Wrought iron
Farm & ranch
LiftMaster operatorsFree on-site gate assessment - hinges, posts, and your LiftMaster or Nice gate operator checked before anything is quoted
The assessment is free and the quote is the invoice.
Get your free estimateFast, Reliable Electric Gate Repair Across Key Biscayne
Electric gate repair in Key Biscayne typically runs $220 – $480 for most opener and motor failures, and Calder Gate Repair Miami gets a uniformed, background-checked technician to your driveway with a live, trackable arrival time, not a vague four-hour window. If your gate is stuck half-open on Crandon Boulevard or the keypad at your Harbor Point condo won’t respond, call (850) 821-3781 and a real person answers, 24/7. We know Key Biscayne’s gates fail differently than mainland gates because we work on them every week.

This page maps Key Biscayne’s salt-air and hurricane-driven gate failures: corroded loop detectors, seized hinge posts, wind-rated operator replacements, so you get fixes that last beyond the next storm season. No other Key Biscayne gate repair page will tell you what actually breaks on this island and why. We will.
Why Calder Gate Repair Miami Is Key Biscayne’s Preferred Electric Gate Repair Company
Calder Gate Repair is the dedicated gate repair specialist inside the Relay Home Co. family, which has been operating since 2009, and each location is independently owned and operated under The Relay Visibility Guarantee. Led by Nico Alvarez, our Key Biscayne crews are factory-familiar with nine major opener brands, including DoorKing, Elite, Ghost Controls, and Mighty Mule. The Relay Standard means you’ll know exactly who is coming, when they’ll arrive, and what the job costs, before a single bolt is turned.
Key Biscayne customers call us because we answer the phone. Not a voicemail. Not a chatbot. A live person who can book, update, or troubleshoot on the spot, any hour of any day. We work on gates up and down Crandon Boulevard, inside the gated communities off Ocean Drive, and at condominium complexes near Bill Baggs Cape Florida State Park. We understand what salt air does to a swing gate hinge post because we’ve replaced seized bearings there more times than we can count.
Every repair carries three non-negotiable guarantees: a written price before any work starts, a written guarantee on every repair under the 365-Day Done Right Promise, and a free second visit if the repair fails within that window. That guarantee isn’t a marketing line. It’s stated in writing on every job we do in Key Biscayne.
Styles & brands we work with



Electric Gate Motor in Key Biscayne
An electric gate motor in Key Biscayne is the workhorse that swings or slides a gate open and closed, and in this salt-soaked environment, those motors fail faster than they would in Miami Beach. A typical electric gate motor repair in Key Biscayne runs $280 – $520 depending on the brand and whether the motor needs rebuilding or full replacement. Most jobs can be scheduled within one to two business days, and you receive a written price before we start anything.
On Key Biscayne, we see motor failures in three specific patterns. First, salt-air corrosion on gate hinge posts and slide gate tracks causes binding, which makes the motor work harder until it overheats and trips its thermal overload. Second, power surges from summer thunderstorms fry the capacitor and control board on older electromechanical operators. Third, original hydraulic gate operators in 1980s and 1990s condominium complexes simply reach the end of their service life and start leaking or losing pressure.
When a Key Biscayne Homeowner Needs the Motor Replaced
If your gate groans in reverse instead of opening, or if it moves a foot and stops, the motor is likely done. On heavy slide gates, like the custom iron gates at newer single-family homes off Fernwood Road, a replacement motor should be matched to the gate’s weight and wind-load rating. We’ll spec the right operator for the job, often a marine-grade or sealed unit, and install it so it runs quietly for years.
What the Motor Repair Includes
We replace the motor or the operator, reset the open and close limits, recalibrate force settings, and test the safety features. If your existing remote controls and keypads are compatible, we keep them paired and working. If the loop detector on the driveway is also failed, we address it at the same visit rather than scheduling a second trip across the Rickenbacker Causeway.
Gate Access Control in Key Biscayne
Gate access control in Key Biscayne is the system that decides who gets in, whether that’s a keypad entry at a condominium on Crandon Boulevard, a fob reader at a private residence, or a phone-based app linked to a modern control board. Access control repair in Key Biscayne generally runs $180 – $380 for keypad or receiver issues, and $350 – $750 when the control board itself needs replacement. Most access control repairs can be completed the same visit, and the written quote covers every component before we open the panel.
Key Biscayne properties use a mix of access control technologies that mainland homes rarely combine. A single oceanfront condominium complex may have a keypad at the resident entrance, a fob reader at the service gate, and a telephone-entry system at the front gate, all wired to the same DoorKing or Elite control board. When one element fails, the whole system can lock everyone out. We test every input and output before replacing anything, so you don’t pay for a control board when the problem was a corroded keypad wire.

