Fast, Reliable Lock Installation & Rekey Across San Marino
Lock installation and rekeying in San Marino runs $150-$450 for most residential jobs, with same-day service available throughout the 91108 and 91118 ZIP codes. Our technicians arrive from our Los Angeles base within 30-45 minutes for calls placed before 3 p.m., and we quote a flat price on the phone before any truck rolls.
We’ve worked on San Marino homes for decades. The estates along Oak Knoll Drive, Huntington Drive, and the streets near Lacy Park aren’t standard suburban builds. These are 1920s-1940s Spanish Colonial Revival, Tudor, and Colonial Revival homes with original mortise locksets, hand-carved solid-wood doors, and hardware that demands a different skill set than what you’ll find on a modern tract house. Our Lock Installation & Rekey team knows the difference. When you call (833) 294-4584, you reach a live person, 24/7, who understands San Marino’s specific needs and can dispatch a background-checked, uniformed technician who shows ID at your door.
Why Strongbox Lock & Safe Co. of California Is San Marino’s Preferred Lock Installation & Rekey Company
San Marino homeowners have called us for over 42 years because we treat their properties with the care those properties command. We’ve rekeyed entire compounds after estate sales on Huntington Drive, preserved original Yale mortise hardware through three generations of the same family, and integrated smart locks into carriage houses that still answer to skeleton keys.
Our reputation here is built on specifics, not slogans. We rekeyed a 1930s Spanish Colonial Revival estate on San Marino’s Oak Knoll Drive, preserving its original Yale mortise locks while integrating a Schlage smart lock for the service entrance. The owner wanted whisper-quiet operation, so we matched the new cylinder’s backset to the antique mortise box perfectly. That kind of work requires knowing both the vintage brass and the modern electronics, a combination rarely needed at this volume in neighboring Alhambra or even most of Pasadena.
Our response time to San Marino averages 30-45 minutes during business hours. Calls placed after hours or on weekends still reach a live person, never a voicemail tree, and we maintain emergency availability because lockouts and security concerns don’t observe business hours. Every job carries our 90-Day Done Right Promise, backed in writing with no extra paperwork, no arguing. If it’s not right, we come back.
We’re the flat-price alternative to the $19-ad locksmith scam. The price we quote on the phone is the price on the invoice. For San Marino residents who’ve been burned by bait-and-switch operators before, that matters.
Our Lock Installation & Rekey Services in San Marino
Smart Lock Installation
San Marino estate owners increasingly want smart-lock convenience without sacrificing their home’s historic character. We install Schlage and Yale smart locks that integrate with existing mortise hardware, or we fit them to secondary entrances, carriage houses, and converted servants’ quarters where the aesthetic impact is minimal. The key is matching the backset and door prep to doors that weren’t factory-standard even when they were new. We quote flat pricing on the phone: smart lock installation on a standard modern door runs $280-$420 in San Marino; integration with vintage mortise hardware runs $350-$550 due to the custom fitting required.

Electronic Lock & Keypad Lock Installation
Pool houses, guest cottages, and home offices throughout San Marino benefit from electronic keypad locks that eliminate key management for staff and contractors. We install standalone keypads and hardwired systems, always accounting for the wood expansion and contraction that San Marino’s inland San Gabriel Valley climate produces. Santa Ana wind events and seasonal temperature swings cause solid-wood door frames to shift, which can throw off bolt alignment if the initial installation doesn’t anticipate it. Our electronic lock installations in San Marino run $220-$380 for residential keypads, with commercial-grade systems starting at $450.

Biometric Lock Installation
For San Marino clients who want the highest security tier, we install fingerprint and biometric locks from select manufacturers. These systems require precise door prep and stable mounting surfaces, which means extra attention on the hand-carved, often irregular wood doors common in this city’s historic estates. Biometric installation in San Marino typically runs $400-$650 depending on the hardware grade and door condition.

