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.
Locksmith in South San Francisco, CA
Locksmith work in South San Francisco runs the range from quick rekeys on Grand Avenue condos to full commercial jobs near the biotech campuses along Gateway Boulevard. Most calls we take here are residential rekeys, deadbolt replacements, and emergency lockouts, with commercial work clustered around office parks and industrial suites east of 101. Every South San Francisco job starts with a written price before work begins and ends with a written guarantee covering the repair for one full year. Call (956) 275-7388 and a live person answers, day or night.
Why South San Francisco Homes Are Different
South San Francisco’s housing stock splits into two rough groups: postwar single-family homes built between the 1940s and 1980s in neighborhoods like Winston Manor, Paradise Valley, and Westborough, and newer multi-unit buildings concentrated near downtown and the Caltrain corridor. Older homes here often still carry original hardware, worn Schlage and Kwikset entry sets with decades of use on the cylinders. Coastal fog off San Bruno Mountain keeps things damp enough that locks near the hills rust and bind faster than you’d expect this far from the water. Homes on the eastern flats deal with a different issue: wind-driven grit that works its way into keyways and makes standard locks stick. Terrain matters too. Many South San Francisco homes sit on sloped lots, and side and garage doors frequently settle out of square, which throws deadbolts out of alignment. None of this is exotic. It just means a rekey or replacement here often takes a few extra minutes to do correctly, and it pays to have someone who knows what the fog, wind, and settlement do to hardware.
Our Main South San Francisco Services
Two services drive most of our South San Francisco calls: rekeying after a move or a tenant change, and full residential or commercial lock service. Each has its own South San Francisco page with pricing, timing, and local detail.
Rekey Locks in South San Francisco
New homeowners in South San Francisco call us most often in the two weeks after closing, usually from Winston Manor or Paradise Valley. A rekey changes the internal pins of an existing lock so old keys stop working, without replacing the hardware itself. It is the single most cost-effective way to reset building security after a key goes missing, a tenant moves out, or a contractor keeps a copy. We rekey Schlage, Kwikset, Yale, and Baldwin hardware daily, and on older South San Francisco homes we will tell you plainly if a worn cylinder should be replaced instead of rekeyed. Get the full breakdown on our Rekey Locks in South San Francisco page.

Residential Locksmith in South San Francisco
Residential work in South San Francisco runs from deadbolt replacement on a Westborough rancher to full door hardware upgrades on a downtown condo. Coastal moisture and hillside settlement mean we spend real time on alignment, not just swapping cylinders. Every job gets a written price before any work starts and a written guarantee covering the repair for a full year. See pricing, response times, and what a typical South San Francisco house call involves on our Residential Locksmith in South San Francisco page.

Commercial Locksmith in South San Francisco
South San Francisco’s commercial mix includes biotech offices, warehouses along Oyster Point, and retail on Grand Avenue and Westborough. Commercial work here means master key systems, high-security cylinders, storefront mortise locks, and rekeying offices after employee turnover. For Medeco, Mul-T-Lock, Abloy, or Sargent hardware, we schedule a survey, provide a written scope, and quote a flat per-lock price before any scheduling. Read the full detail on our Commercial Locksmith in South San Francisco page.

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.
Brands We Service in South San Francisco
We carry parts for the hardware South San Francisco homes and businesses actually use: Schlage, Kwikset, and Yale are the common ones. For commercial jobs, we are certified on Medeco and full high-security lines. Most standard repairs are completed same-day from parts on the truck. See our brands for the full list and what each line is used for.
Pricing for Locksmith in South San Francisco, CA
| Service | Typical range in South San Francisco |
|---|---|
| Rekey a single lock (labor included) | $24 – $44 per lock |
| Rekey multiple locks, same property | $20 – $32 per lock |
| House-wide rekey after move-in | $85 – $210 |
| Cylinder replacement (worn or damaged) | $30 – $70 |
| Rekey to a master key system | $35 – $60 per lock |
| Deadbolt replacement, standard residential | $60 – $170 |
| High-security deadbolt installation (Medeco or similar) | $160 – $330 |
| Residential lockout service | $65 – $110 |
| Commercial lockout service | $80 – $160 |
| Full commercial rekey, small suite | $110 – $260 |
Prices move higher in South San Francisco when a job involves high-security hardware, locks damaged by fog-driven rust, or door frames that need realignment on hillside homes. Whatever the scope, the price we quote on the phone is the price on the invoice, in writing, before any work starts.
Neighborhoods We Serve in South San Francisco
We cover all of South San Francisco, from the hills off Westborough down to the flats near 101. Response time across these neighborhoods is typically under an hour for lockouts and other urgent calls.
- Winston Manor
- Paradise Valley
- Westborough
- Old Town / Downtown
- Oyster Point
Service Area – Cities Near South San Francisco
Beyond South San Francisco, we handle calls in the surrounding Peninsula cities. If you are in Brisbane, CA, Daly City, CA, San Bruno, CA, or Millbrae, CA, the same written price and written guarantee apply.
Serving South San Francisco, CA - Our Local Coverage Area
We’re based in the South San Francisco 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 South San Francisco
Most South San Francisco lockouts are reached in under an hour. A live person answers the phone 24 hours a day, 7 days a week, and dispatch is local to the Peninsula. Call (956) 275-7388 and we will give you a real arrival window, not a vague promise.
Yes, in many cases. South San Francisco condos and multi-unit buildings often require landlord or HOA approval before entry locks are rekeyed or replaced. If you own a single-family home, no approval is needed. We can tell you what to check before we arrive.
No permit is required for rekeying or replacing locks in South San Francisco. The only time permit questions come up is with new construction or changes to fire-rated doors in commercial buildings, and we can walk you through that if it applies.
Yes. You get a written price before any work begins, and that is the price on the invoice. No call-out surcharge added on arrival, no bait number that changes at the door. Call (956) 275-7388 for a direct quote on your specific job.
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 South San Francisco Customers Say
"Deadbolt was loose and the strike plate was off. Fixed both and the door locks smoothly again."
- Pam S."Rekey on a small office building, five doors. Done in under an hour and the keys are labeled."
- Hugo M."Replaced a broken handle set and matched the finish. No upsell."
- Leon W.







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