Free 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.
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AfterFast, Reliable Gate Motor & Opener Across Key Biscayne
Gate motor and opener repair in Key Biscayne usually runs between $220 and $680 depending on whether we’re replacing a control board, a swing-arm actuator, or an entire underground linear operator. Most jobs are finished the same day we arrive. If your gate won’t open, hums without moving, or reversed direction on its own, call (877) 610-2993 and a live person answers, 24/7.
We know the island. The salt, the humidity, the flooded junction boxes under Crandon Boulevard driveways. Hal Gatewood and his crew have been fixing gates here long enough to know what survives on a barrier island and what does not. That local knowledge matters more than any brochure ever will.
When you call, you get Hal or someone from his crew, not a call center. You’ll get a straight answer, a real appointment window, and a written price before any work starts.
Why Gatewood Fence & Gate Is Key Biscayne’s Preferred Gate Motor & Opener Company
Gatewood Fence & Gate is locally owned and owner-operated, with Hal Gatewood’s name on the shop and on every invoice we hand you. We have a published address and a license number anyone can look up. We have been at this since 2001. On this island, where a salt-corroded gate motor can strand you outside your own driveway during hurricane season, that accountability is the whole ballgame.
We answer our own phone. Not a voicemail tree, not a chatbot. Around the clock. When a slide gate fails at a Crandon Boulevard estate at 11 p.m., the person who picks up is someone who can actually send help to Key Biscayne, not a dispatcher three states away reading a script.
Every job carries our 90-Day Done Right Promise, stamped in writing. If it is not done right, one call brings Hal back. No runaround. No hedge language. That promise means more on a barrier island because the salt air punishes sloppy work fast. We fix it right the first time or we fix it again for free.
Our Gate Motor & Opener team services nine major brands: LiftMaster, FAAC, BFT, Linear, Viking, DoorKing, Ghost Controls, Elite, and Mighty Mule. We carry common parts in the truck, so Key Biscayne homeowners are not waiting a week on a control board from a warehouse in Ohio.
Our Gate Motor & Opener Services in Key Biscayne
Motor Installation
A new gate motor in Key Biscayne is not a drop-in job. Between the salt air and the storm-driven water that sits in fill soil under the island, installation here means sealing conduits, waterproofing junction boxes, and choosing enclosures rated for marine exposure. We install operators on swing gates, slide gates, and the heavy ornamental iron gates common on the island’s estates. Every installation includes a written price, quoted and agreed before we start, and the 90-Day Done Right Promise after we finish.
Motor Repair
The most common repair we do in Key Biscayne is a control board that keeps burning out. Nine times out of ten, the board is not the root problem. It is flooded underground wiring, or a corroded terminal block inside an enclosure that was never sealed for salt air. We trace the failure, fix what actually caused it, and then replace the board once, not three times. A gate sagging at the hinge post or binding mid-cycle will also kill a motor fast, and we address that at the motor repair visit, not a separate trip.
Linear Motor
Underground linear operators are popular on Key Biscayne estates because they hide inside the gate post and keep the driveway line clean. They also sit right at the water table on this island, which means the underground conduit and junction box are the weak point. We install, repair, and replace linear motors with an eye toward keeping water out. If your underground operator has been cycling sluggishly or tripping the breaker, call (877) 610-2993 before the salt water finishes the job for you.
Slide Motor
Slide gates are everywhere on Key Biscayne, especially at the larger waterfront properties and condo access points along Crandon Boulevard. The rack-and-pinion drives on these gates suffer in salt air. Teeth corrode, drive gears wear unevenly, and the motor strains until it burns out. We stock marine-grade replacement racks and pinion drives for the brands we service, and we can usually rebuild a slide operator on site without hauling the gate anywhere.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Key Biscayne
We are certified to service LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule. On the island, we see a lot of Linear underground operators, Viking slide operators, and DoorKing swing units at condominium entries. We stock the common parts for those brands in our South Florida service vehicles, which means a Key Biscayne repair often goes from diagnosis to done in one visit. If you already have a written estimate from another company, bring it to us. We will give you a free second opinion, and if the gate needs less than they quoted, we will tell you plainly.
