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 Commercial Locksmith Across Miami
Commercial locksmith work in Miami is not the same as it is in Orlando or Tampa. Our crews work on impact-rated doors drilled for European-style multi-point cassettes, storefronts a few hundred yards from Biscayne Bay, and condo units where the HOA has already told you what hardware you may touch. If you manage a building in Brickell, Edgewater, Coral Way, or anywhere else in Miami, call us at (818) 390-9007 and you will get a live person, a straight answer, and a written price before any tool comes off the truck.
Why Blackthorn Locksmith & Security Is Miami’s Preferred Commercial Locksmith Company
We started Blackthorn in 2008, and Shane Delaney has built the company around a simple standard: do the job so cleanly that the customer cannot tell we were there, except that the lock works better than it did before. That matters in Miami, where commercial properties range from 1940s Art Deco storefronts on South Beach to glass towers in Brickell with layered access systems. Our technicians are background-checked and uniformed, and every one of them has worked on multi-point locks from Sargent and Mul-T-Lock, which is the hardware Miami-Dade’s post-Andrew building code pushed into widespread use.
Miami customers tell us two things most often. First, that another locksmith quoted a price on the phone and then added a “service call” fee on arrival. We do not do that. The price we quote is the price on the invoice, period. Second, that the last technician left metal shavings and old cylinder parts on the floor. That is why shoe covers, drop cloths, and a photo of the clean-up are part of every job, including commercial work. The blackthorn hedge was planted around homes for protection; a well-chosen lock does the same job for a business.
When you call Commercial Locksmith service at Blackthorn, you get the full Cedarwell Care Promise: a written price before work begins, clean work, and the 365-Day Done Right Promise in writing. If it is not right, we make it right.
Commercial Door Closer Repair in Miami
Commercial Door Closer Repair in Miami is one of the most common calls we take from property managers in Coral Gables and downtown, because the salt air that comes off Biscayne Bay and the Atlantic accelerates wear on the hydraulic seals and arm bushings inside every closer. A door closer that slams shut or refuses to latch is not just annoying; it is a code violation under Miami-Dade fire egress rules in many commercial buildings. The repair usually involves replacing the internal seals, re-oiling the closer body, and adjusting the sweep and latch speed so the door closes firmly without slamming. Typical cost for commercial door closer repair in Miami runs $140 to $260 per door, depending on the closer model and whether the arm assembly needs replacement.
Hydraulic Seal Replacement
When a closer leaks oil down the face of the door, the internal seals have failed. We replace the seals and refill the body with the correct viscosity oil for Miami’s heat, which matters more than people think. A closer rebuilt with the wrong oil will fail again inside twelve months.
Arm and Bracket Adjustment
Loose arms cause the door to pull sideways and wear the top pivot. We reset the arm geometry, torque the brackets, and adjust the closing force so the door meets the frame square. This is the fix most often missed by general handymen.
Commercial Lock Installation in Miami
Commercial Lock Installation in Miami typically means two very different jobs depending on the building. In older concrete block construction from the 1950s through the 1980s, we are often retrofitting an out-of-square door frame to accept a modern grade 1 deadbolt or mortise lock, which requires more than just drilling a new hole. In post-2000 construction, especially high-rise work in Brickell and Edgewater, we are installing multi-point lock cassettes on impact-rated doors, or integrating new keypad entry into an existing master key system. A standard single-point commercial deadbolt install in Miami runs $180 to $320 per opening; a full multi-point mortise cassette replacement runs $350 to $700 depending on the door rating and hardware brand.
Impact-Rated Door Retrofits
Miami-Dade code requires impact-rated exterior doors on new construction and major renovations. Those doors are factory-drilled for multi-point hardware, and installing a standard single-point deadbolt in that prep leaves the door unable to seal against wind-driven rain, which voids the impact rating. We install the hardware the door was designed for.
Storefront Lock Replacement
Aluminum storefront doors in Miami strip malls and commercial corridors take a beating from salt air and daily use. We replace worn Adams Rite style latch bodies, install new storefront deadlocks, and realign the strike so the door actually locks instead of looking locked.
Trusted Brands We Service in Miami
We carry and install hardware from Schlage, Kwikset, Medeco, and Mul-T-Lock, plus Sargent multipoint cassettes and Yale commercial closers. Because we work in Miami full-time, we stock marine-grade stainless and brass cylinders locally, so we do not have to order parts from Atlanta when your bay-facing storefront door seizes up in July. Most hardware replacement parts for Schlage and Kwikset commercial lines are on our trucks today. Medeco high-security cylinders and Mul-T-Lock restricted keyways are typically one to two business days out, and we will give you that timeline in writing before you pay for anything.
