Smart locks
House lockouts
Re-keying
Deadbolt upgrades
Schlage
Kwikset
Car keys & fobsNon-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.
Get your free estimateLocksmith in Emerald Lake Hills, CA
Rekey locks in Emerald Lake Hills is the core service we perform most often, because the hillside’s 1950s-1970s homes carry decades of key history: former owners, caretakers, contractors, cleaners. You can’t know who still holds a copy, and rekeying is the fastest way to take back control. The terrain here changes how we work too: narrow private lanes, gated driveways, and hardware that rusts faster in the damp redwood shade. For rekeying, car keys, or a weekend lockout, call Citadel Locksmith at (833) 589-8078.
Key Takeaways
- Rekeying a lock in Emerald Lake Hills typically costs $85 – $160 per lock, including labor, and restores full key control without replacing hardware.
- Corrosion from shaded, damp hillside conditions means many homes need latch servicing alongside the rekey itself.
- Callouts to the hills above Redwood City are routed by gate code and driveway access, not curb stops.
Why Emerald Lake Hills Homes Are Different
Emerald Lake Hills is an unincorporated, wooded enclave above Redwood City, and the housing stock drives almost all of our work here. Most homes are 1950s-1970s custom and ranch builds on large, tree-covered lots. They have original entry hardware, detached garages, and long driveways behind gates. The damp, shaded redwood-and-oak canopy keeps exterior locks, gate latches, and deadbolts wet and leaf-littered for months at a time, so corrosion and seized cylinders are far more common than on the sunny flats below.
We also see a distinct pattern tied to second homes and vacation rentals. Many Emerald Lake Hills properties sit dark for stretches, then fill for turnover weekends. Owners and property managers call to rekey remotely or hand off keys under pressure, and problems that would be caught early in a full-time home get discovered the day guests arrive. Mobile service here is always address-and-gate access routing: we confirm which lane to take, which gate code works, and whether the driveway has room for a vehicle before dispatch.
Styles & brands we work with







Our Main Emerald Lake Hills Services
The two services Emerald Lake Hills homeowners call us about most, besides rekeying, are car key replacement and emergency lockouts. Both are shaped by the hillside itself: distance from dealerships, limited parking, and the reality of finding a lock or vehicle problem after dark on a narrow road.
Car Key Replacement in Emerald Lake Hills
Many Emerald Lake Hills driveways hold two or three cars, and losing the only key to one of them is a weekend-ruining event. Rather than towing down to Redwood City or waiting on a dealership, we come to the property and cut and program replacement keys on site. That saves the tow and the markup on keys that would otherwise take days to arrive. If your key is lost, worn, or broken in the ignition, call us before the dealer. Car Key Replacement in Emerald Lake Hills covers what we replace and what it costs.

Emergency Locksmith in Emerald Lake Hills
Lockouts on the hillside happen in the dark, often at the top of a long driveway, sometimes in the rain. We’re built around urgent response, not a 9-to-5 schedule. Whether you’re locked out of the house, the detached garage, or a gate lock that will not turn, one call sends someone who knows Emerald Lake Hills roads and gate quirks. Emergency Locksmith in Emerald Lake Hills explains response patterns and what to expect on a callout.

