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 Key Biscayne
Commercial locksmith work on Key Biscayne is different from anywhere else in South Florida. The island’s salt air corrodes lock cylinders faster than any mainland property owner expects, and the toll-gated Rickenbacker Causeway means every dispatch is a logistics calculation, not just a drive across town. We schedule around that reality. Whether you need a commercial door lock replaced on a Crandon Boulevard storefront, a panic bar brought back to code on a condo association door, or a master key system rekeyed after a tenant change, our licensed and insured technicians reach Key Biscayne properties with the right hardware already on the truck. The phone number is (910) 714-4287, and a live person answers it every hour of the day.
Why Dunmore Locksmith Is Key Biscayne’s Preferred Commercial Locksmith Company
We have been serving customers since 2007 as part of the Threshold Group family of independent local locksmith businesses, and commercial property managers on Key Biscayne call us for one reason more than any other: we tell them exactly who is coming before the technician crosses the causeway. Every technician is background-checked, identity-verified, photo-badged, and sent to you by name and photo before the visit. When the person arrives at your storefront or association door, they show that same photo ID badge before any work begins. If anyone shows up who you were not told to expect, that visit is covered at no charge. That is the Threshold Standard, and it matters on an island where letting a stranger through a commercial door is a serious decision.
We also know this specific market. Key Biscayne sits between Biscayne Bay and the Atlantic, which means the commercial door hardware here ages differently than it does in Coral Gables or Hialeah. A standard brass pin tumbler cylinder that would last a decade in Miami might seize in eighteen months on Crandon Boulevard. Property managers who have gotten burned by mainland locksmiths quoting a rekey and then discovering a seized plug know they need someone who has seen this exact problem dozens of times. That is us.
Calls are answered by a live person 24 hours a day, seven days a week, 365 days a year. Not a voicemail tree, not a chatbot. A human who can tell you whether we can reach your Key Biscayne property this afternoon or first thing tomorrow morning. The price goes in writing before any work starts. Every single time.
Replace Commercial Door Lock in Key Biscayne
Replace Commercial Door Lock work in Key Biscayne almost always starts with an inspection of the frame, not the lock itself. Island buildings experience frame shift after storm seasons. A door that no longer latches is often a door whose jamb shifted by a few millimeters during the last tropical weather event. If we do not check the strike alignment before installing a new lock, the new hardware fails its first inspection. A typical commercial door lock replacement in Key Biscayne runs $180 to $420 depending on whether we are swapping a standard cylindrical lock or pulling a corroded mortise case out of an aluminum storefront door. The full price is quoted on the phone before anyone is dispatched, and there is no call-out surcharge added on arrival. The price on the invoice is the price you heard on the phone.
When frame shift matters
After a storm, the first thing that fails on an aluminum storefront door is the strike alignment, not the lock cylinder. We shim or reinforce the frame before installing new hardware. Skipping this step is why so many newly installed commercial locks on Key Biscayne fail their fire marshal or insurance inspection within a month.
Marine-grade options
For doors that face the Atlantic side of the island, we recommend stainless-steel cylinders and hardware rated for salt exposure. The upcharge is modest compared to replacing a brass cylinder every two years. We will show you both options and the written price for each before we start.
Panic Bar Installation in Key Biscayne
Panic Bar Installation on Key Biscayne is driven by code compliance and insurance requirements. Commercial doors serving occupied spaces in Key Biscayne must have panic hardware that releases with a single push, and the salt air attacks the internal springs and latches of these devices faster than anyone expects. A typical panic bar installation, including all hardware and labor, runs $320 to $680 depending on the door width and whether we are fitting a rim-style or vertical rod device. The written quote you get over the phone is the price on the invoice. There is no bait-pricing and no add-on fee when the technician arrives.
Storm-damaged panic hardware
When water pushes under a Crandon Boulevard storefront door, the panic bar mechanism fills with salt and grit. The exterior looks fine, but the internal latch no longer retracts fully. Building managers call us after an evacuation because the door will not secure. We remove the old device, inspect the frame and strike, and install a new ANSI Grade 1 panic bar rated for the door’s traffic level. The 365-Day Done Right Promise is written on every job: if the repair fails within a year, we return at no charge.
Fire marshal and insurance checks
We see commercial properties every season that were boarded up after a weather event and never got their frames and strikes checked. The new lock or panic bar was installed against a shifted jamb and now the door will not pass its required inspection. We fix the frame first. Then we install the hardware. The sequence matters.
After a tropical storm pushed water under the doors of a Crandon Boulevard mixed-use building, the landlord called us because the aluminum storefront door would not latch and the panic bar was dead. Our tech found the mortise lock case packed with salt and grit, the frame had shifted enough that the strike no longer aligned, and the existing lock cylinder was a corroded brass pin tumbler unit that would not turn even with the original key. We realigned and reinforced the frame, installed a new ANSI Grade 1 mortise lock with a stainless-steel cylinder, fitted a new panic bar, and rekeyed the building’s master key system so the tenant keys still worked but the lost storm-set keys no longer did.