Common Commercial Locksmith Problems We See in Miami Homes
- Builder’s keys still in circulation. New construction in Edgewater and the upper east side often changes hands without the locks being rekeyed. Every subcontractor who worked the job may still have a working key. We rekey or repin on day one, and issue a key-control log so you know exactly how many keys exist.
- Double-cylinder deadbolts violating fire egress. Miami-Dade fire code prohibits double-cylinder deadbolts on unit entry doors in most multifamily buildings. We see these installed by handymen all the time, and the HOA notice usually arrives the same week. We remove and replace them with code-compliant hardware.
- Standard zinc cylinders corroding in salt air. A zinc-plated cylinder on a bay-facing door in Brickell will start pitting and seizing within one to three years. We swap in marine-grade stainless or nickel-plated cylinders that last far longer, and we stock them locally because this is a daily problem in Miami.
- Multi-point locks no one knows how to service. Miami-Dade’s post-Andrew code pushed multi-point cassettes into most new commercial and multifamily doors. Many locksmiths from outside the market have never opened one. We service Sargent and Mul-T-Lock cassettes regularly, including gearbox replacement and alignment.
Pricing for Commercial Locksmith in Miami, FL
Commercial locksmith pricing in Miami runs higher than inland Florida because the hardware is different and the code environment is stricter. A commercial door closer repair runs $140 to $260. A standard commercial deadbolt install runs $180 to $320. Rekeying a commercial cylinder runs $25 to $45 per cylinder for Schlage or Kwikset, and $60 to $110 for Medeco or Mul-T-Lock. A master key system setup on a small building starts at $450 and goes up with cylinder count. The price we quote on the phone is the price on the invoice, and we do not add a call-out fee when the tech arrives. Call (818) 390-9007 for a free, written estimate on any commercial locksmith work in Miami.
We Also Serve Cities Near Miami
Our Miami crews also cover Commercial Locksmith in Miami Beach, Coral Gables, Key Biscayne, and Hialeah for the same written-price promise and the same background-checked technicians. If your property sits within a 30 minute drive of downtown Miami, we can usually have someone to you the same day.
Serving Miami, FL - Our Local Coverage Area
We’re based in the 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 Commercial Locksmith in Miami
Yes. Every new-construction unit we touch in Edgewater, Brickell, and downtown still has the builder’s key in circulation unless someone rekeyed it after handover. Subcontractors, cleaners, delivery crews, and the builder’s own staff all had access to that key. We rekey the lock or swap the cylinder and issue a key-control log, so you know exactly how many keys exist. Call (818) 390-9007 and we will give you a written price for your specific hardware. Estimates are free.
Yes. Multi-point cassettes from Sargent and Mul-T-Lock are standard hardware in post-Andrew Miami construction, and we service them every week, including gearbox replacement, rail alignment, and cylinder exchange. We also stock the marine-grade stainless replacement cylinders that salt-exposed doors need. Call us for a flat per-lock price; we do not charge a callout fee on top of the quote.
Salt air and year-round humidity above 75% corrode standard zinc and steel cylinder internals much faster in Miami than in most U.S. markets. Bay-facing doors on Brickell Avenue or in Edgewater pit out inside one to three years. The fix is a marine-grade brass, stainless, or nickel-plated cylinder, which we stock locally and can install same-day. Call (818) 390-9007 for a quote on swapping your corroded cylinders.
Miami-Dade fire egress code prohibits double-cylinder deadbolts on unit entry doors in most multifamily buildings, and many condo boards in Brickell and Aventura have their own additional restrictions. We check both the HOA rules and the fire code before installing anything, so you do not get a violation notice the week after the job closes. Written price first, always.
Yes. We integrate keypad and fob entry into existing Schlage, Kwikset, and Medeco master key systems without removing the mechanical cylinders. The keypad talks to the same latch, and we test it against any existing fob or access control system so the two do not fight each other. Flat per-lock price, quoted in writing before we dispatch. Call (818) 390-9007.
Contact the Miami Commercial Locksmith Team at Blackthorn
If you manage a commercial property anywhere in Miami, from a Flagler Street storefront to a Brickell high-rise, call (818) 390-9007 and ask for Shane Delaney’s team. You will get a live person, a straight answer, and a written price before anyone is dispatched. No call-out fees, no bait pricing, no mess left behind. That is the Cedarwell Care Promise, and it is in writing on every job.
Written by Shane Delaney, Owner at Blackthorn Locksmith & Security, serving Miami commercial properties since the company’s founding.






