24/7 mobile locksmith — live now(888) 492-0666
One & Only Locksmith
LA · Bay Area · CA — 24/7
San Marino • Home lock & key services

Residential Locksmith in San Marino, CA.

Protecting homes across greater Los Angeles since 2010. Mobile vans dispatched 24/7 across San Marino and the surrounding San Gabriel Valley.

  • 15-30 min response across San Marino
  • 19 sub-services available
  • Live human dispatcher 24/7
  • Upfront, written pricing
4.9/5 from 1,286 reviews
Bonded & Insured
15+ years serving LA
One & Only Locksmith mobile technician at work
Live dispatcher right now
(888) 492-0666
Call
15-30 min
average response
Bonded & Insured
fully licensed
4.9/5 stars
1,286 reviews
120,000+
jobs completed
24/7 dispatch
live human, always
Upfront pricing
no hidden fees
Residential Locksmith

Residential Locksmith sub-services in San Marino

Whether you've been locked out, just bought a new home, or want to upgrade to high-security or smart locks, our residential locksmiths arrive fast and finish the job clean. We service single-family houses, condos, townhomes, ADUs, gated communities, and HOA properties.

Home Lockout in San Marino

Fast house lockout service, day or night.

Read more

Lock Rekeying in San Marino

Rekey deadbolts and knobs without buying new hardware.

Read more

Lock Installation in San Marino

Professional installation of any quality residential lock.

Read more

Lock Repair in San Marino

Repair sticky, loose, or misaligned residential locks.

Read more

High-Security Locks in San Marino

Medeco, Mul-T-Lock, ASSA, and other high-security lock systems.

Read more

Smart Lock Installation in San Marino

Smart, Wi-Fi, and keypad locks installed and configured.

Read more

Master Key Systems in San Marino

Custom keying so one key opens everything and others open only what they should.

Read more

Mailbox Locks in San Marino

Mailbox lock change, replacement, and key duplication.

Read more

Keyless Entry / Electronic Locks in San Marino

Keyless entry locks for homes, gates, and accessory dwellings.

Read more

Apartment Lockout Service in San Marino

Fast lockout service for apartments, condos, and rentals.

Read more

Tenant Move-Out Rekey in San Marino

Rekey rental units between tenants for landlords and property managers.

Read more

Patio & Sliding Door Lock Repair in San Marino

Repair and replace patio and sliding door locks.

Read more

Garage Door Lock Repair in San Marino

Repair and replace garage door and garage entry locks.

Read more

Gate Lock Installation & Repair in San Marino

Locks for every kind of residential gate.

Read more

Mailbox Lock Replacement in San Marino

Replace mailbox locks when keys are lost or after move-in.

Read more

Cabinet & Drawer Lock Installation in San Marino

Install locks on cabinets, drawers, and home storage.

Read more

Home Safe Service in San Marino

Open and service residential safes — when the keypad fails, code is lost, or safe won't budge.

Read more

Door Knob & Handle Repair in San Marino

Repair or replace door knobs, handles, and levers.

Read more

Door Reinforcement & Strike Plate Upgrade in San Marino

Reinforce doors, frames, and strike plates against kick-ins.

Read more

Why local San Marino experience matters

San Marino has its own personality, and our service approach reflects it.

Around The Huntington Library, we're often there for routine maintenance: smart-lock battery replacement, sticky deadbolts, and lost mailbox keys.

Cross-border jobs into Pasadena, South Pasadena, San Gabriel are routine, so the same fast response applies if your address technically straddles a city line.

Older San Marino homes often have mortise or aging cylinder locks that need careful handling — drilling them is rarely the right answer the first time.

Why San Marino customers choose One & Only Locksmith

Bonded and insured. Bonded & Insured. We can provide our certificate of insurance, W-9, and license info on request — useful for HOAs, property managers, insurance claims, and commercial procurement.

Non-destructive entry first. Our locksmiths are trained to pick, bypass, and decode. We drill only as a last resort, and only after explaining why. Most San Marino lockouts in residential, commercial, and automotive locks are opened cleanly with no damage at all.

Local knowledge of San Marino. Older homes have older mortise locks. Newer high-rises have proprietary cylinders. Cluster mailboxes have specific USPS standards. We know what's typical for the San Gabriel Valley and bring the right hardware on the first trip.

Same crew, start to finish. Whether it's a 5-minute lockout or a multi-day master key system in San Marino, the same technician owns your job from arrival to handoff. No "we'll send another guy out for that part."

Real reviews, real reputation. Over 1,286 verified reviews and a 4.9-star average. We've built our business one neighbor at a time and we don't gamble that on a single bad job.

Mobile, fully-stocked vans. We don't hand you a quote and then "go get the parts." Our trucks carry deadbolts, strikes, smart locks, panic bars, transponder blanks, programmers, extractors, and more — first-visit completion on the vast majority of jobs.

What to expect when you call us in San Marino

Here's exactly what happens when you call us for service in San Marino.

1. You call (888) 492-0666. A live dispatcher picks up. They confirm the address, the issue, and any specifics ("front door deadbolt, Schlage, brushed nickel"). You'll get a clear ETA and a price range.

2. The nearest van rolls. We dispatch the closest fully-stocked technician to your San Marino location. You'll get a text or call when they're a few minutes out.

3. ID and authority verified. For lockouts and rekeys, we verify ownership or authority before opening anything. This protects you and us.

4. On-site assessment. Your tech inspects the lock, door, frame, hardware, and any related issues. We'll explain what we recommend and why.

5. Written, signed quote. Before any work begins, you get a clear written quote. If you don't want to proceed, you don't owe a dime.

