Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Impact Windows & Doors Across North Key Largo
Impact windows and doors in North Key Largo run $1,100-$3,400 per opening installed, with most whole-home replacements landing between $28,000 and $75,000 depending on product line and finish requirements. That’s the honest range before anyone steps foot in your house. What makes North Key Largo different from every other Keys community is the dual approval path: Ocean Reef Club’s Architectural Review Board must sign off on style, finish, and color before Monroe County will even look at your permit application. Our Impact Windows & Doors team has walked that gauntlet dozens of times, and we know exactly which submittals clear the gate without delay. Call (754) 238-2201 for a free estimate, and we’ll start your paperwork the same week.
Why TruePane Windows & Doors Is North Key Largo’s Preferred Impact Windows & Doors Company
We’re not the cheapest bid in North Key Largo, and we don’t try to be. Homeowners here are paying close attention, and they’ve usually been burned once already, by a fogged seal or a door that binds in July or a contractor who disappeared after the check cleared. That’s the customer we write for. Dale Kessler founded TruePane in 2008 on a rule that’s still on the whiteboard: if the pane is not true, the job is not done. We’ve held to it on every Ocean Reef submittal, every elevated stilt home, every marine-grade hardware spec.
What does that mean in practice for a North Key Largo homeowner? It means our technicians register both warranty layers in writing before the truck leaves your driveway. It means you get a side-by-side quote on paper so you can see exactly what you’re buying and why. It means a Done Right Promise in writing, with no fine print that covers neither. And it means when you call (754) 238-2201, a live person answers, day or night, not a voicemail tree and not a regional call center. We’re an authorized installer for more than a dozen manufacturer lines, including PGT, CGI, so we’re not married to one product when the spec calls for another.
For more on how we serve this part of the Keys specifically, see our North Key Largo service area page.
Our Impact Windows & Doors Services in North Key Largo
Hurricane Impact Windows
North Key Largo sits in Monroe County’s high wind zone, with design wind speeds exceeding 150 mph and saltwater on both the Atlantic and Florida Bay sides. Impact-rated windows aren’t an upgrade here; they’re a legal mandate under county code. We install single-hung, casement, picture, and awning units with laminated glass and reinforced frames, specified to the finish requirements Ocean Reef or your HOA puts in writing. Every opening gets measured twice, and every quote shows the product side by side with alternatives so you can see the cost delta in black and white.

Impact Sliding Glass Doors
Sliding glass doors in North Key Largo take a beating from salt spray and constant humidity above 75%. The rollers, tracks, and locking hardware are the first things to fail, and when a 304-grade stainless lock seizes after five years, you’re not just annoyed, you’re unprotected. We spec 316 marine-grade hardware as the practical minimum for any exterior door on this island, and we register both manufacturer warranty layers in writing before we leave. A typical impact sliding glass door in North Key Largo runs $3,200-$7,800 installed, depending on width and finish.

Impact Entry & French Doors
Entry doors on elevated stilt homes in North Key Largo are exposed to salt-laden wind from multiple directions at once, and the open-air underside means the bottom of the door frame gets hit from below in a way mainland homes never see. We install impact-rated fiberglass and steel entry doors plus French door systems with marine-grade hardware, and we coordinate with Ocean Reef’s Architectural Review Board when the finish or profile needs sign-off before ordering. That step alone can save you three or four weeks of schedule slip.

Impact Garage Doors
Garage doors are the single most common failure point in a hurricane, and in North Key Largo, a non-impact-rated garage door can invalidate your wind mitigation credits and your insurance discount. We install impact-rated garage doors with reinforced tracks and bracing that meet Monroe County’s current code. The garage door is the largest single opening in most homes here, and it’s not a place to cut corners. A typical impact-rated garage door in North Key Largo runs $4,500-$11,000 installed, depending on size and construction.

