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 Rekey Locks Across Tara Hills
Rekeying a lock in Tara Hills typically costs $85 to $165 per lock cylinder, and the work means swapping the internal pins so your old keys stop working while the hardware on your door stays exactly where it is. That’s the whole job. No new deadbolt, no drilling, no replacing trim. If you recently bought a house off San Pablo Avenue, ended a lease with a roommate near Tara Hills Drive, or had keys go missing somewhere between your front door and the Tara Hills Elementary pickup line, a rekey is usually the fastest way to make every old key useless. Our phone is answered by a live person, not a menu: (409) 405-4485.
Why Preston Locksmith & Security Is Tara Hills’s Preferred Rekey Locks Company
Tara Hills is unincorporated Contra Costa County. There is no local police department here. Lock and rekey calls get handled by the Contra Costa County Sheriff’s Office, which means residents in this community tend to be more careful than most about who they let touch their front door. We are too. Before any technician is dispatched to a Tara Hills address, we text a photo of the background-checked, uniformed pro who will arrive, along with a copy of the business license, so you can verify both before you open the door. That is a specific detail a generic rekey page cannot truthfully claim, and it matters here more than in incorporated cities with their own police departments and city-issued locksmith permits.
Kevin Yoon, who leads our operation, has one standing rule for every Tara Hills job: the written price is set before the van moves. No dispatch fee that appears later, no “mortise lock surcharge” tacked on at the doorstep because your door turned out to be a standard pin-and-tumbler deadbolt, which is the case for most of the 1950s and 60s ranch homes off Tara Hills Drive and along Key Boulevard. Customers across Tara Hills routinely tell us the same thing: they called around, got quoted a $29 teaser price from another outfit, and then watched that number triple once the technician was standing in the doorway. We do not operate that way, and we never will.
Response time to most Tara Hills addresses runs 30 to 45 minutes during normal hours. That is because our San Francisco Bay Area dispatch office coordinates crews already working the I-80 corridor and the neighborhoods between San Pablo Avenue and the hills. You will get a live trackable arrival time before the technician leaves, not a four-hour window and a crossed-fingers hope.
Locksmith Rekey in Tara Hills
Locksmith Rekey in Tara Hills is the service where we remove the lock cylinder, replace the internal pins and springs with a new pin set cut to match a new key, and reinstall the cylinder in your existing door hardware. The old key becomes scrap metal. The new key is the only one that turns. For a typical Tara Hills home with two exterior doors and three lock cylinders, the full rekey usually runs $255 to $495, including the new keys and our Rekey Locks team’s time on site. We confirm the exact written price before any work starts.
The most common reason homeowners in Tara Hills call us for a locksmith rekey is a change in who should have access: a new home purchase, a tenant turnover on a rental off Tara Hills Drive, a caregiver arrangement ending, or a contractor who was given a key during a remodel and never returned it. Changing the locks would mean buying all-new hardware and hoping the new deadbolt fits the existing bore holes. Rekeying achieves the same access reset for a fraction of the cost.
What You Get With Every Rekey
Every rekey in Tara Hills includes new keys cut and tested on site, a written price before the first tool leaves the bag, before-and-after photos of the cylinder work, and a digital invoice with a pay link. You do not need to chase a paper receipt. You do not need to wonder what the technician actually did while you were in the other room.
Why Rekey Instead of Replace
If your deadbolts and knobs are in good mechanical shape, rekeying preserves hardware that already fits your Tara Hills door prep. You keep the existing finishes that match your home, you keep the existing strike plates and screws, and you save the cost of buying three new locksets. The security outcome is identical: old keys stop working.
Rekey Door Lock in Tara Hills
Rekey Door Lock in Tara Hills means rekeying a single door’s lock cylinder rather than the whole house. If one door is the problem, the rest of the house stays keyed exactly as it is, and the problem door goes onto a new key. The cost is the same per-cylinder rate, usually $85 to $165, and since most doors in Tara Hills have one deadbolt cylinder and one knob cylinder, a single door rekey lands in the $170 to $330 range before any additional cylinders or keying options.
A homeowner on Key Boulevard called us after a roommate moved out. The front door had two Kwikset deadbolts and a Schlage entry set, all keyed differently. The first tool out of our bag was a pin kit, not a drill. We rekeyed all three lock cylinders to one new key without touching the existing hardware. The homeowner kept the old keys as proof they no longer worked, and we upgraded the front door cylinder to a bump-resistant one for the cost of a lock cylinder, not a new deadbolt. That is the difference between a rekey and a hardware sale.
Single Door, Full Reset
If you are unsure whether you want one door or every door on a new key, we can tell you over the phone which option makes sense based on how many cylinders your Tara Hills home actually has. Most ranch-style homes in this area have two exterior doors and a door from the garage into the house, which means three or four cylinders. Rekeying them all at once costs less per cylinder than coming back for a second trip later.
Sticking Locks and Rekeys
A lock that sticks in Tara Hills is often doing it because of accumulated dust, worn springs, or a misaligned strike plate, not because the cylinder is broken. A rekey is not a repair for sticking, but it is a moment when a technician can spot the problem and tell you what a repair would actually involve. We will not drill a lock just because it sticks. We will tell you the truth about what is wrong.