Trusted Brands We Service in Key Biscayne
Dunmore Locksmith is factory-authorized to install and service Schlage, Medeco, and Yale hardware, from residential pin-tumbler rekeying to high-security commercial cylinders. We stock common Schlage and Yale commercial cylinders and panic bar components on our trucks, which means a Key Biscayne repair does not have to wait for a part to come from the mainland. For Medeco high-security systems, we coordinate key control documentation with property managers so every duplicated key is accounted for. This is hardware built for marine environments when specified correctly, and we will make sure the next cylinder you install on this island is rated for the salt air it will face.
Common Commercial Locksmith Problems We See in Key Biscayne Homes
- Seized cylinders in under two years. Completely surrounded by salt water, Key Biscayne sees pin tumbler cylinders seize, brass hardware oxidize green, and zinc die-cast components crack within one to two years if unmaintained. A corrosion timeline that is dramatically faster than mainland Miami.
- Master key systems too corroded to rekey. In older condo buildings near Crandon Boulevard, decades-old master-key systems have corroded to the point where plug removal is nearly impossible without drilling. Quoting a rekey price without first inspecting the cylinder condition almost always results in an underpriced job once the seized hardware is discovered.
- Doors that will not latch after storm or hurricane. Frame shift from water pressure and wind loading is the most common reason a commercial door on Key Biscayne will not secure after weather. The lock is fine; the jamb moved. We realign the frame before we touch the lock.
- Impact-rated doors with multi-point locks. Most single-family estates on the island have post-Hurricane Andrew compliant impact-rated doors using multi-point locking systems. These require specialized tools and training beyond standard locksmith work, and we carry the equipment to service them properly.
Pricing for Commercial Locksmith in Key Biscayne, FL
Here are the ranges you can expect in the Key Biscayne market. A standard commercial door lock replacement runs $180 to $420. Panic bar installation runs $320 to $680. Rekeying a standard commercial lock typically runs $25 to $45 per cylinder, but on this island we always inspect the cylinder condition before quoting a final rekey price because seized hardware is common. A master key system rekey for a small office suite runs $250 to $500 depending on cylinder count. Access control and file cabinet lock work is surveyed and scheduled, with a written scope and a flat per-lock price before we schedule the visit. Every quote is given over the phone before anyone is dispatched, and the price you hear is the price on the invoice. There is no call-out surcharge and no arrival fee depending on service type. Call (910) 714-4287 for an exact quote, and estimates are free.
We Also Serve Cities Near Key Biscayne
Our commercial locksmith coverage extends across the causeway to Key Biscayne and the surrounding South Florida market. We handle commercial door lock repair, panic bar installation, and master key system work in Miami Beach, Miami, Coral Gables, and Hialeah. For full details on the scope of our work, see our Commercial Locksmith service page.
Serving Key Biscayne, FL - Our Local Coverage Area
We’re based in the Key Biscayne 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 Key Biscayne
We dispatch from our South Florida office and our crews serve Key Biscayne locally. Response time depends on Rickenbacker Causeway traffic, not distance. After a storm, we prioritize board-up and re-secure work and get a technician across the causeway as soon as the road is open to non-emergency traffic. Call (910) 714-4287 and we will give you a realistic window, not a vague promise.
Because Key Biscayne is a barrier island completely surrounded by salt water, and the salt air here attacks brass and zinc die-cast hardware at a rate dramatically faster than even a few miles inland. If the previous cylinder was standard brass rather than stainless steel or marine-grade, seizing within one to two years is exactly what we expect to find. The fix is a cylinder rated for salt exposure, not another brass unit.
If the door will not latch, the problem is almost always the frame or the strike alignment, not the cylinder. We need to inspect the jamb before we touch the lock. In our experience on Crandon Boulevard, a quoted rekey often turns into a frame realignment and a new lock once we see what the storm did to the door. We will show you the written price for the actual scope before any work begins.
Yes. Most single-family estates on Key Biscayne have post-Hurricane Andrew impact-rated doors with multi-point locking systems. These require specialized tools and training beyond standard commercial locksmith work, and our technicians carry the equipment and hardware to service them. Call (910) 714-4287 for a written quote, and the price is the price on the invoice.
We do, but we always inspect the cylinders before quoting. In older condo buildings near Crandon Boulevard, decades-old master-key systems have corroded to the point where plug removal is nearly impossible without drilling. If the plug will not come out, the rekey becomes a drill-out and new cylinder installation, which changes the price. We give you that written price before we start, not after.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Key Biscayne since 2007.