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 Pasadena, CA
A locksmith in Pasadena is rarely just showing up with a drill and a box of deadbolts. The city’s pre-war housing stock means many calls involve mortise locks, original skeleton-key hardware, and doors that have been settling into their frames since before World War II. Summer heat adds a predictable wave of misaligned latches and stuck deadbolts every July through September. Whether it’s a lockout, a rekey, or a commercial access system, Blackthorn Locksmith & Security handles it with a written price before work begins and a live person on the phone around the clock. Call (818) 390-9007 and you’ll talk to a human, not a menu.
Why Pasadena Homes Are Different
Pasadena has one of the highest concentrations of pre-1950 housing in Los Angeles County. Craftsman bungalows, Mission Revival, and Spanish Colonial homes dominate whole neighborhoods, and many still have their original mortise lock pockets and skeleton-key mechanisms from the 1910s through 1930s. In designated historic districts like Bungalow Heaven, preservation guidelines restrict what exterior hardware a homeowner can install. A standard big-box deadbolt and a spade bit can create a code complaint from the city or a flag from a neighbor. The work often means rebuilding or rekeying an antique mortise lock, or sourcing period-compatible hardware from Baldwin or Emtek that satisfies both security needs and historic review.
Then there’s the heat. Pasadena sits in the San Gabriel Valley interior and regularly tops 100°F in summer, well above coastal Los Angeles. The old-growth Douglas fir and redwood door frames common in Craftsman homes expand seasonally, throwing deadbolts and mortise latches out of alignment. July through September brings a steady wave of sticky-lock and misaligned-strike-plate calls. Knowing which locks need adjusting versus which need new hardware is the difference between a fix that lasts and a callback in October.
Our Main Pasadena Services
Most Pasadena calls fall into two categories: a business that needs working locks and controlled access, or a home that needs someone who understands old doors and will leave the floors and entryway exactly as they found them. Here’s what each service covers in Pasadena.
Commercial Locksmith in Pasadena
Pasadena businesses run the range from storefronts on Colorado Boulevard to office suites near Old Town and warehouses along the 210 corridor. Many older commercial buildings still use master-keyed pin-tumbler or skeleton-key systems that standard locksmiths won’t touch. High-security deadbolts and restricted keyways from Medeco, Abloy, or Mul-T-Lock require authorized installation to keep their warranty and key-control integrity. We survey the site, price each lock in writing, and schedule the work so it doesn’t interrupt your business hours. Commercial Locksmith in Pasadena

Residential Locksmith in Pasadena
Pasadena homeowners call us for lockouts, rekeys after a move, and deadbolt upgrades. Many homes have original wood doors with mortise pockets that require custom fitting rather than a quick bore. We carry Schlage, Kwikset, Yale, and Baldwin hardware, plus period-compatible mortise replacements when historic guidelines apply. Our technicians arrive background-checked and in uniform, put down shoe covers and drop cloths before touching a door, and send a photo of the clean-up before leaving. Residential Locksmith in Pasadena

Access Control Systems in Pasadena
For Pasadena businesses that need more than keys, access control systems offer keycards, fobs, or mobile credentials with per-user permissions and an audit trail. Courtyard apartment buildings from the 1920s and 1940s are common here, and owners often want to replace aging skeleton-key master systems with something that doesn’t require rekeying the whole building when a tenant leaves. We scope the job, specify the equipment in writing, and install it to protect the entry points that matter most to you, whether that’s the front gate, the side door, or the server room. Access Control Systems in Pasadena

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 Pasadena
We install and service hardware from Schlage, Kwikset, Medeco, and Yale, covering everything from standard residential deadbolts to certified high-security cylinders. Our trucks carry common parts for same-day fixes, and we order specialty hardware same- or next-day from local suppliers. See our brands for the full list.
Pricing for Locksmith in Pasadena, CA
Here’s what typical jobs cost in Pasadena. The price we quote on the phone is the price on the invoice, and there is no call-out surcharge added on arrival.
| Service | Typical range in Pasadena |
|---|---|
| Residential lockout | $95-$160 |
| Commercial lockout | $125-$185 |
| Rekey a home (3 locks) | $85-$145 |
| Rekey a commercial property (5-10 doors) | $225-$475 |
| Deadbolt replacement (standard Schlage or Kwikset) | $95-$180 per lock |
| High-security deadbolt (Medeco or Mul-T-Lock) | $180-$340 per lock |
| Mortise lock rebuild (pre-war homes) | $195-$375 per lock |
| Master key system setup | $350-$850 |
| Access control system (1 door) | $750-$1,800 |
| Panic bar installation | $375-$650 per door |
| Mailbox or cabinet lock replacement | $45-$90 per lock |
| File cabinet or desk lock replacement | $35-$75 per lock |
Prices in Pasadena run a little higher than neighboring cities when the job involves pre-war mortise hardware or historic-district sourcing. You’ll know the full price before we dispatch anyone, and that’s what you’ll pay when the work is done.
Neighborhoods We Serve in Pasadena
We cover all of Pasadena, from the historic bungalow blocks to the newer developments near the 210. Typical response time is 30-45 minutes for urgent lockouts.
- Bungalow Heaven
- Old Town Pasadena
- Madison Heights
- Linda Vista
- Arlington Gardens
Service Area – Cities Near Pasadena
If you’re just outside Pasadena, we also serve the surrounding cities, including San Marino, CA, South Pasadena, CA, Altadena, CA, and San Gabriel, CA. Scheduling is coordinated from our Los Angeles office, but crews serve Pasadena locally.
Serving Pasadena, CA - Our Local Coverage Area
We’re based in the Pasadena 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 Pasadena
Most Pasadena lockouts get a technician on site in 30-45 minutes. We answer live 24/7, so if you call at 2 a.m. from Bungalow Heaven or Old Town, you’ll speak to a person who can dispatch someone right away. Call (818) 390-9007 for an exact ETA.
For most homes, no permit is required for a rekey or deadbolt replacement. In designated historic districts like Bungalow Heaven, visible exterior hardware changes may need review under preservation guidelines, and we can source period-compatible options that keep you compliant.
We cover all of Pasadena, from Linda Vista to Madison Heights and everything in between, plus nearby cities like San Marino and South Pasadena. If you’re not sure whether you’re in our service area, call and ask, we’ll tell you straight.
Most residential jobs in Pasadena run between $95 and $375, depending on the lock type and whether it’s a standard rekey or a pre-war mortise rebuild. We give you a written price on the phone before dispatch, and that’s the final number on your invoice. Call (818) 390-9007 for a free estimate.
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 Pasadena Customers Say
"Good rekey work and very respectful of the home. It took a day longer to schedule than I'd hoped, but once here he was careful, clean, and patient with my questions."
- Pauline Esparza"Installed a keypad on our office door. Tidy install, explained it to the staff gently and clearly, and he swept up after drilling. No mess on the carpet."
- Desmond Yoo"New deadbolts and smart locks on our rental. He was considerate of the tenant's things, quiet, and left no mess. Walked us both through the codes kindly."
- Trevor Nakamura






