Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Windows & Doors Services in Key Largo, FL
If you own a home in Key Largo, you already know the salt air doesn’t rest. Neither do we. TruePane Windows & Doors handles Impact Windows & Doors in Key Largo, including installation, replacement, and repair for homeowners across the island, from the canal-front subdivisions to the ocean-side streets. When you call (813) 320-9346, a live person answers, and we’ll schedule a time that works for you. We know the difference between a home on Florida Bay and a home on the Atlantic side, because we’ve worked both.
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.
Why Key Largo Homeowners Choose TruePane Windows & Doors
Most of the calls we take from Key Largo start the same way: a sliding glass door that won’t lock anymore, a window frame that’s turning to white powder, or an impact rating that came back expired during an insurance review. These aren’t cosmetic problems, and they aren’t problems you can solve with a handyman and a tube of caulk. Key Largo sits in a dual-salt environment, and the hardware that survived the first ten years rarely survives the next ten without proper attention.
We’ve worked in Ocean Isle Estates, Buccaneer Point, and along the Old Highway corridor. Homeowners in those neighborhoods tend to ask the same questions: Is the unit Miami-Dade NOA certified? Will the warranty actually hold up in salt air? Who registers the paperwork? We answer all three before the truck leaves the driveway. Dale Kessler founded TruePane with one rule: if the pane is not true, the job is not done. That rule governs every install we make in Key Largo.
Windows & Doors Services We Offer in Key Largo
Window Installation
We install new construction and retrofit windows in Key Largo homes, including stilt houses where rough openings rarely match stock dimensions. Every unit is measured twice and set true before it’s fastened.
Learn more about our Window Installation in Key Largo.

Door Installation
From front entry doors to canal-side sliders, we install doors that close square, seal tight, and carry the right impact rating for Monroe County code. We quote manufacturer lines side by side so you see exactly what you’re buying.
Learn more about our Door Installation in Key Largo.

Window Replacement
We replace corroded, fogged, and non-compliant windows with HVHZ-rated units that fit your existing openings. This is the most common call we get from older Key Largo homes with original aluminum frames.
Learn more about our Window Replacement in Key Largo.

Impact Windows & Doors
Every replacement in Key Largo must carry a Miami-Dade Notice of Acceptance. We install impact lines from manufacturers like ES Windows and ECO Window Systems, and we register both warranty layers in writing.

Energy-Efficient Windows
Energy-Efficient Windows in Key Largo matter more than most places because high humidity and year-round cooling loads make glass selection critical. We’ll show you the SHGC and U-factor numbers on paper so the efficiency claims hold up.

Sliding & Patio Doors
We replace outdated Sliding & Patio Doors - Key Largo homes often have, especially oversized aluminum sliders built in the 1960s and 1970s that become the most common failure point in canal-front properties. We replace them with modern impact-rated units that operate smoothly after years of salt exposure.

Glass Railing Systems
For decks, balconies, and raised stilt homes, we install Glass Railing Systems - Key Largo properties need, with frameless designs that hold up to both ocean and bay exposure. Marine-grade hardware is the only hardware we’ll use in Key Largo.

Custom Windows & Doors
When a rough opening isn’t stock, we order custom. This happens more in Key Largo than almost anywhere else we work, because elevated stilt construction produces non-standard opening heights.