Trusted Brands We Service in Tara Hills
We work on Schlage, Kwikset, Medeco, and Yale hardware every week in Tara Hills. The mix in this community is skewed heavily toward Kwikset on the 1950s and 60s builds and Schlage on the newer construction and multi-family properties closer to San Pablo Avenue. We stock pin kits, springs, and key blanks for all four brands on every van, which means a rekey in Tara Hills does not get rescheduled because a technician has to drive back to a warehouse for a $0.12 pin. Medeco and Yale high-security cylinders can be rekeyed too, though those often require factory-specific pins and we will tell you upfront if a specialty keyway is involved.
Common Rekey Locks Problems We See in Tara Hills Homes
- Teaser quotes that become “mortise surcharges.” Unlicensed operators quote a $29 or $39 service call, then arrive at a Tara Hills door and claim the lock is a specialty mortise cylinder that costs extra. Most front doors in this area are standard pin-and-tumbler deadbolts. If anyone tries that line on you, stop the job.
- Rekeyed cylinders that bind within a few weeks. This happens when a technician uses incorrectly sized pins or skips the pin-and-tumbler depth check entirely. The new key works for a while, then the cylinder starts sticking or the key will not turn smoothly. We check every pin depth before the cylinder goes back into the door.
- Old keys still turning after a “rekey.” Sometimes a technician lubricates a lock and calls it a rekey. The old key still works, and the homeowner does not find out until an ex-roommate or a former contractor uses it. We hand you the old keys back and show you, on site, that they no longer turn.
- No verification of who is at the door. Tara Hills is unincorporated, and the Contra Costa County Sheriff’s Office handles law enforcement here. Residents routinely ask to see ID and a business license before work starts. We expect that question, and we send a photo and license ahead of dispatch so it never has to be an awkward doorstep moment.
Pricing for Rekey Locks in Tara Hills, CA
A standard rekey in Tara Hills runs $85 to $165 per cylinder. A whole-home rekey, covering three to four cylinders, lands in the $255 to $660 range for most homes in this community. New keys are included. Rekeying a mix of Kwikset and Schlage locks to a single key does not cost extra, and upgrading a standard cylinder to a bump-resistant one typically adds $20 to $40 per cylinder, which is the cost of the cylinder, not a premium deadbolt. If you live off Tara Hills Drive or near the I-80 side of the community, a single door rekey usually comes in at $170 to $330 total. The written price you get on the phone is the price on the invoice. No call-out surcharge is added on arrival. Call (409) 405-4485 for a free, no-obligation estimate on your specific lock setup.
We Also Serve Cities Near Tara Hills
We handle rekey work across the wider Bay Area, including Los Angeles, San Diego, San Jose, and San Francisco. If you have a property in one of those cities or a second home across the region, our Tara Hills team can coordinate the dispatch and the same written-price process applies no matter which city the job is in. Same live arrival time, same before-and-after photos, same 365-Day Done Right Promise on every cylinder we touch.
Serving Tara Hills, CA - Our Local Coverage Area
We’re based in the Tara Hills 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 Rekey Locks in Tara Hills
We text you a photo of the exact background-checked, uniformed technician who will arrive, along with a copy of the business license, before the van is dispatched to your Tara Hills address. When the doorbell rings, you match the face to the photo. The Contra Costa County Sheriff’s Office handles calls in this unincorporated community, and we built our verification process around that reality. Call (409) 405-4485 and ask us to send the photo before you open the door.
Rekeying replaces the internal pins and springs inside the lock cylinder with a new set that matches a new key. The housing, the deadbolt, the trim, and the strike plate all stay in place. The old key physically cannot turn the cylinder anymore because the pin heights no longer line up with its cuts. We hand you the old keys back and show you they do not work before we leave.
Yes. Both Kwikset and Schlage cylinders can be rekeyed to the same key, as long as the keyway is compatible or we use a cross-compatible key blank. Most of the homes in Tara Hills that have a mix of brands still use standard 5-pin keyways, so one key can turn every lock in the house. We will confirm the exact keyway over the phone or on arrival, and the price does not change just because you have two brands.
No. A sticking lock in Tara Hills is usually caused by worn springs, accumulated dust, or a misaligned strike plate, not a cylinder that needs to be destroyed. We will diagnose the actual cause and tell you what a repair would involve. If a cylinder is genuinely worn out and needs replacement, we will quote that separately and show you the written price before any drilling happens. A rekey is not a fix for a sticking lock.
Yes, that is the only way we work. You call (409) 405-4485, describe how many doors and cylinders your Tara Hills home has, and we give you a written price on the phone. That price is the price on the invoice. There is no dispatch surcharge, no arrival fee, and no last-minute upgrade pitch. The full price is quoted before the van moves.
Written by Kevin Yoon, Owner at Preston Locksmith & Security, serving Tara Hills and the surrounding Bay Area communities since 2008.