Keypad and Remote Repair
Key Biscayne’s salt air is brutal on keypad electronics. Buttons stop registering, the housing fills with moisture, and the ribbon cable inside corrodes. We service keypad repairs on all major brands and can supply sealed, weather-resistant replacements that hold up better on a barrier island.
Integrating With Intercom and Camera Systems
Many Key Biscayne homes pair their gate with a video intercom or camera entry system. If you need a repair that keeps your existing intercom working, our technicians test the relay wiring between the gate operator and the intercom before swapping parts. We don’t just fix the gate and leave you with a silent intercom.
Trusted Brands We Service in Key Biscayne
Calder Gate Repair technicians are trained on nine leading gate opener brands, and on Key Biscayne, we most often work on DoorKing, Elite, Ghost Controls, and Mighty Mule equipment. DoorKing operators dominate the condominium and access control side of the island, Elite shows up frequently on newer high-end residential gates, and Mighty Mule is a common choice on mid-range driveway gates in single-family neighborhoods. We carry common service parts in our vehicles for Key Biscayne calls, so a keypad swap or capacitor replacement usually happens in the first visit rather than after a week-long part order.
Common Electric Gate Repair Problems We See in Key Biscayne Homes
- Salt-air corrosion on hinge posts and slide tracks: The Atlantic air and Biscayne Bay spray coat exposed metal in a fine salt haze. Swing gate hinge posts seize, slide gate rollers bind, and the motor overloads trying to move the extra resistance.
- Loop detectors failing after heavy rain: Key Biscayne’s barrier-island location means buried driveway loop detectors corrode from saltwater intrusion, a failure mode virtually unknown in mainland Miami. The gate stops sensing cars and either won’t open or won’t close.
- Storm surge and power surge damage to control boards: Summer thunderstorms roll across the island and the power flickers. Older electromechanical operators fry their control boards and safety photocells, leaving the gate dead after the storm passes.
- Wind-rated gate failures after hurricane season: Many Key Biscayne communities require gates that meet specific wind-load standards. Older gates that were never upgraded to modern standards fail inspections and need operators replaced with wind-rated, reinforced models.
See the difference
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AfterPricing for Electric Gate Repair in Key Biscayne, FL
So you know what to expect before you call: a basic keypad or safety sensor repair in Key Biscayne runs $150 – $260. A typical gate opener or motor repair runs $280 – $520, before any parts. Control board replacement lands between $350 – $750 depending on the brand, and a full operator replacement on a heavy slide or swing gate can run $900 – $1,600. Every price is quoted in writing and agreed to before any work starts, and the number on the invoice is the number we agreed to at the door. Call (850) 821-3781 for a free estimate, and we’ll give you a real number for your specific gate.
We Also Serve Cities Near Key Biscayne
Our electric gate repair team covers Key Biscayne, Miami Beach, and Miami, coordinating dispatch from our metro South FL office and sending uniformed crews directly to you. If you’re researching Electric Gate Repair nearby or need dependable Electric Gate Repair in Key Biscayne, we’ll get to your gate quickly.
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 Electric Gate Repair in Key Biscayne
Because the buried loop detector under your driveway is corroding from saltwater intrusion, a problem that’s common on Key Biscayne and almost unheard of a few miles inland in Miami. The loop is a buried wire that senses the metal of your car, and when saltwater gets into the splice points, the detector shorts and the gate stays open or closed. We replace the failed loop with sealed, marine-grade sensors that keep working through tropical downpours. Call (850) 821-3781 and we’ll diagnose it on the first visit.
Yes. Key Biscayne has a large stock of 1960s through 1990s waterfront homes with custom ornamental gates, and we work on them regularly. The common failure is seized hinge post bearings from decades of salt air, which puts extra strain on the operator. We free or replace the bearings, service the motor, and set the gate running smoothly without damaging the original ironwork.
We rebuild the roller assembly, replace worn track sections, reset the rack and pinion alignment, and recalibrate the operator’s force settings. Most heavy slide gates that grind or shudder have a combination of rusty rollers and an overloaded motor. After we’re done, the gate should glide, not grind. If it doesn’t, the 365-Day Done Right Promise brings us back at no charge.
Yes. We test the relay wiring between the gate operator and your intercom or camera system before replacing any parts, and we keep your existing access devices paired wherever possible. If the intercom was damaged by the same salt air that killed the gate, we can supply compatible replacements and make the whole system work as one.
Yes. Many Key Biscayne condominium complexes still run original hydraulic operators from the 1980s and 1990s that no longer meet current wind-load standards. We replace them with modern, wind-rated electromechanical operators sized for the gate’s exact weight and sweep, and we handle the safety sensor and loop detector upgrades at the same time. The written quote covers the complete scope before we start.
Call Calder Gate Repair Miami for Electric Gate Repair in Key Biscayne
If your gate is grinding, stuck, or silent after the last storm, call Calder Gate Repair Miami at (850) 821-3781 for a free estimate. A live person answers around the clock, and we’ll give you a real arrival window you can track, a written price before any work starts, and the 365-Day Done Right Promise on every repair. Led by Nico Alvarez, our Key Biscayne technicians know this island’s gates, the salt air, the wind-load requirements, and the brands your property runs. Call now and get your gate moving again.
Written by Nico Alvarez, Owner at Calder Gate Repair Miami, serving Key Biscayne and the surrounding South FL area.