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Get your free estimateMedeco Locksmith in Saranap, CA | Cypress Lock & Key
We’re an independent Medeco locksmith serving Saranap, and our work here runs into one issue more than any other: the sun. West-facing doors on 1940s-1960s ranches bake through Contra Costa summers, and a Medeco Maxum deadbolt that throws perfectly in January will bind against a shifted strike plate by August. We service, rekey, and repair Medeco cylinders across Saranap (ZIP 94595) without the manufacturer-authorized markup. Call (877) 265-4385 for a diagnosis and an honest repair-vs-replace recommendation.
Why Saranap Residents Choose Us for Medeco Service
Medeco hardware is not beginner equipment. The rotating-pin design inside a Biaxial or M3 cylinder demands a technician who can feel the difference between a gritty pin chamber and an actual mechanical failure, and that distinction matters in Saranap where mid-century doors move more than the locks do. Noel Carver, our owner and lead locksmith, completed his locksmithing and security systems training at Fresno City College and has spent nearly two decades pinning and repairing Medeco cylinders in the field, not in a factory classroom. That hands-on history is why we stock genuine Medeco pins and restricted key blanks for fast turnaround across Saranap, and why we diagnose before we quote a replacement. You won’t hear pressure to swap a cylinder that only needs cleaning and re-pinning. Know your hardware, know your options – the rest is just turning a key.
Styles & brands we work with







Common Medeco Locksmith Problems We Solve in Saranap
Every one of these shows up regularly in Saranap, and each has a specific cause tied to how homes here are built and how the East Bay climate treats them.
- Sun-baked deadbolts on west-facing doors. A Medeco Maxum that throws cleanly in winter starts binding against the strike when summer heat dries and warps the wooden jamb. The cylinder is usually fine. The door has moved. We reset the strike, shim the jamb, and the lock works again without replacing anything.
- Swollen jambs on side-entry and garage doors. Winter rain seeps into original 1940s-1960s Saranap door frames, swelling the wood until the deadbolt bolt traps in the strike. Homeowners think the Medeco cylinder failed. We check the opening first, because that’s usually where the problem lives.
- Gritty, stiff Medeco turns. Dry-season dust works into rotating-pin chambers and makes a Biaxial or M3 feel like it’s dying. We ream and re-lubricate the cylinder and re-pin with genuine Medeco pins when needed. Most stiff Medeco locks in Saranap never need replacement.
- Single-cylinder deadbolts that never got upgraded. Plenty of Saranap ranches still have the original single-cylinder deadbolt as the only exterior lock, no interior thumb-turn. We install proper Medeco high-security deadbolts where the door was prepped by the original builder.
- Lost Medeco keys with missing key control cards. Owners often inherit a Medeco lock without the key control card that came with the original installation. We can still rekey the cylinder and cut new restricted keys by inspecting and re-pinning the existing hardware, which keeps the restricted key system working as intended.
Medeco Service in Saranap: What Local Conditions Mean for Your Equipment
Saranap is an unincorporated Contra Costa County island wedged between Walnut Creek, Lafayette, and Alamo, with no city hall of its own. That administrative detail changes how a Medeco lock job gets quoted and scheduled here. A property on a quiet street just off the Saranap loop may carry a Walnut Creek mailing address, but when a new deadbolt or a full cylinder replacement triggers a permit question, the parcel routes to the county, not the city. We confirm the parcel’s jurisdiction before we quote the job. An out-of-area locksmith who just sees “Walnut Creek” on the invoice will never think to check, and that omission has created delays and surprise fees on Medeco installs across Saranap and nearby Acalaes Ridge. This is the type of local detail that separates a shop that actually runs calls here from one that just prints the city on a truck magnet.
