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 North Miami, FL
A locksmith in North Miami handles a different set of jobs than one working ten minutes south in the Design District or across the water in Miami Beach. Here, the work is shaped by concrete block buildings from the 1950s through 1970s, salt-heavy air off Biscayne Bay, and a rental market that turns over constantly. Whether it’s a rekey between tenants on NW 7th Avenue or a corroded deadbolt on Biscayne Boulevard, the hardware is usually older, often mismatched, and the fix needs to hold up to humidity that eats pin tumblers for breakfast. Call us at (818) 390-9007 and we’ll tell you exactly what the job costs before anyone gets in a truck.
Why North Miami Homes Are Different
North Miami’s rental stock is dominated by low-rise apartment buildings put up between the 1950s and 1970s, and a lot of them still carry the original door preps. That means worn strike plates, non-standard backsets, and hollow-core doors with shallow frames that were never designed to hold a modern deadbolt. A standard Kwikset or Schlage retrofit often turns into a custom strike reinforcement job because the frame simply won’t accept the hardware without some attention first.
The second thing every North Miami locksmith learns quickly is what the salt air does to locks. Buildings near Biscayne Bay, especially along the eastern edge of the city, see accelerated corrosion on exterior locks, gate padlocks, and mailbox hardware. Seized or sticky cylinders on hardware that’s only a few years old are routine calls here in a way they aren’t inland. And hurricane season brings a predictable surge in deadbolt installation and door-frame reinforcement requests, particularly on older CBS buildings whose original hardware predates modern impact-rated standards.
There’s also a pattern specific to North Miami’s apartment corridors that you won’t find in single-family suburbs. Successive tenants often add unauthorized secondary deadbolts or surface-mounted rim locks, a security layering habit common in the Haitian diaspora community. Landlords end up with non-standard, multi-lock door preps that need to be stripped back to a single keyed system before a compliant rekey is even possible. We’ve seen doors with three different keyways on one frame. That kind of job takes care, not speed.
Our technicians respect the C.A.R.E. values on every visit: we Clean up like it’s our own home, Ask before we move or touch anything, Respect the family’s time and quiet hours, and Explain the price before the work. If a tenant has a baby napping or a dog that barks at strangers, we work around it quietly.
Our Main North Miami Services
Most calls we get in North Miami fall into two camps: landlords who need a unit rekeyed between tenants, and building owners who need their front entry secured without turning every door into a key-management headache. Here’s how each plays out in this city. For the full picture on any of these, see our main home page.
Commercial Locksmith in North Miami
North Miami’s commercial work is anchored by the rental corridors along NW 7th Avenue and Biscayne Boulevard, where aging 2-3 story apartment buildings and small storefronts need constant attention. We handle master key systems for landlords who manage multiple units, high-security cylinder upgrades on common doors, and storefront lock repair on old aluminum frames. The salt air means commercial hardware here needs corrosion-resistant finishes more than it does inland. See our Commercial Locksmith in North Miami page for the full service breakdown and pricing.

Residential Locksmith in North Miami
Renters overwhelmingly outnumber owners in North Miami, which means residential calls tend to be rekeys between tenants, lockout response, and deadbolt upgrades on CBS homes and apartment units built before modern hardware standards existed. We work carefully around hollow-core doors and shallow frames that older buildings are known for, and we keep pet-safe lubricants on hand because we know a unit often has a dog or two behind the door. See our Residential Locksmith in North Miami page for details on rekeying, deadbolt installation, and lockout response.

Access Control Systems in North Miami
For North Miami landlords tired of cutting new keys every time a tenant leaves, an access control system on the building entry solves the churn problem permanently. We install keypad and card-based systems on apartment building entries along Biscayne Boulevard and the surrounding blocks. Because the building stock is older, we survey the door and frame before recommending hardware, and we quote a flat per-lock price in writing before any work starts. See our Access Control Systems in North Miami page for the full scope.

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 North Miami
We carry and service Schlage and Kwikset hardware for most residential jobs, and we stock Medeco and Abloy cylinders for landlords who want high-security upgrades on their North Miami rental buildings. Parts are stocked in our Miami office, so most jobs don’t wait on a distributor. See our brands for the full range.
Pricing for Locksmith in North Miami, FL
| Service | Typical range in North Miami |
|---|---|
| Rekey a single cylinder (tenant turnover) | $65-$95 |
| Rekey multiple cylinders (same keyway) | $18-$30 per cylinder |
| Deadbolt installation (standard replacement) | $85-$160 |
| Strike plate reinforcement (older CBS frames) | $40-$75 |
| High-security cylinder upgrade (Medeco or Abloy) | $150-$320 per cylinder |
| Lockout response (residential) | $75-$145 |
| Storefront lock repair (commercial) | $120-$280 |
| Master key system setup (per building) | $450-$1,200 |
| Access control entry install (keypad, single door) | $650-$1,800 |
| Corroded lock repair (salt-air seizure) | $60-$110 |
What pushes a price up in North Miami is usually the building’s age: a door with layered tenant-added locks takes longer to strip back than a clean single-prep door, and a hollow-core frame almost always needs strike reinforcement before a new deadbolt will actually hold. That’s why we give you a written price before any work starts, and that price is the price on the invoice. No surprise line items, no arrival surcharge.
Neighborhoods We Serve in North Miami
We work across all of North Miami, and we know the difference between a 1950s CBS house on Keystone Point and a 1970s apartment corridor off NW 7th Avenue. Our average response in the area is under 45 minutes for most calls.
- Keystone Point
- Arch Creek
- North Miami Beach area (east of Biscayne Boulevard)
- San Souci
- Biscayne Gardens area
Service Area – Cities Near North Miami
Blackthorn Locksmith & Security dispatches crews to North Miami every day, and we also cover the surrounding cities. If your property is nearby, we’ll route a technician from our Miami office and have someone on the ground quickly. See our pages for Miami, FL, Hialeah, FL, Miami Gardens, FL, and Homestead, FL.
Serving North Miami, FL - Our Local Coverage Area
We’re based in the North Miami 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 North Miami
We typically arrive within 45 minutes for most North Miami calls, including the rental corridors along NW 7th Avenue and Biscayne Boulevard. A live person answers the phone 24/7, so you’ll get a real ETA, not a callback queue. Call (818) 390-9007 for a same-day time window.
For basic rekeys, deadbolt swaps, and lockout response, no permit is required. Some commercial landlords in North Miami do require written documentation of a rekey between tenants for their own records, and we provide that on request. If an access control system involves electrical work on a shared building panel, the building owner handles any permitting requirements.
Yes. We give you a written price for your specific lock and door before any work starts, and that’s the price on the invoice. If the tech finds hidden damage once the lock comes off, we stop, explain what changed, and you approve the adjustment before we continue. No one in North Miami should accept a verbal range and then get surprised later. Call (818) 390-9007 for an exact quote before we dispatch.
Shane Delaney and the Blackthorn team keep it simple: the lock gets fixed, the home gets left cleaner than we found it, and the price never moves after it’s written. Blackthorn hedges were planted around homes for protection, and a well-chosen lock does the same job here in North Miami. Call (818) 390-9007 and talk to a live person who can give you a real number for your door today.
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 North Miami Customers Say
"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"Rekeyed the house and added a deadbolt the first week we moved in. He wore shoe covers, swept the shavings off the floor, and was kind and patient. Felt safe right away."
- Marisol Quint"Rekeyed the whole house after we moved in. He was calm and careful, wore shoe covers without me asking, and cleaned up the little metal shavings from each door. Felt safe that first night."
- Harriet Boyle






