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 Lock Installation & Rekey Across Castro Valley
Lock installation and rekey in Castro Valley usually costs $95-$210 for a standard deadbolt or knob rekey and $180-$420 for new hardware installed, parts included. We quote that price on the phone before anyone drives out, and it’s the same price on the invoice when the job is done. If you live off Redwood Road, in the hills above Castro Valley Boulevard, or down in the flats near the BART station, our techs know the housing stock you’re dealing with because they see it every week. Call (331) 310-8471 for a written quote before you touch a single screw.
Why Novak Lock & Security Is Castro Valley’s Preferred Lock Installation & Rekey Company
Castro Valley isn’t a flat grid of identical tract homes. It’s an unincorporated Alameda County community with 1950s ranches, 1960s split-levels, and the newer HOA-planned Five Canyons development, each carrying different lock problems. A tech who only does Hayward flats will misjudge what your hillside door needs. Our techs regularly work Sydney Way, Grove Way, and the cul-de-sacs off Center Street, where original mortise locks and warped wood frames are the rule, not the exception.
We’re led by Daniel Novak, and every visit is performed by a background-checked, uniformed technician who follows The Haven Standard. That means a written scope before work starts, a photo record after, and a firm price that cannot change at the door. We answer calls with a live person 24/7 because a lockout on a rainy Castro Valley night doesn’t wait for a callback window.
Since 2002, Novak Lock & Security has handled more than 60,000 locks, keys, and systems across the East Bay, and we’ve learned what older Castro Valley doors do in fog season specifically. The fog that settles over the valley near Lake Chabot and Crowley Avenue isn’t cosmetic. It’s a moisture problem for your door.
Our Lock Installation & Rekey Services in Castro Valley

Our Lock Installation & Rekey team handles everything from a simple cylinder re-pin to a full high-security deadbolt retrofit on a 1960s door that’s been swelling and shrinking for fifty years. We’ll tell you honestly when a lock can be saved and when replacement is cheaper and safer.
Smart Lock Installation
A smart lock on a Castro Valley home has to survive what the valley’s climate does to your door. If the door frame swells with morning marine-layer fog and the strike plate drifts even a few millimeters, a motorized deadbolt will bind and drain its battery fast. We check frame alignment, door swing, and jamb thickness before recommending any smart lock, then we install it with the door in its actual condition, not factory-perfect conditions. Most smart lock installs in Castro Valley run $220-$450, hardware included.

Keyless Entry and Keypad Lock Installation
Keypad locks make sense in the valley’s hilly neighborhoods where spare keys get lost between the car and the front door. We install keyless entry systems that hold up to exterior exposure near the hills, where morning dew sits on metal hardware longer than homeowners expect. A keypad deadbolt install typically runs $180-$360.

Biometric Lock Installation
Biometric locks are worth considering if you have constant foot traffic: kids coming home from Castro Valley High, cleaners, or caregivers. The hardware is more sensitive to alignment than a mechanical deadbolt, so on older ranch doors with original jambs we sometimes recommend a reinforced strike and a custom backset plate first. Honest answer: a fingerprint lock is only as reliable as the door it’s mounted to. Biometric installs run $300-$550 in Castro Valley.

Key Duplication
Key duplication in Castro Valley often stops being simple when the key is from an original 1960s mortise cylinder or a high-security blank. Standard Kwikset and Schlage keys cut from worn originals may not turn in a rekeyed lock, so we cut from the code when necessary. Basic key copy runs $3-$8; high-security or transponder keys run more and we’ll quote it before we cut.