6. Clean work. Hardware is installed straight, square, and to manufacturer spec. Strikes are reinforced into the king stud where appropriate. Old hardware is removed and disposed of.

7. Test and tour. We test the lock or system top to bottom, walk you through any new keys/codes/fobs, and answer questions.

8. Receipt and warranty. Itemized receipt by email, plus our workmanship warranty on every install.

Honest pricing for San Marino customers

Pricing comes up on every call, so let's address it directly.

Standard service calls in San Marino are quoted by our dispatcher when you call. The number depends on a few real variables: the lock or system involved, time of day, distance from the nearest van, and any parts required. Once our technician is on site and has eyes on the job, you get a written quote — and you don't pay anything until you sign off.

Volume work — apartment turnovers, master keying, multi-door rekeys, and access control — is priced more aggressively per door because the setup is shared. Ask us for a multi-door quote.

Payment: Cash, Credit Card, Debit Card, Apple Pay, Google Pay. We email an itemized receipt the same day, useful for insurance claims, expense reports, or property management records.

Common scenarios in San Marino

Here are the situations we see again and again from San Marino callers.

1. You're locked out and need fast, clean entry.

2. You lost a key and want to make sure no one else can use it.

3. You moved into a new place and want a fresh start.

4. An employee or roommate left and you need to invalidate their key.

5. An old lock has finally given up and needs to be replaced.

Hardware we install in San Marino

We're brand-agnostic — we use whatever fits the job and the customer's budget.

Residential locks: Schlage B60/B62/Encode, Kwikset 980/SmartCode, Yale Assure, Baldwin, Emtek, Medeco, Mul-T-Lock, Level.

Smart locks & access control: August, Schlage Encode, Yale Assure SL, Kwikset Halo, Level Bolt, Salto KS, Brivo, Kisi, Openpath. Mobile, fob, and PIN credentials.

Service coverage in San Marino

We dispatch across every neighborhood and ZIP code in San Marino.

ZIP codes covered: 91108.

Adjacent areas we routinely serve in the same trip: Pasadena, South Pasadena, San Gabriel.

For commercial buildings in San Marino requiring loading-dock or after-hours access, share the entry instructions with our dispatcher and we'll route the technician accordingly.

Talk to a real San Marino locksmith now

Stop searching, start solving. Call (888) 492-0666 and a person picks up. We're already on this side of LA.

Residential Locksmith in cities near San Marino

We dispatch across the San Gabriel Valley. If your address is on a city line, choose the nearest match — our nearest van still rolls.

FAQ

Residential Locksmith in San Marino — FAQ

Should I rekey or replace my locks when I move into a home in San Marino?
Most homeowners in San Marino are best served by rekeying. As long as the existing locks are in good condition and you like how they look and feel, rekeying is faster, costs less, and is just as secure as buying brand-new locks — every old key (sellers, agents, contractors, neighbors) is invalidated. We'd recommend full replacement instead if the locks are worn out, builder-grade, or you want to upgrade to high-security or smart hardware.
Can One & Only Locksmith match all the locks on my San Marino home to one key?
Yes. As long as the locks are compatible (same keyway/family), we can rekey every door — front, back, side, garage entry, mailbox, and even patio locks where applicable — to operate from a single key. If your locks are mismatched brands, we can swap a few cylinders so the whole house can be keyed alike.
What's a smart lock worth on a San Marino home?
Smart locks are extremely useful for San Marino households with cleaners, dog walkers, contractors, or short-term rental guests. They let you issue temporary codes, remotely lock or unlock the door, and see entry history. We always recommend models with mechanical key override so you're never locked out by a dead battery — and we install them with the auto-lock and Wi-Fi alignment dialed in correctly.
Are smart locks safe to use as the main lock on a San Marino home?
Yes, as long as the model is reputable (Schlage, Yale, August, Kwikset Halo, Level), correctly installed, and supported by a strong door, frame, and strike plate. We recommend pairing a smart lock with a reinforced strike plate and 3-inch screws into the king stud. The weakest link in most break-ins isn't the lock — it's the strike, frame, or door.
What does a typical residential locksmith service call run in San Marino?
Pricing depends on which residential service you need, how many doors are involved, and which lock brands are on the door. Our dispatcher can give you a ballpark over the phone, and our technician confirms a written quote before starting work.
Do you handle gate locks, mailbox locks, and ADU doors in San Marino?
Yes — front gates, side gates, mailbox locks, sliding doors, French doors, garage entry doors, ADUs, and detached workshops. If it has a lock or it should have one, our San Marino residential techs can service it.
Are you a real local locksmith in San Marino, or a call center?
One & Only Locksmith is an owner-operated, locally dispatched locksmith. When you call (888) 492-0666, a real person picks up — not a national booking service. Our nearest mobile technician to San Marino is dispatched directly, and you'll know their ETA before you hang up.
How fast can you reach a job in San Marino?
Most jobs in San Marino are reached in 15-30 minutes during normal traffic. Time of day, freeway conditions, and how many active calls we have can extend that window during rush hour. Our dispatcher will give you an honest ETA up front and update you if anything changes.
Do you charge extra at night or on weekends in San Marino?
On most service calls in San Marino, our standard rate applies 24/7 — including evenings, weekends, and holidays. A small after-hours surcharge can apply for unusual situations like an extended drive at 3am to a remote address, but you'll always be told before any charge is added.
Are you bonded and insured?
Yes. One & Only Locksmith is a bonded and insured locksmith service. We'll happily provide our information for insurance claims, HOA paperwork, or building management requirements.

Need residential locksmith in San Marino?

Real local crew. Live dispatcher. Real prices.

24/7 dispatch — live now
One & Only Locksmith
Call now