges, though every job gets an exact quote on the phone before anyone rolls out.
- Medeco cylinder rekey (standard, no restricted keyway): $85-$150 per cylinder
- Medeco restricted-keyway rekey or match-key to existing key: $120-$200 per cylinder
- Spare restricted Medeco key cutting: $25-$60 per key depending on model and keyway
- Deep clean and re-pin of salt-seized Medeco cylinder: $95-$175 per cylinder
- Medeco Maxum deadbolt replacement install (parts and labor): $250-$450 per door
What drives the number: cylinder condition, keyway type, how many doors need to match, and whether we are rekeying to a key you have or cutting a new set. The estimate covers everything – no call-out surcharge added on arrival, no mystery line items. Call (877) 265-4385 and tell us what you are looking at. We’ll give you a real number before dispatch.
Serving Foster City, CA — Our Local Coverage Area
We’re based in the Foster City area and know this community well, with regular calls extending to Medeco in Redwood Shores and nearby communities. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – Medeco Locksmith in Foster City
Are you authorized by Medeco? No – we are an independent Medeco service provider in Foster City. We use genuine Medeco restricted blanks, pins, and cylinders because that is the only way to key a restricted keyway correctly, but we are not manufacturer-authorized or affiliated. The distinction often works in your favor: we can repair or rekey a cylinder without steering you toward a full replacement.
Do you use OEM or aftermarket parts? For anything restricted or key-controlled, we use genuine Medeco OEM blanks, pins, and cylinders. Aftermarket blanks cannot legally match a Medeco keyway, so that is not negotiable. For standard-function hardware, we may use quality-compatible components where appropriate, but corrosion-prone Foster City conditions usually favor OEM tolerances.
How long does Medeco service take in Foster City? Most rekey, re-pin, and spare-key jobs run 45-90 minutes on site. Salt-seized cylinders take a little longer because we disassemble and clean the rotating pins rather than forcing the plug. Same-day service is available across Foster City, 94404. Call (877) 265-4385 and we’ll tell you our current window.
Which Medeco models do you cover? Maxum deadbolts, Biaxial cylinders and deadbolts, M3 high-security cylinders, and Original classic pin-tumbler cylinders. If you have a model from any of those lines on a single-family home, townhome, or condo in Foster City, we service it.
How much will it actually cost? Medeco rekey work in Foster City typically runs $85-$200 per cylinder, and spare restricted keys land in the $25-$60 range. Salt-seized cylinder cleaning and re-pinning sits around $95-$175. The quote we give you on the phone is the price on the invoice – no arrival surcharge, no add-ons. Call (877) 265-4385 for an exact number, free.
Can you cut a spare Medeco key, or do I need to go through Medeco? We can cut spares on genuine Medeco restricted blanks by code or by copy, provided you have proof of ownership or an authorized signer for the keyway. For most Foster City homeowners with a Medeco cylinder on their own door, a quick verification and we cut the key on site. For commercial or restricted systems with signed key control cards, we follow the card authorization to the letter. Call (877) 265-4385 and we’ll walk you through what we need.
Service Areas Near Foster City
Cypress Lock & Key handles Medeco cylinders across the mid-peninsula. Beyond Foster City, we run Medeco service in Medeco service in Vine Hill, Medeco service in Diablo, and neighboring communities including San Mateo, Hillsborough, and Martinez. Wherever you are, the same Medeco expertise and honest pricing apply. Our full Medeco sales & service page covers the brand-specific scope.
Book Your Medeco Service in Foster City Today
Locked out, locked up, or just need a spare restricted key? Call (877) 265-4385. Noel and the team will talk through the problem, give you a firm quote, and get to your Foster City address – same day when the situation calls for it.
Written by Noel Carver, Owner at Cypress Lock & Key, serving Foster City since 1963.