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 Surfside
Commercial locksmith work in Surfside is not a generic lock-and-key job. It’s master key system audits on Collins Avenue condos built in the 1970s, mortise lock rebuilds on ocean-facing units where brass cylinders have corroded solid from salt air, and access control retrofits for buildings pushed through Miami-Dade’s 40-year recertification after the Champlain Towers South collapse. Dunmore Locksmith handles all of it, with named, photo-badged technicians and written pricing before any work starts. Call (910) 714-4287 and you’ll get a live person, not a voicemail, any hour of the day.
We serve the whole half-square-mile town: the high-rises along Collins Avenue, the mid-rises near 95th Street, the quieter single-family blocks west of Harding Avenue. When a Surfside condo board calls about a seized mortise lock or a key control audit, we know what that building’s original hardware looked like because we’ve worked on dozens just like it.
Why Dunmore Locksmith Is Surfside’s Preferred Commercial Locksmith Company
Surfside building managers and condo boards keep calling us back for one reason: we tell the truth about what can be rekeyed and what actually needs replacing. A lot of locksmiths will rekey a 1982 mortise cylinder on an ocean-facing unit and walk away. We won’t, not when that cylinder is corroding from the inside and the door jamb has swollen from forty years of salt exposure. The repair won’t last, and we’d rather say that before the job starts than after it fails.
Every technician we send to Surfside carries a photo ID badge and arrives in a clean, marked uniform. You get their name and photo before they show up, so the person at the door is exactly who you were told to expect. That’s the Threshold Standard, and it matters in a town where residents understandably want to know who they’re letting into their building.
Response time to Surfside’s condos and homes is typically within the hour for emergencies. That’s not a guess – our dispatch coordinates from the South FL metro office, and our crews know the Collins Avenue corridor, Harding Avenue, 92nd through 96th Streets, and the residential stretch west toward the Intracoastal. We don’t need GPS to find the service entrance on a 1970s high-rise; we’ve been there before.
Perry Osgood, who leads the Dunmore Locksmith operation, has built the business around a simple premise: the price goes in writing before work begins, and every repair is covered by the 365-Day Done Right Promise. If it fails within a year, we come back at no charge. That’s a written guarantee, not a handshake.
Master Key System in Surfside
Master Key System work in Surfside usually starts with a call from a condo board or building manager who’s realized that dozens of unit doors share a keyway nobody fully documents anymore. The original brass pin-and-tumbler cylinders were installed in the 1970s and 1980s, and somewhere along the way, a handyman made copies, a tenant moved out with a key, and the “master” key that opens common doors is circulating through at least three contractors. A basic master key system audit and rekey for a small Surfside building typically runs $350 – $750. A full building-wide migration to restricted, documented keyways can run $1,200 – $4,000 depending on the number of doors and whether cylinders need replacing rather than rekeying.
Recertification-driven key control
Miami-Dade’s 40-year recertification mandate has forced Surfside buildings to document things they used to ignore. A master key system with no written hierarchy, no key issuance log, and no restricted keyway is now a compliance issue. We map every door, assign tiered keys, install restricted cylinders that can’t be duplicated at a hardware store, and hand the board a key control ledger that survives the next audit.
What gets rekeyed vs. what gets replaced
Not every cylinder in an older Surfside master key system is worth saving. Brass cylinders from the 1970s with decades of salt exposure often have worn pin chambers that will not hold tolerances on a new key. We’ll rekey what’s sound and honest about it, replace what’s not, and show you which was which before the work is scheduled.
Mortise Lock Replacement in Surfside
Mortise Lock Replacement in Surfside is one of the most common calls we field from ocean-facing condos along Collins Avenue. A mortise lock is the rectangular body mortised, or chiseled, into the edge of the door, distinct from a bored cylindrical deadbolt that fits in a round hole. In Surfside’s older buildings, these are often original to the door, and after forty-plus years of salt air and swelling wood, they fail in ways a modern drop-in lock won’t solve. A straightforward mortise lock replacement on a properly functioning door typically runs $180 – $320. Rebuilding a warped mortise pocket, shimming the strike, and fitting marine-grade hardware to a 1970s door can push that to $400 – $650.
Warped doors and salt-swollen jambs
On a mid-rise along Collins Avenue, our tech was called after an ocean-facing unit’s original mortise lock finally seized. The brass cylinder had corroded solid from salt air, and the door itself had warped enough that a drop-in modern deadbolt wouldn’t seat. We rebuilt the mortise pocket, fitted a stainless ANSI Grade 1 cylinder into the building’s existing master key system, and rekeyed two other floors’ common doors to the same restricted keyway so the association could finally put real key control in place. The board later used that same keyway across a third tower in Surfside.
