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 Residential Locksmith Across Hillsborough
Residential locksmith work in Hillsborough runs on a different scale than most of the Peninsula. A standard call here often means a main residence, a detached garage, a motor court gate, and a guesthouse, all on separate key systems. That’s why our techs arrive with Medeco, Mul-T-Lock, and Abloy pinning kits already loaded, not just a ring of blanks. If you need a Residential Locksmith who understands estate properties with restricted key systems, call (910) 714-4287 and you’ll get a live person on the phone, any hour.
We serve Hillsborough directly, with dispatch coordinated from the San Francisco Bay Area office and local crews who know the streets, the gates, and the hardware this town runs on. No call center scripts. No generic techs. Just someone who has worked on original mortise lock bodies and rusted motor court gate mechanisms before they ring your doorbell.
Why Dunmore Locksmith Is Hillsborough’s Preferred Residential Locksmith Company
Hillsborough homeowners tend to ask sharper questions than most. They want to know who is coming to the door, what the job costs before it starts, and whether the hardware will hold up against the fog that rolls off the Bay. Those are exactly the questions we answer in writing. Every Dunmore job includes a written price before any work begins. Not an estimate that grows. The full number. On the invoice, it matches the phone quote, down to the dollar.
Our technicians arrive in clean marked uniforms with a photo ID badge shown at the door before they step inside. Before the visit, we send the tech’s name and photo so you know exactly who you are opening the door to. That is The Threshold Standard, and it is not a marketing line. It’s the reason we’ve been trusted with Hillsborough’s complicated key systems since 2007. If someone shows up who you were not told to expect, that visit is on us. A 365-Day Done Right Promise backs every repair: if it fails within a year, we return at no charge.
Perry Osgood, who leads our team, has a simple rule: no guesswork at the door. The price is written, the tech is named, and the job is guaranteed for a full year. That’s the whole arrangement.
Deadbolt Installation in Hillsborough
Deadbolt Installation in Hillsborough usually means upgrading a 1950s-era Schlage or Kwikset single-cylinder deadbolt to a high-security Medeco or Mul-T-Lock cylinder that a retail kiosk cannot legally duplicate. On older 1920s Spanish Colonial Revival estates along Crystal Springs Road and Ralston Avenue, we often find the original mortise lock body is still solid but the deadbolt cylinder has worn to the point where the key wiggles or the bolt doesn’t fully throw. In those cases we rebuild the cylinder rather than rip out the antique body. A standard deadbolt install on a solid-core front door in Hillsborough typically runs $140 to $260. Adding a high-security cylinder pushes that to $290 to $440, including the restricted key blanks.
High-security cylinders for front doors
A Hillsborough front door deserves more than a commodity deadbolt. Medeco and Mul-T-Lock cylinders use angled pin cuts and a side bar that a hardware store kiosk physically cannot cut. We stock blanks and spares in the truck, so a single visit covers the whole install, not two trips.
Matching existing mortise hardware
If you live in one of the 1920s-to-1940s estates, your door likely has a heavy mortise lock body that was built better than most modern hardware. Replacing it with a standard deadbolt would force us to bore new holes and abandon the original fit. Instead, we rebuild the cylinder inside the existing mortise body and reinforce the strike plate, keeping the hardware original and the key control restricted.
Locksmith Key Replacement in Hillsborough
Locksmith Key Replacement in Hillsborough rarely means cutting a house key at the hardware counter. Most of this town’s locks run on patented, restricted keyways from Medeco, Mul-T-Lock, or Abloy, and those blanks are sold only through authorized dealers. We hold factory authorization for all three lines, so a replacement key for a mid-century estate off Roblar Avenue or a newer build in the Ralston corridor is cut and coded on the spot, with the same key-control card logged so unauthorized copies cannot be made. Basic replacement keys for standard Kwikset or Schlage cylinders run $8 to $18 per key. Restricted Medeco or Mul-T-Lock keys run $28 to $55 per key, including the authorization check and code logging.
Restricted key duplication and key-control cards
When we issue a restricted key for a Hillsborough property, we sign a key-control card that names the person authorized to request future copies. No card, no copy. That is the point of a restricted system: the key cannot be duplicated at a kiosk, and the owner controls who gets another one. If you cannot find your key-control card, we can re-establish authorization through the homeowner of record, but it takes an extra step and an ID check.
Replacement keys after a lockout or staff change
If you have just changed housekeeping or nanny staff and are weighing key replacement against a full rekey, start with the key-control card. If the keyway is restricted and the card is intact, the old keys can be voided and new ones cut without changing cylinder pins. If the system is a standard Kwikset or Schlage keyway with no card, a full rekey is the only real security answer. More on that below.
