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 Los Altos
A residential locksmith call in Los Altos usually means one of three things: a lockout, a rekey after keys went missing, or upgrading entry hardware on an older home. We handle all three with a written price agreed before anyone is dispatched. Ridley Locksmith & Security has served Los Altos as part of the Garrison Partners family since 2007, operating under The Garrison Standard on every job. A live person answers our phone 24/7, and background-checked, uniformed technicians arrive in marked vehicles. Call (956) 275-7388 for a free estimate.
Why Ridley Locksmith & Security Is Los Altos’s Preferred Residential Locksmith Company
Homeowners across Los Altos know the difference between a shop that quotes a number and a shop that hands you a written price before work starts. Ours is a standing offer on every residential call. No arrival fee surprises, no “the lock is more complicated than we thought” upcharge. Drew Kowalski, who leads Ridley Locksmith & Security, built the Los Altos service on a simple rule: the price quoted on the phone is the price on the invoice. That approach matters in a city where door hardware runs older than what most shops keep on the truck.
Our Residential Locksmith technicians arrive with the full range of pin kits, cylinder sizes, and replacement hardware needed for Los Altos homes. That means a 1950s mortise lock near downtown gets serviced, not drilled. It means a Schlage deadbolt on a Springer Road property gets new pins inside a standard visit. And every repair carries the 365-Day Done Right Promise: a written guarantee covering the work for one full year. If it fails inside that window, we return at no charge.
Apartment Locksmith in Los Altos
Apartment Locksmith work in Los Altos covers lock changes, rekeys, and hardware upgrades for rental units, condos, and accessory dwelling units across the city. Most property owners call us when a tenant moves out and the previous key situation is unknown. We rekey the existing lock cylinders, issue new keys, and hand the owner a written price before any work begins. A standard apartment rekey in Los Altos runs $85 – $160 per lock, depending on cylinder type and key count. Lock changes run $115 – $230 per door including hardware.
Turnover Rekeys and New Key Sets
When a unit turns over, rekeying beats replacing every time. We pull the cylinder, swap the internal pins, cut fresh keys, and the old keys stop working. No new hardware needed. The landlord gets a written record and a one-year guarantee on the rekey.
Common-Area and Mailbox Locks
Los Altos apartment buildings often have shared entry doors and mail clusters that need separate keying. We key common areas on a master system when requested, and service mailbox locks on site. A written price covers every lock in the scope before we start.
Lost Key Replacement in Los Altos
Lost Key Replacement in Los Altos means getting new keys cut after the only set goes missing, and often rekeying the lock so the lost key no longer works. That last part matters. If a key vanished from a bag or a car, anyone holding it can still enter the home until the lock is rekeyed. We cut replacement keys on the spot for Schlage, Kwikset, Yale, and Medeco cylinders. Duplicate cutting in Los Altos runs $8 – $25 per key. A rekey after lost keys runs $85 – $160 per lock, with new keys included.
Single Key Replacements
If you still have one working key, we can cut duplicates quickly. Bring the key to our tech on-site, or we handle it as part of a service call. No need to replace hardware.
Rekey After Lost Keys
Lost keys are a security decision, not just a convenience. We recommend rekeying affected entry points. The written price covers the full job, keys included, and the one-year guarantee applies to the rekey.
Trusted Brands We Service in Los Altos
Los Altos homes carry everything from modern Kwikset smart locks on newer builds to Baldwin mortise locksets on downtown original construction. Our technicians are trained on the full spectrum, and we stock local parts for the brands Los Altos homeowners actually use. Medeco high-security cylinders get pinned and cut on-site, not sent out. Yale night latches on older service doors get serviced rather than replaced when the brass is worth keeping. Since 2007, the Garrison Standard has required every tech to know the hardware before touching the door. That training shows in how we handle vintage Los Altos entryways.
Common Residential Locksmith Problems We See in Los Altos Homes
- Original mortise locksets on 1940s and 1950s solid-core doors. These locks use older sidebar and pin-and-tumbler cylinders that standard truck stock does not cover. We carry the right parts and service them without drilling.
- Swollen wood doors in wet winters. Los Altos gets enough seasonal moisture that solid wood entry doors bind against their frames. Locks feel stiff, deadbolts refuse to throw, and keys stick. We adjust strike plates and realign hardware before replacing anything.
- Deadbolts installed wrong on rental units. Quick flips leave deadbolts with short screws or misaligned strikes. We see this in apartment turnovers off El Camino Real and fix it with reinforced strikes and proper backset.
- Lost keys on single-key properties. Many Los Altos homes still operate on one key for a vintage front door. Losing it means either a rekey or a lockout. We handle both with non-destructive entry and on-site key cutting.
Pricing for Residential Locksmith in Los Altos, CA
A residential lockout in Los Altos runs $75 – $150, quoted before dispatch. Rekeying a mortise lock costs $110 – $190 depending on cylinder condition. Standard deadbolt installations run $130 – $240 per door including hardware. Lock changes for knob or lever sets run $115 – $230. These are honest Los Altos market ranges, not teaser numbers. The price you approve on the phone is the price on your invoice. We do not add a dispatch fee, a “service call surcharge,” or a surprise labor charge when the tech arrives. Call (956) 275-7388 and get a firm written price for your specific door hardware before anyone drives to you.
We Also Serve Cities Near Los Altos
Ridley Locksmith & Security provides residential locksmith work throughout the mid-peninsula, including Mountain View, Stanford, Palo Alto, and Portola Valley. If your property sits on the Los Altos border or you split time between cities, our Residential Locksmith in Los Altos team covers the whole area with the same written-price standard.
Serving Los Altos, CA - Our Local Coverage Area
We’re based in the Los Altos 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 Los Altos
We use non-destructive entry techniques first: bypass tools, shims where appropriate, and pick guns on standard pin-and-tumbler cylinders. In Los Altos, where many front doors still have original mortise locksets from the 1950s and 1960s, this matters even more. Drilling destroys hardware that cannot be replaced from a standard catalog. Our techs save the lock, service it, and cut new keys on-site. Call (956) 275-7388 for a quote.
Yes. Rekeying means changing the internal pins inside the lock cylinder so the old key stops working. The hardware stays. Most Los Altos homes with Schlage, Kwikset, Yale, or vintage mortise cylinders are good rekey candidates. Rekeying runs $85 – $160 per lock in Los Altos. Replacement is only needed when the hardware itself is worn or broken. We give you a written price for either path before starting.
A standard rekey or lock change in Los Altos takes 30 – 60 minutes per door. Mortise lock service on older downtown homes can run up to 90 minutes because the cylinders need more careful handling. Lockouts average 15 – 30 minutes from arrival. We quote the time and the price together, before dispatch, so you know what the visit looks like before the tech arrives.
Yes. Every Ridley technician arrives in a marked vehicle, wearing a uniform with a photo ID. Before any work begins, we confirm the tech is a background-checked Ridley Locksmith & Security employee, not a subcontractor. In older Los Altos neighborhoods where doorways sit back from the street and sightlines are limited, verifying identity before opening the door is standard practice. The name on the dispatch matches the person on your step, and the price matches the phone quote.
We cut replacement keys on-site for standard Los Altos hardware. If you still have a working key, duplicates run $8 – $25. If the key was lost and you want the security of knowing no one else can use it, we recommend a rekey at $85 – $160 per lock, new keys included. The written price covers everything. Call (956) 275-7388 and we’ll quote your specific lock over the phone.
Written by Drew Kowalski, Owner at Ridley Locksmith & Security, serving Los Altos under The Garrison Standard since 2007.







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