Neighborhoods We Serve in Key Largo
We work throughout Key Largo, including these neighborhoods we’re in regularly:
- Ocean Isle Estates
- Buccaneer Point
- Stillwright Point
- Port Largo
- Old Highway corridor
Response time across the island is typically one to two business days for a written estimate. We schedule at your convenience, not ours.
Why Key Largo’s Climate & Housing Affect Windows & Doors
Key Largo is a narrow limestone island with the Atlantic on one side and Florida Bay on the other. Every home on the island gets salt exposure from two directions at once. That’s a harder environment than mainland Miami-Dade coastal properties face, and it shows in the hardware: aluminum frames oxidize faster, steel rollers rust within months, and foam weatherstripping hardens and cracks within a few years if it isn’t marine-grade. Add in average humidity above 75% year-round, and a window or door that’s not built for this environment will fail quickly.
The housing stock doesn’t help. Key Largo is dominated by concrete block and wood-frame stilt homes from the 1960s through the 1980s. Many of those canal-front homes were built with oversized aluminum sliding glass doors to capture water views. After fifty years of dual-side salt exposure, those frames are corroded to the point where the panels no longer lock or seal. Monroe County requires a full permitted replacement with a Miami-Dade NOA-certified impact unit, not a glass swap. We quote the replacement the code actually requires, because doing it wrong means doing it twice.
Pricing for Windows & Doors in Key Largo
Honest numbers, because you’re going to compare us anyway. Impact window replacement in Key Largo typically runs $900 to $2,800 per opening depending on size, manufacturer line, and whether stilt-house installation adds complexity. Door replacement runs $1,400 to $5,500, with oversized canal-front sliders at the higher end. Glass railing systems start around $180 per linear foot. We give written line-item quotes with no surprise charges, and we’ll register both manufacturer warranty layers before we leave. Call (813) 320-9346 for an exact price on your openings.
Service Area - Cities Near Key Largo
Beyond Key Largo, we serve homeowners in Tavernier, Homestead, Key Colony Beach, and Marathon. Dispatch and scheduling for Key Largo are coordinated through our Miami (South FL) office, with crews serving the island locally.
Serving Key Largo, FL - Our Local Coverage Area
We’re based in the Key Largo 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 Windows & Doors in Key Largo
Every window and door replacement in Key Largo must carry a Miami-Dade Notice of Acceptance (NOA) impact rating. The entire island falls within Florida’s High Velocity Hurricane Zone (HVHZ), so there is no non-coastal exception anywhere in Key Largo. We only install NOA-certified units, and we register the certification paperwork for you. Call (813) 320-9346 to verify your current openings.
Most Key Largo homes run $900 to $2,800 per opening for impact window replacement, depending on size, manufacturer, and whether stilt construction adds complexity. Oversized canal-front sliders run higher. Call (813) 320-9346 for a written line-item quote, no charge.
No. We quote in writing before work begins, and we don’t add line items mid-job. If we find something unexpected inside the opening, we stop and show you before anything changes. Call (813) 320-9346 and we’ll walk you through a typical quote line by line.
In Key Largo, if the frame is original aluminum from the 1960s or 1970s, Monroe County requires a full permitted replacement with a Miami-Dade NOA-certified impact unit. A glass-only swap won’t meet code and won’t pass inspection. We’ll tell you honestly whether a glass replacement is legal for your situation. Call (813) 320-9346 for an assessment.
Yes. We pull all required permits in Monroe County and schedule inspections. The paperwork is part of the job, not an extra. Call (813) 320-9346 and we’ll explain the permitting timeline for your specific property.
Contact TruePane Windows & Doors in Key Largo
If your windows or doors are showing salt damage, if a slider won’t lock, or if your insurance company flagged your impact rating, call us. We’ll answer the phone, ask the right questions, and schedule a free estimate at your Key Largo home. Call (813) 320-9346 today. A square deal, in writing, every time.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Key Largo and surrounding communities with the Keystone Standard on every job.
Six Reasons Homeowners Choose TruePane Windows & Doors
Impact systems engineered to design pressures up to +/-100, matched to your wind zone - your openings hold when the storm arrives.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Florida homeowners average around 25% savings on the windstorm portion of their policy after protecting every opening - some homes qualify for more.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.
Other TruePane Windows & Doors Services
What Neighbors Say About TruePane Windows & Doors
What happens when you call
- 1A real person answersNo phone trees - talk to a local windows & doors 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 Largo Customers Say
"French doors to the patio, custom size because this house was built in 1961 and nothing is standard. Measured twice, three weeks to fabricate like they warned, and the install day they laid runners over my floors without being asked."
- Marie S."A casement crank had stripped and the sash was swollen shut. The technician, Ray, fixed the crank on the spot and only then talked about replacement for the three windows that were genuinely done. That is why the whole street uses them now."
- Eleanor G."Eleven windows replaced in two days. The crew chief, Marcus, showed me the level on every single frame before they caulked it. My wife noticed the street noise was gone before I did."
- Ronald P.



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