Key Duplication
We duplicate standard keys, high-security restricted keys, and, critically for San Marino, skeleton keys for original 1930s interior mortise locks. Not every locksmith stocks the blanks or maintains the cutting equipment for antique key profiles. We do. Key duplication runs $4-$18 per key for standard residential, $25-$45 for high-security or restricted blanks, and $35-$65 for antique skeleton key reproductions requiring hand filing.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in San Marino
We install and service Schlage, Kwikset, Medeco, and Yale throughout San Marino, maintaining local inventory of the cylinders, mortise boxes, and smart-lock components these jobs demand. That inventory matters on a city where a Thursday afternoon call about a sticking mortise lock on Oak Knoll Drive shouldn’t wait for a parts order from out of state. We stock Schlage smart-lock modules and Yale mortise cylinders specifically because San Marino’s mix of historic and modern hardware requires both. Turnaround on standard rekeys is same-day; custom antique hardware restoration typically runs 5-7 business days because we send brass components to our specialist refinisher rather than rushing a substandard job.
Common Lock Installation & Rekey Problems We See in San Marino Homes
- Bolt misalignment on hand-carved wood doors. San Marino’s solid-wood estate doors, often 1¾ to 2¼ inches thick, expand and contract with the city’s significant seasonal temperature swings. A deadbolt installed without accounting for this movement will bind or fail to throw fully. We measure seasonal clearance and set backset depth accordingly.
- Mortise lock sticking during Santa Ana wind events. The dry, hot Santa Ana winds that sweep through the San Gabriel Valley cause rapid wood shrinkage. We’ve responded to dozens of calls near Lacy Park where original mortise bolts suddenly stick in their strikes because the door frame has pulled 1/16 inch away from the jamb. The fix is strike-plate adjustment, not lock replacement.
- Incomplete rekeying of estate compounds. Main-house smart-lock upgrades often neglect detached garages, pool houses, and guest cottages. We regularly complete partial jobs left by other locksmiths, rekeying five or six structures to a single master system while preserving the original hardware the family wants kept.
- Generic hardware swapped for vintage brass. A locksmith unfamiliar with San Marino’s market will replace an ornate 1930s escutcheon with a box-store deadbolt because it’s faster. We restore and rekey the original hardware, or, when it’s beyond saving, source period-appropriate replacements through our antique hardware suppliers.
Pricing for Lock Installation & Rekey in San Marino, CA
We quote flat prices on the phone before any work begins. The price you hear is the price on the invoice.
| Service | Typical Range in San Marino |
|---|---|
| Standard rekey (per cylinder) | $25-$45 |
| Full-home rekey (4-6 cylinders) | $150-$280 |
| Estate compound rekey (multiple buildings) | $350-$650 |
| Deadbolt installation, standard door | $180-$280 |
| Smart lock installation, standard door | $280-$420 |
| Smart lock integration with vintage mortise | $350-$550 |
| Electronic keypad lock installation | $220-$380 |
| Biometric lock installation | $400-$650 |
| Key duplication, standard | $4-$18 |
| Key duplication, high-security/restricted | $25-$45 |
| Skeleton key reproduction (antique) | $35-$65 |
| Mortise lock repair/restoration | $150-$340 |
Several factors move San Marino jobs toward the higher end of these ranges: vintage hardware requiring custom fitting, multiple buildings needing master keying, and doors with non-standard prep that need modification without damage. We discuss these specifics during your free phone estimate. Seniors and veterans receive a permanent 5% discount. Repairs over $250 qualify for $50 off. Call (833) 294-4584 for your exact quote.
We Also Serve Cities Near San Marino
Our Lock Installation & Rekey in San Marino team is based in Los Angeles and covers the full San Gabriel Valley corridor. We regularly work in San Gabriel, East San Gabriel, Alhambra, and East Pasadena, though the volume of historic estate work we see in San Marino itself is unique in this region. Response times to these neighboring cities run similar, 30-50 minutes depending on traffic on the 210 or surface streets through Pasadena.
Serving San Marino, CA - Our Local Coverage Area
We’re based in the San Marino 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 - Lock Installation & Rekey in San Marino
Yes. We integrate smart locks behind or adjacent to original escutcheons, or fit them to secondary entrances where the visual impact is zero. On a 1930s estate on Oak Knoll Drive, we preserved the original Yale mortise locks while adding a Schlage smart lock to the service entrance, matching cylinder backset to the antique mortise box for quiet operation. The wrought-iron escutcheon on your front door stays exactly as it is. Call (833) 294-4584 and we’ll walk through your specific door prep.
The dry, hot Santa Ana winds cause rapid wood shrinkage in San Marino’s solid-wood door frames, pulling the jamb away from the strike plate by fractions of an inch that bind the bolt. This is a seasonal, climate-specific issue we see repeatedly in the inland San Gabriel Valley, distinct from the more stable coastal microclimates. The fix is strike-plate adjustment and sometimes jamb screw tightening, not lock replacement. We can assess this during a free estimate, and our $89 Seasonal Tune-Up includes strike alignment and hardware lubrication.
Yes, and we do this regularly in San Marino where estate and trust sales move multigenerational properties between family members. We’ll rekey the main house, guest house, pool house, garage, and any additional structures to a single master key system, preserving original hardware where requested. Estate compound rekeying in San Marino typically runs $350-$650 depending on cylinder count and hardware condition. Call (833) 294-4584 to schedule a walk-through.
Yes. We maintain the blanks and cutting equipment for antique skeleton key profiles, a service many locksmiths no longer offer. Skeleton key reproduction in San Marino runs $35-$65 per key, with hand filing required for non-standard profiles. Bring your original or a clear photo with measurements, and we’ll confirm whether we can match it before you commit. Estimates are free.
We set strike-plate clearance with seasonal wood movement in mind, using slightly deeper mortises and adjustable strikes on San Marino’s thick, hand-carved doors. San Marino’s inland location produces wider temperature swings than coastal areas, so a deadbolt fitted flush in January may bind by August. Our installations account for this expansion range. If you’re experiencing binding now, we can adjust existing hardware without replacing it. Call (833) 294-4584 for a free assessment.
Ready to secure your San Marino home with work that’s done right and backed in writing? Call Strongbox Lock & Safe Co. at (833) 294-4584 for a free estimate. A live person answers every call, 24/7, and we’ll quote your flat price before any truck rolls.
Written by Gil Sanderson, Owner at Strongbox Lock & Safe Co., serving San Marino since 1982.