Trusted Brands We Service in Hillsborough
We are factory-authorized for Medeco, Mul-T-Lock, Abloy, Schlage, Kwikset, Yale, Baldwin, and Sargent. For Hillsborough specifically, that matters because a Baldwin mortise lock on a 1930s front door needs different servicing than a Kwikset deadbolt on a 2005 custom build. We stock local parts for the brands this town actually uses: Medeco pinning kits, Mul-T-Lock cylinders, Yale smart lock modules, and Baldwin mortise components. Fast turnaround means we can usually rebuild or rekey on the first visit rather than ordering parts and returning next week.
Common Residential Locksmith Problems We See in Hillsborough Homes
- Fog-corroded gate locks and wrought-iron hardware: The coastal marine layer that rolls across the Peninsula keeps exterior mechanisms damp for months. Motorized gate locks and iron door hardware seize up without regular cleaning and marine-grade lubricant. We strip, clean, and re-lubricate these mechanisms on nearly every whole-property rekey.
- Household staff turnover triggering whole-property rekeys: When a nanny or housekeeper leaves, the right response is not rekeying one door. It is rekeying the main residence, guesthouse, motor court gate, and detached garage to a unified system, with new restricted keys and a signed control card.
- Original 1920s – 1940s mortise lock bodies stripped by previous generic hardware swaps: We see doors where a prior tech replaced a worn cylinder with a commodity deadbolt and bored out the original mortise cavity. The door loses its antique fit and the hardware never sits right. Rebuilding the original mortise body is usually cheaper than replacing the door.
- High-end smart locks that don’t integrate with the existing alarm system: Hillsborough homes often have integrated security with zone-based alarms and smart thermostats. A keypad deadbolt that cannot handshake with the alarm panel is a downgrade. We install smart hardware from Yale and Schlage that integrates with the existing system, not against it.
Pricing for Residential Locksmith in Hillsborough, CA
Here are the numbers Hillsborough homeowners ask for most often. A standard lock rekey on a Kwikset or Schlage cylinder runs $85 to $140 for the first lock and $25 to $45 per additional cylinder. Deadbolt installation runs $140 to $260 for standard hardware; a high-security Medeco or Mul-T-Lock deadbolt runs $290 to $440. A whole-property rekey across a main house, guesthouse, motor court gate, and detached garage, including unified keying and a key-control card, typically lands between $480 and $900. Restricted key replacement runs $28 to $55 per key. Every job gets a written price before work begins, and the price on the invoice matches the quote exactly. Call (910) 714-4287 for a free estimate, and we’ll give you the real number over the phone, before anyone is dispatched.
We Also Serve Cities Near Hillsborough
While this page is written specifically for Hillsborough’s estate-scale properties and restricted key systems, our residential locksmith crews cover nearby cities including Los Angeles, San Diego, San Jose, and San Francisco. The housing stock and hardware priorities differ from neighborhood to neighborhood, but The Threshold Standard applies everywhere we roll: named tech, photo ID at the door, and a written price before work starts.
Serving Hillsborough, CA - Our Local Coverage Area
We’re based in the Hillsborough 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 Residential Locksmith in Hillsborough
No. Medeco, Mul-T-Lock, and Abloy key blanks are patented and sold only through authorized dealers. A hardware store kiosk cannot cut them and legally cannot source the blanks. To get a copy, you need a factory-authorized locksmith and the key-control card associated with your system. That is the security feature you paid for. Call (910) 714-4287 and we’ll verify authorization and cut replacements on site.
If the staff member had keys to any exterior door, gate, or outbuilding, a full rekey is the correct answer. In Hillsborough, that often means the main residence, guesthouse, motor court gate, and detached garage all on one unified key system. Rekeying just the front door leaves every other access point live. We bring the pinning kits and master blanks needed to rebuild all cylinders in one visit, and we issue a new key-control card so future copies require your authorization.
It is usually the fog. The coastal marine layer that sits over this side of the Peninsula keeps iron and steel hardware damp for long stretches, which breaks down standard lubricants and encourages corrosion. A sticking gate lock in Hillsborough often needs a full mechanism cleaning, fresh marine-grade lubricant, and in some cases replacement of a corroded internal spring or pin. We see this exact failure pattern on older estates near Crystal Springs Road and the Ralston corridor. A quick service call usually solves it before the lock seizes completely.
Yes. We install Yale and Schlage smart locks that can be tied into most integrated home alarm and automation systems already common in Hillsborough homes. The key is matching the lock’s communication protocol to your panel. We verify compatibility before we drill, program the lock, test the handshake, and leave you with a written record of the integration. If your alarm system uses a proprietary protocol, we’ll tell you before any hardware is purchased.
Rarely. We carry picks and bypass tools specifically for older mortise lock bodies, along with the pinning kits to rebuild the cylinder after entry. Most 1920s and 1930s mortise locks on Hillsborough’s Spanish Colonial and Mediterranean estates can be opened without destroying the hardware. If drilling is the only option because the mechanism has failed internally, we’ll tell you before we touch the door and give you the written price to replace or rebuild the lock. A drill-and-replace should always be the last option, not the first. Call (910) 714-4287 and we’ll walk you through what we can do for your specific door.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Hillsborough since 2007.