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.
- 4
You approve before work beginsNothing starts until you say go.
Rekey Locks in Emerald Lake Hills
Rekeying a lock in Emerald Lake Hills usually costs between $85 and $160 per lock, depending on the cylinder and how many locks you do at once, and it is the single fastest way to restore control over who holds a working key. We recommend it after a home purchase, a tenant change, a lost key, or any handoff to a new property manager. The job is especially important here because many homes still carry original Schlage or Kwikset cylinders from their build year, and every former owner, caretaker, and contractor may have kept a copy. Our full Rekey Locks service page walks through the process in detail.
Lock Rekey
Signs you need it
You’ll want a lock rekey the moment you close on a house, change tenants or cleaners, lose a key, or realize you never got all copies back from a contractor.
What it costs in Emerald Lake Hills
Replacing the pins inside a standard deadbolt or knob cylinder with new ones runs $85 – $160 per lock, including the new keys and the labor.
How we do it
We remove the cylinder, swap the old pins for a new set matched to a fresh key, then reinstall and test the lock so all your existing hardware stays in place.
Rekey Door Lock
Signs you need it
Doors that have had multiple keys floating around, or entry locks that never got rekeyed after the last move, are the clearest sign.
What it costs in Emerald Lake Hills
You’ll typically pay $85 – $160 per door lock, with the cost affected by whether the cylinder is standard, high-security, or badly corroded from the damp hillside air.
How we do it
We repin each door lock so the old key stops working, cut new keys, and lubricate and test the latch and strike for smooth operation.
Rekey Service
Signs you need it
A full rekey service call is the right move when you want every exterior door on one key and a guaranteed reset on all old copies.
What it costs in Emerald Lake Hills
A multi-lock rekey service call typically lands between $180 and $320 for two to four locks, with the per-lock rate improving as more cylinders are done together.
How we do it
We arrive with pinning kits for all eight brands we service, repin every lock on the property in one visit, and hand you a matched set of new keys.
What Rekey Locks Costs in Emerald Lake Hills
| Item | Typical range in Emerald Lake Hills |
|---|---|
| Single lock rekey (deadbolt or knob) | $85 – $160 |
| Multiple locks rekeyed on one visit | $180 – $320 |
| High-security cylinder rekey (Medeco, Abloy, Mul-T-Lock) | $150 – $340 per lock |
How much does it cost to rekey a house in Emerald Lake Hills?
Most Emerald Lake Hills homes run $180 – $320 to rekey two to four exterior locks on a single visit, with high-security cylinders pushing the per-lock rate higher.
Can you rekey locks the same day in Emerald Lake Hills?
Yes. We keep pinning kits on every truck, so we can rekey most homes the same day you call. Call (833) 589-8078 and we’ll confirm a window.
Brands We Service in Emerald Lake Hills
We’re trained and equipped to service eight major lock brands, including Schlage and Kwikset cylinders found in nearly every 1950s-1970s Emerald Lake Hills home, plus high-security Medeco and Abloy systems on newer or upgraded doors. We stock common Schlage and Kwikset replacement parts on the truck, and we’re fluent in the higher-end lines that most locksmiths stock only by special order. See our brands for the full list and what each one brings.
Pricing for Locksmith in Emerald Lake Hills, CA
| Service | Typical range in Emerald Lake Hills |
|---|---|
| Single lock rekey | $85 – $160 |
| Multiple locks rekeyed together | $180 – $320 |
| High-security cylinder rekey | $150 – $340 |
| Rekey plus new deadbolt or knob hardware | $140 – $350 per lock |
| Gate or driveway lock rekey | $90 – $180 |
| Car key replacement (standard vehicle) | $150 – $300 |
| Car key replacement (key fob or transponder) | $200 – $450 |
| Emergency lockout response (residential) | $95 – $200 |
Pricing in Emerald Lake Hills runs slightly higher than on the flats for two reasons: drive time up narrow, winding lanes, and the corrosion we often have to work through before a lock rekeys cleanly. The price we quote on the phone is the full price on the invoice, with no call-out surcharge added on arrival, and we confirm the total before any work begins.
Neighborhoods We Serve in Emerald Lake Hills
We cover all of Emerald Lake Hills and the surrounding hillside streets in the 94061 ZIP, from the homes above Edgewood Road to the lanes that climb off Jefferson Avenue and the quieter properties near the lake itself. Most calls are answered the same day, with response patterns varying by how far up the hill you are and what gate access looks like for our vehicle.
- Upper Emerald Lake Hills
- Jefferson Avenue hillside
- Edgewood Road corridor
- Lakeview and canyon lanes
- Second-home and rental properties near the lake
Service Area – Cities Near Emerald Lake Hills
Citadel Locksmith’s service area follows the roads we know well. We also work regularly in Redwood City, CA down the hill, in North Fair Oaks, CA across the flats, in Atherton, CA to the southeast, and in West Menlo Park, CA beyond the creek. If you’re unsure which area you fall into, call (833) 589-8078 and we’ll route the nearest truck.
Serving Emerald Lake Hills, CA — Our Local Coverage Area
We’re based in the Emerald Lake 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 Locksmith in Emerald Lake Hills
Most homes in Emerald Lake Hills are within a 20-40 minute reach from our South San Francisco base, but drive time depends on how far up the hill you are and whether we need a gate code. We’ll confirm a window when you call.
No. Rekeying, replacing locks, and adding a deadbolt do not require permits or HOA approval anywhere in Emerald Lake Hills, because the work is confined to your own doors and existing hardware.
Yes. A large share of our work in Emerald Lake Hills is scheduled with property managers, handymen, or cleaners who unlock the property and wait while we rekey the locks to a new key set.
What happens when you call
- 1A real person answersNo phone trees — talk to a local locksmith pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Emerald Lake Hills Customers Say
"Key snapped off in the deadbolt. He extracted it without damaging the cylinder, which I did not think was going to be possible."
— Oscar Reyes"The old deadbolt was mounted crooked by whoever lived here before and had been sticking for years. He redrilled and reset it properly rather than just replacing the hardware."
— Brandon Wong"Installed a smart lock and actually set up the app and the codes with me instead of leaving me to figure it out from a leaflet."
— David Nguyen