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.
Gate Company in Key Biscayne, FL
Gate work in Key Biscayne is different from the mainland, and it comes down to two realities: salt air and hurricane code. Every metal gate on this barrier island sits between Biscayne Bay and the Atlantic, so motors, hinges, and control boards corrode faster here than almost anywhere else in South Florida. On top of that, Miami-Dade’s High Velocity Hurricane Zone rules mean a gate post that’s fine in Coral Gables may not be legal or safe in Key Biscayne. We work on older mid-century steel gates and newer automated systems alike, and we quote every job in writing before any work starts. Call (940) 412-7340 for a free estimate.
Why Key Biscayne Homes Are Different
Key Biscayne is a true barrier island completely surrounded by water, and that single fact changes how gates age here. Salt air arrives from two directions at once: off Biscayne Bay to the west and off the open Atlantic to the east. A motor that might last eight years in a dry inland neighborhood can show oxidation on terminals and rust on the arm in as little as two to four years here without marine-grade protection. Ground-level operators and wiring conduits face another threat: storm surge. The island’s low elevation means a hurricane season that throws water over the road can submerge actuators and control boards that were installed too close to grade.
The housing stock adds another layer. Key Biscayne’s residential streets mix 1950s through 1970s ranch-style estates and mid-century builds, many with original gate posts that have never been replaced, alongside newer waterfront compounds and oceanfront condo towers with automated entry systems. On those older properties, we regularly see steel and wrought-iron posts with severe base corrosion right where the metal meets the ground, the result of decades of salt air plus periodic surge moisture. The repair often starts below the surface, not at the visible hinge.
Our Main Key Biscayne Services
Most calls we take from Key Biscayne homeowners fall into three areas: repairing an existing gate that has stopped working, installing a new gate or replacing an old one, and diagnosing electric or automated systems. Each has its own page with local pricing and specifics.
Gate Repair in Key Biscayne
A Key Biscayne gate repair is rarely a simple hinge swap. Salt air works its way into rollers, brackets, and post bases long before the gate visibly sags. We start by checking the post condition at ground level, because on a mid-century property that is usually where the failure begins. This page covers the full range of repairs, from re-hanging a driveway gate to replacing corroded steel posts, with real dollar ranges for each job. See Gate Repair in Key Biscayne for pricing and what a typical repair includes.

Gate Installation in Key Biscayne
Installing a gate on Key Biscayne is a different job than installing one ten miles inland. Miami-Dade’s High Velocity Hurricane Zone designation means posts, hardware, and the gate itself must meet strict wind-load requirements. We build for that standard from the first measurement. The page covers single and double driveway gates, pedestrian gates, and replacements for older ranch-era gates that were never built to current code. See Gate Installation in Key Biscayne for full details.

Electric Gate Repair in Key Biscayne
Electric gate problems on the island often trace back to salt intrusion in the control board or corrosion on the actuator arm, the motorized mechanism that pushes the gate open. A system that shorts after a storm surge event may need more than a new board; the wiring conduit and ground connections often need attention too. We service LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule operators. See Electric Gate Repair in Key Biscayne for symptoms and pricing.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Key Biscayne
We carry parts for the operators most common on the island, including Linear, Viking, Ghost Controls, and DoorKing. Because salt air is so unforgiving here, we keep replacement boards and actuators stocked locally rather than waiting on a mainland shipment. That means a faster turnaround for most our brands repairs.
Pricing for Gate Company in Key Biscayne, FL
| Service | Typical range in Key Biscayne |
|---|---|
| Gate operator (motor) replacement | $850-$1,900 parts and labor |
| Control board replacement | $325-$675 parts and labor |
| Hinge replacement (heavy steel gate) | $220-$480 per pair, installed |
| Welded gate frame repair | $180-$450 per section |
| Track and roller replacement | $310-$620 parts and labor |
| Full gate installation (single swing) | $2,100-$4,800 including posts and hardware |
| Safety sensor adjustment or replacement | $115-$245 parts and labor |
| Remote/keypad reprogramming | $90-$165 |
| Service call and diagnostic | $85-$140, waived with repair |
What pushes a Key Biscayne job toward the upper end of those ranges is usually the condition of the posts and the need for marine-grade hardware. A mid-century post that has been eating salt for fifty years often needs replacement, not a weld. Whatever the number ends up being, you get it in writing before a single bolt is turned, and that written price is what you pay.
Neighborhoods We Serve in Key Biscayne
We work across the entire island, from the older ranch neighborhoods near Crandon Boulevard to the waterfront compounds and condo buildings along the ocean side. Most areas on the island are within a short drive of each other, so response time is generally quicker than it would be for a job spanning a mainland metro area.
- The Village of Key Biscayne
- Crandon Park area
- Harbor Point
- Cape Florida district
- Ocean Club and the eastern condo corridor
Service Area – Cities Near Key Biscayne
Portcullis Gate Repair serves Key Biscayne and the surrounding South Florida communities. If you’re across the Rickenbacker Causeway, you can also find us in Miami Beach, FL, Miami, FL, Coral Gables, FL, and Hialeah, FL. Dispatch and scheduling are coordinated from our Miami area office, and crews serve Key Biscayne locally.
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 Gate Company in Key Biscayne
Call (940) 412-7340 and a live person answers, day or night. For an emergency call on the island, we aim to have a technician on the road the same day. The Rickenbacker Causeway is the only way on, so we factor traffic into our arrival window and give you a real time, not a vague promise.
Yes. Miami-Dade’s High Velocity Hurricane Zone code applies to every gate on the island. That means heavier posts, stronger hinges, and wind-rated hardware that a standard gate may not include. We build and repair to that standard on every job, not just when an inspector is watching.
Always. That is the Kingswell Way: the price is written down, agreed to, and signed before any work begins. If something changes during the repair, we stop and get your approval first. The 365-Day Done Right Promise means if the repair fails inside a year, we come back and fix it at no charge.
What happens when you call
- 1A real person answersNo phone trees - talk to a local gate repair pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Key Biscayne Customers Say
"Good repair on a sagging gate and a new hinge welded on. Took them a couple days to get the part in, but they told me that up front and it's been solid since."
- Hector Villanueva"The opener gave out and we were manually pushing the gate for a week. Portcullis got us in quick, swapped the opener, and set up the remotes for both our cars. Great to have it working again."
- Priscilla Nava"Our driveway gate stopped halfway and wouldn't close, which is a problem when it's the only thing between the street and the yard. They came out same day, replaced the motor, and it's smooth again."
- Leonard Pace





Before
After
Before
After
Before
After