Common Gate Motor & Opener Problems We See in Key Biscayne Homes
- Control board burnout after rain. Salt water seeps into unsealed junction boxes and follows the conduit right up to the operator. The board fries. Replacing the board without sealing the box means you’ll replace it again. We see this constantly on estates near the bay side of the island.
- Corroded hinge posts on 1970s and 1980s ornamental iron gates. Those heavy, beautiful gates were built before marine-grade coatings were standard here. Weld points pit, hinge brackets crack, and the motor works harder every cycle until something gives.
- Slide gate drive gears wearing unevenly. Salt spray accelerates corrosion on rack-and-pinion drives. The gate starts to chatter, then binds, then stalls. Grinding noise is the first warning sign, and it’s one you should not ignore.
- Underground linear operators shorting after storm surge. On a barrier island, the water table is high and salt-laden. Underground junction boxes flood, terminals corrode, and the operator dies. Off-island installers routinely skip the waterproofing step that prevents this. We don’t.
Pricing for Gate Motor & Opener in Key Biscayne, FL
Gate motor repair in Key Biscayne typically runs $220-$480 for board replacement, limit switch adjustment, or drive gear service. A full slide motor replacement on a heavy estate gate runs $550-$1,100 depending on the brand and whether we are also replacing the rack. An underground linear motor replacement is usually $680-$1,300 because of the excavation and waterproofing work involved. New gate motor installation on the island starts around $850 for a standard swing operator and goes up from there based on gate weight and access control integration.
We quote the full price before any work starts. You approve it in writing first. There is no trip charge inside Miami-Dade for Key Biscayne, and we take $40 off any repair over $200. Seniors and veterans get a permanent 10% discount on everything we do.
We Also Serve Cities Near Key Biscayne
Our Gate Motor & Opener in Key Biscayne service area extends up and down the coast. We regularly work in Coconut Grove, Coral Gables, Miami Beach, and Miami itself. If you are off the island and your gate is down, call (877) 610-2993. Same live answer, same owner-operated accountability, same 90-Day Done Right Promise.
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 - Gate Motor & Opener in Key Biscayne
Because water is getting into the operator enclosure, usually through an underground junction box that was never sealed for salt-laden, saturated soil. The board is the symptom, not the cause. We trace the wiring, waterproof the box, seal the conduit, and then replace the board once. Call (877) 610-2993 for an inspection; the estimate is free.
Yes, and this is not an upsell. On a barrier island surrounded by Biscayne Bay and the Atlantic, standard enclosures corrode fast. Control board terminals oxidize, relays stick, and motors fail within a few years. Marine-rated components, sealed enclosures, and waterproofed junction boxes are baseline requirements here, not extras. We quote them as standard on Key Biscayne jobs.
At least once a year, and ideally before and after hurricane season. Salt spray accelerates pitting at weld points and hinge brackets, especially on the ornamental iron gates built in the 1970s and 1980s. If the post moves, the gate sags, the motor strains, and the whole system fails early. We check hinge posts on every motor service call here.
The rack-and-pinion drive needs marine-grade coating or stainless replacement, the operator enclosure needs to be NEMA-rated for coastal exposure, and every junction box needs to be elevated and sealed. Skip those steps and the gear teeth corrode, the motor binds, and the drive fails. We do all three as standard practice.
Yes. We install battery backup systems that keep slide and swing operators cycling through power outages. For Key Biscayne, the battery must be in a waterproof enclosure and the charging circuit should be on a surge protector. A flooded battery box is a fire hazard and a dead gate after the storm. We test the whole system after every named storm passes. Call (877) 610-2993 to schedule a storm-readiness check.
If your gate motor is acting up in Key Biscayne, call (877) 610-2993. You will talk to a live person. We will give you a straight answer, a real appointment window, and a written price before the work starts. Hal Gatewood has been at this since 2001, his name is on the shop, and the shop is not far down the road.
Written by Hal Gatewood, Owner at Gatewood Fence & Gate.