Marine-grade hardware matters here
Hardware-store zinc-alloy deadbolts do not survive Surfside’s barrier-island air. They seize inside 18 to 24 months. We spec stainless steel or marine-grade finishes on every ocean-facing unit, because the honest recommendation is the one that lasts.
Trusted Brands We Service in Surfside
We install, service, and rekey Schlage, Medeco, and Yale commercial hardware every week in Surfside. That covers everything from Schlage’s ND-series commercial locksets on condo common doors to Medeco restricted keyways that can’t be duplicated without a signed authorization. We keep a stock of common Schlage and Yale cylinders, mortise bodies, and strike plates in our service vehicles, along with the tools to machine a pocket or shim a strike on a warped original door. That means a Surfside job doesn’t stall while someone waits for a part to ship from a distributor.
Common Commercial Locksmith Problems We See in Surfside Homes
- Seized mortise lock on an ocean-facing unit. Salt air penetrates the brass cylinder over years, and one day the key won’t turn at all. On a third-floor Collins Avenue unit, this isn’t a rekey – it’s a cylinder replacement and often a pocket rebuild.
- Warped original door that won’t accept a modern deadbolt. 1970s doors in mid-rise condos swell and shift over decades. A bored cylindrical lock drops into a round hole; a warped mortise door needs the existing pocket machined and the strike realigned, not a new hole drilled.
- Undocumented master key system with uncontrolled copies. The building has a “master” key, but no record of who holds it. Boards going through 40-year recertification call us to map the system and install restricted keyways with real key control.
- Shabbat-mode access control retrofits. Surfside’s synagogues and many residential buildings need keypad and smart lock systems that allow entry in Shabbat-compliant modes. We install and program these regularly, and it’s a niche we know from years of local work.
Pricing for Commercial Locksmith in Surfside, FL
Commercial lockout response in Surfside typically runs $75 – $120 during normal hours and $120 – $180 for overnight calls to condo buildings and storefronts. Rekeying a standard commercial lock runs $25 – $45 per cylinder, and a full mortise lock replacement on an older ocean-facing door, as covered above, runs $180 – $650 depending on how much rebuilding the door needs. Master key system audits start around $350 for a small building and scale with door count. Access control installs are quoted per door, typically $250 – $700 per door for keypad or fob-based entry, with the written scope and flat per-lock price delivered before scheduling.
Every quote we give in Surfside is in writing before work starts. The price we quote on the phone is the price on the invoice. No dispatch fee added at the door, no bait pricing. Call (910) 714-4287 for an exact quote – the estimate call is free.
We Also Serve Cities Near Surfside
Our Commercial Locksmith team covers Surfside and the surrounding South FL metro. We run service calls to Miami, Hialeah, Miami Gardens, and Homestead every week, so a building manager with properties across the county can work with one locksmith outfit instead of three. For the full picture of our commercial work, see our Commercial Locksmith service page. For more on our local coverage, visit Surfside.
Serving Surfside, FL - Our Local Coverage Area
We’re based in the Surfside 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 Surfside
Most 1970s Surfside buildings can rekey their existing cylinders if the pins and chambers aren’t worn beyond tolerance, but ocean-facing brass cylinders that have been corroding for four decades often can’t hold a new key reliably. Our tech will test each cylinder and tell you which ones can be rekeyed and which need replacing, in writing, before you approve anything. Call (910) 714-4287 and we’ll schedule the audit.
A rekey changes the internal pins so the old keys no longer work, but leaves the existing hardware in place. A mortise lock replacement removes the entire lock body from the door edge and installs new hardware, which matters when a 1970s door has a seized cylinder, a stripped mortise pocket, or a warped jamb that no longer aligns with the strike plate. We’ll tell you which your door actually needs. Call (910) 714-4287 for a straight answer.
Surfside sits on a narrow barrier island with salt air blowing in from the Atlantic on one side and Biscayne Bay on the other. Zinc-alloy hardware corrodes and seizes inside 18 to 24 months on ocean-facing units, while the same lock on a home west of Harding Avenue might last a decade. That’s why we spec stainless or marine-grade hardware on ocean-facing work and explain the choice before we install it.
Yes, we do this regularly for buildings along Collins Avenue and the surrounding condo corridor. We document the existing keyway, assign tiered keys, install restricted cylinders that can’t be copied at a hardware store, and hand the board a written key control log that satisfies the recertification review. The full price is quoted in writing before we start. Call (910) 714-4287 to schedule a walkthrough.
Yes. We install and program keypad and smart lock systems that support Shabbat-compliant access modes, and we’ve been doing it across Surfside’s residential buildings and synagogues long enough to know the specific settings and hardware that work. The install is quoted flat per lock, written before scheduling. Call (910) 714-4287 and we’ll walk through the options.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Surfside and the South FL metro since 2007.