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.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Castro Valley
We carry and service the brands Castro Valley locksmith dispatch records show again and again: Baldwin on custom hillside homes, Yale on the mid-century entry sets, and Mul-T-Lock for high-security cylinders that resist picking and bumping. Factory-authorized work means we’re not learning on your door. If your existing hardware is a brand we don’t stock parts for locally, we tell you on the phone before scheduling.
Common Lock Installation & Rekey Problems We See in Castro Valley Homes

- Deadbolts that won’t throw because the strike plate moved. Morning fog and sharp night-day temperature swings swell and shift wood door frames. In Castro Valley’s older ranches, this is the single most common service call we get, and it’s almost always repairable without replacing the lock.
- Mortise locks with worn cylinders on original split-level doors. A 1960s mortise body can outlast its cylinder by decades. We re-pin and restore the original lock rather than gouging the door to fit a modern deadbolt.
- Thin jambs that crack under standard deadbolt strike screws. 1950s-70s construction in the flats off Grove Way and Center Street often used jambs too thin for ANSI Grade 1 hardware without reinforcement. We fabricate a plate or reinforce the jamb, then install.
- HOA-governed Five Canyons homes with old electronic locks. Power resets and failing keypads are common there, and any hardware swap needs association coordination before we start.
Pricing for Lock Installation & Rekey in Castro Valley, CA
Here’s what you can expect for fair, current pricing in Castro Valley. A standard lock rekey runs $95-$140 for up to three cylinders, and each additional cylinder adds about $15-$25. New deadbolt or knob installation runs $180-$420 depending on hardware grade and whether the jamb needs reinforcement. Smart lock installs run $220-$450. Key duplication runs $3-$8 for standard keys; transponder and high-security keys cost more and are quoted in writing before we cut. The dispatcher quotes a firm price on the phone, and our techs are not permitted to change that price at the door. Every quote includes the lock, labor, and the service call. No added surcharge when we arrive. Call (331) 310-8471 for a free estimate on your specific door.
We Also Serve Cities Near Castro Valley

Novak Lock & Security serves Castro Valley and the surrounding East Bay communities, including San Leandro, Union City, Dublin, and Hayward. Scheduling is coordinated from our San Francisco Bay Area office, and crews dispatch locally throughout the Castro Valley area every day.
Serving Castro Valley, CA - Our Local Coverage Area
We’re based in the Castro Valley 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 - Lock Installation & Rekey in Castro Valley

We can rekey most original Castro Valley mortise locks. The cylinder usually wears out long before the lock body does, so we re-pin or replace the cylinder, repair strike alignment, and leave the original hardware on the door. Replacement is only necessary when the lock body itself is cracked, the internal parts are broken, or the door has shifted so badly the mortise no longer seats. We’ll show you the condition with photos when we finish.
It’s usually the door, not the lock. Hillside homes experience sharper temperature swings between night and day, and marine-layer fog adds moisture. Wood frames swell and shift, pulling the strike plate out of line. We realign or rebuild the strike, add a reinforcement plate when the jamb is thin, and the lock throws cleanly again. Call (331) 310-8471 and we’ll evaluate it on site with a written price first.
In many Five Canyons properties, yes. The association governs exterior hardware on some gates and entry systems, and some homes there have electronic locks tied to the gate system. We’ll help you understand what the HOA needs to approve and coordinate the work, but we won’t swap hardware on a governed entry without that approval. Most interior and front-door-only smart lock installs don’t trigger HOA review, and we’ll tell you which applies to your unit.
Most original 1950s-70s Kwikset and Schlage cylinders are not bump-resistant. If your lock is original, it likely can be bump-keyed in seconds. We can inspect the cylinder, tell you the grade of hardware on your door, and install a bump-resistant cylinder from Mul-T-Lock or Baldwin if warranted. We’ll show you the old cylinder and explain what we found before you agree to a replacement.
Yes, we can cut and program most transponder keys on site, including older models common in Castro Valley driveways. We don’t need to tow or send you to a dealership. Pricing depends on the key and programming required, and we’ll quote it in writing before we cut. Call (331) 310-8471 with your car’s year and model and we’ll give you the price directly.
For lock installation or rekey work in Castro Valley, call (331) 310-8471. A live person answers, you’ll get a firm written quote, and the price we give you is the price you’ll see on the invoice. We work on the door as we find it, not how a template says it should look.
Written by Daniel Novak, Owner at Novak Lock & Security, providing lock installation and rekey services in Castro Valley.