Medeco Models & Products We Service in Saranap
We work on the full Medeco residential and light commercial line that shows up in Saranap homes: the Maxum deadbolt, Biaxial cylinders in both original and newer keyway versions, the M3 high-security cylinder, and Medeco padlocks and gate hardware. Our approach to parts is straightforward. We pin cylinders with genuine Medeco pins and restricted key blanks because the key control system only functions if the hardware is genuine. On strikes and reinforcement plates, we use quality aftermarket parts where the original jamb can’t take an OEM plate or where a stronger retrofit makes more sense for a 70-year-old door frame. We keep common Medeco pinning kits and key blanks stocked for Saranap turnaround, which means fewer multi-day waits when a rekey or repair lands mid-week.
Medeco Service Pricing in Saranap
Medeco service in Saranap starts with a service call fee that covers our trip and a full diagnosis of your cylinder or deadbolt, and most rekeys run from $25 to $60 per cylinder depending on how many pins and keys you need. A new Medeco Maxum deadbolt installation typically lands between $180 and $340 including hardware and labor, which reflects the cost of genuine Medeco hardware rather than a discounted aftermarket substitute. What drives your final number: the condition of the existing door and jamb, whether we’re re-pinning an old cylinder or starting fresh, and how many keys you need cut from the restricted blanks. We quote the full price over the phone before anyone is dispatched, and that’s the price on the invoice. No call-out surcharge added on arrival. Call (877) 265-4385 for an exact quote – estimates are free.
Serving Saranap, CA — Our Local Coverage Area
We’re based in the Saranap 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 – Medeco Locksmith in Saranap
Sometimes, and that’s a Saranap-specific wrinkle, not a guess. Because Saranap is unincorporated Contra Costa County land with addresses that often read “Walnut Creek,” a new deadbolt install may route to county permitting while the same job across the street in incorporated Contra Costa Centre or Walnut Creek would not. We confirm the parcel’s jurisdiction before quoting so you’re not surprised later. Call (877) 265-4385 and we’ll check your specific address.
Almost never. What you’re feeling is the door jamb swelling and pushing the strike out of alignment in dry heat, a condition we see constantly on Saranap’s sun-baked west-facing doors. The Medeco cylinder is generally fine. We reset the strike, shim if necessary, and in most cases the deadbolt throws like new without touching the cylinder. If there is an actual cylinder issue, a cleaning and re-pin usually resolves it. Call (877) 265-4385 for a diagnosis before spending money on parts you may not need.
Yes. The key control card was Medeco’s system for ordering replacement keys through authorized channels, but the physical cylinder can be re-pinned by any locksmith with genuine Medeco pins and the skills to re-time the rotating pins. We carry both in Saranap. Call (877) 265-4385 with a description of your cylinder and we’ll give you a rekey quote on the spot.
We service those jobs case by case. Some mid-century mortise locks can accept a Medeco cylinder with the proper tailpiece and spacing, and others cannot without substantial modification to the lock body. We’ll assess the existing mortise lock before recommending anything. Call (877) 265-4385 and we’ll schedule a look.
In most cases yes, because the standard 2-1/8-inch crossbore and 1-inch edge bore on a Maxum matches the original deadbolt prep on most of Saranap’s ranch and cottage doors. Where the edge bore is slightly off or the jamb has shifted over decades, we adjust the strike and the frame rather than cutting a larger hole. Call (877) 265-4385 and we’ll confirm fitment on your door before recommending the deadbolt.
Service Areas Near Saranap
Our Medeco service runs beyond Saranap into the surrounding East Bay and North Bay communities. We’re often in Chinatown and Martinez for commercial rekey work, in Mill Valley, Larkspur, and San Mateo for residential Medeco service, and in Hillsborough for high-security deadbolt installs. For Medeco work in other nearby cities, see our pages for Medeco service in El Sobrante and Medeco service in Sausalito, or view our full Saranap service area page.
Book Your Medeco Service in Saranap Today
If you’re in Saranap and your Medeco deadbolt is binding, stiff, or simply due for a rekey, call (877) 265-4385. We provide free estimates over the phone, and we can usually schedule same-day service for Saranap calls booked before mid-afternoon. For more on what we do with the rest of the Medeco line, see our Medeco sales & service page.
Written by Noel Carver, Owner at Cypress Lock & Key, serving Saranap and the surrounding East Bay with independent Medeco service, rekeying, and high-security deadbolt installation.