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 North Key Largo
We install and service PGT, CGI, and CWS impact products, along with Andersen, Marvin, Milgard, and more than a dozen other manufacturer lines. That matters in North Key Largo because Ocean Reef’s Architectural Review Board historically accepts only white or bronze finishes, and not every manufacturer offers both in an impact-rated line. We stock replacement hardware, rollers, and lock sets for the most common products in this market, so when a 316 stainless hinge finally gives out, we’re not waiting on a freight shipment to make the repair. Call (754) 238-2201 and we’ll tell you whether your existing brand is worth servicing or replacing.
Common Impact Windows & Doors Problems We See in North Key Largo Homes
- Ocean Reef ARB rejection for off-white or non-bronze finishes. If the finish doesn’t match the ARB’s historic color restrictions, the board rejects it after install and you’re stuck reordering the entire window or door. We lock the finish submittal before ordering, so this doesn’t happen on our jobs.
- 304-grade stainless steel hardware corroding within 5-7 years. The salt spray from the Atlantic and Florida Bay sides is relentless, and standard hardware grades seize or pit quickly. We specify 316 marine-grade stainless as the minimum for any exterior window or door on this island.
- Insulated glass unit seal failure from sustained humidity above 75%. The constant marine moisture breaks down the seal around the glass pack, causing fogging and argon loss that quietly destroys the U-factor performance you paid for. If you see fog between the panes, the window has already failed.
- Frame oxidation on aluminum windows less than a decade old. Without marine-grade anodizing or powder coating, aluminum frames in North Key Largo can show visible oxidation and pitting in as little as five to seven years. It’s not a cosmetic issue; it compromises the structural integrity of the frame.
Pricing for Impact Windows & Doors in North Key Largo, FL
Here’s what you can expect to pay in North Key Largo’s market as of 2025. A standard impact-rated single window runs $1,100-$2,400 installed depending on size and product line. A large picture window or specialty shape runs $2,800-$4,600. Impact sliding glass doors run $3,200-$7,800. Impact entry doors run $3,800-$9,500. Impact garage doors run $4,500-$11,000. Whole-home replacements in Ocean Reef Club typically run $40,000-$90,000 because the ARB finish restrictions and Monroe County impact requirements steer you toward specific product lines like PGT, CGI, and CWS. The price is fixed in writing before we order, with no change orders and no surprise line items. Call (754) 238-2201 for a free, itemized estimate.
One thing worth saying plainly: on high-end work in North Key Largo, lead times set the calendar, not labor. Custom millwork, architectural glass, specialty finishes, and the long-lead door slabs can take 10-16 weeks from order to delivery. We order early, lock the price, and tell you the honest delivery window up front. The install itself is usually one to three days per opening, but nobody can shrink a manufacturer’s lead time by promising what isn’t true. We’d rather be straight with you about the schedule and show up when we say.
We Also Serve Cities Near North Key Largo
Our crews serve the surrounding communities along the Upper Keys and beyond, including Anna Maria, Acacia Villas, Alafaya, and Altamonte Springs. If you’re in one of those areas and want the same level of documentation and warranty registration, call (754) 238-2201. We schedule North Key Largo work directly through our South Florida office, and every crew that shows up is background-checked, uniformed, and employed by TruePane, not subcontracted out.
Serving North Key Largo, FL - Our Local Coverage Area
We’re based in the North 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 - Impact Windows & Doors in North Key Largo
Yes, if your home is inside Ocean Reef Club, the Architectural Review Board must approve your window or door submittal before Monroe County will process your permit, and the ARB historically accepts only white or bronze finishes. Contractors who show up with a signed county permit but no ARB approval letter get stopped at the gate, and that mistake costs weeks. We prepare the ARB submittal alongside the permit package and walk it through with your architect when needed. Call (754) 238-2201 and ask for the compliance checklist we use on every Ocean Reef project.
North Key Largo sits with saltwater on both sides and no inland buffer, so the salt spray, constant humidity above 75%, and 150+ mph design wind speeds create an almost total marine environment. Aluminum frames without marine-grade anodizing or powder coating can show oxidation failure within five to seven years, and 304 stainless hardware is frequently insufficient; 316 marine-grade is the practical minimum. We spec accordingly on every job, and we register both warranty layers in writing so the failure doesn’t become your problem.
Monroe County’s impact requirements are strict, but Ocean Reef Club’s Architectural Review Board adds a second layer that most other Keys communities don’t have. The ARB rejects submittals for mismatched frame colors between units in shared structures and historically requires white or bronze finishes only. Your window has to clear both bars. We quote PGT, CGI, and CWS products side by side on paper so you can see which lines offer the finish and profile the ARB will accept before you commit a dollar.
Fog between the panes means the insulated glass unit’s seal has broken, and the argon or krypton gas that provided the thermal performance has leaked out. In North Key Largo’s 75%+ humidity, that seal failure happens faster than on the mainland, and once it fails, the window’s U-factor performance is gone. It’s not condensation you can wipe off. The fix is a glass pack replacement or a new window, depending on the frame condition. Call (754) 238-2201 and we’ll tell you which one your situation calls for, with the price in writing before we start.
It depends on what you’re replacing. If you’re swapping out original 1970s or 1980s single-pane aluminum windows from an elevated stilt cottage, the energy savings can be 25-40% on your cooling load because the new laminated impact glass with low-E coatings blocks solar heat gain and air infiltration that the old frames let through. If you’re replacing 2000s-era impact windows that have already lost their gas fill from seal failure, you’re restoring performance, not gaining new ground. The honest answer is specific to your house. Call (754) 238-2201 for an assessment that tells you the truth, not the sales pitch.
Get Your Free Impact Windows & Doors Estimate in North Key Largo
If you live in North Key Largo and you’re ready to replace windows or doors, call (754) 238-2201. A live person answers, any hour, any day. We’ll schedule a visit, measure every opening twice, quote the product lines that meet Ocean Reef’s finish requirements and Monroe County’s impact codes, and put the price in writing before we order anything. No change orders, no gate-time surprises, no warranty paperwork left to fight over. Dale Kessler’s rule still stands: if the pane is not true, the job is not done. We stand behind it, in writing, for every home in North Key Largo.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving North Key Largo and the Upper Keys since 2008.
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.



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