Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Custom Windows & Doors Across North Key Largo
Custom windows and doors in North Key Largo mean something different than they do inland. The salt air off Card Sound and Biscayne Bay eats standard aluminum frames within a few years, Monroe County code demands impact-rated glazing certified for 150+ mph wind loads, and if your home sits inside Ocean Reef Club, every contractor needs pre-approved access credentials before setting foot on the property. TruePane Windows & Doors handles all of it: the Club access paperwork, the county permitting, the manufacturer certifications, and the installation itself. We’ve been doing high-end window and door work in North Key Largo long enough to know what fails here and what lasts. Call (448) 428-7290 for a free estimate, and a live person answers, day or night.
Why TruePane Is the Custom Windows & Doors Team North Key Largo Calls
Our Custom Windows & Doors crew works inside Ocean Reef Club regularly, which means we’re already familiar with the access procedures, the gate schedules, and the property management expectations. That familiarity saves our clients time and frustration. We don’t show up and discover we can’t get through the gate; the credentials are handled before the truck leaves our yard.
Here’s what else matters to homeowners here. Every technician we send to North Key Largo is background-checked and uniformed. Every window or door opening gets measured twice before we order glass. Every job is covered by our Done Right Promise and The Keystone Standard: both warranty layers from the manufacturer get registered in writing before we leave your driveway, with the durations stated on paper. No paperwork fights later. If the pane is not true, the job is not done; that’s the rule Dale Kessler put on the whiteboard when he founded the company in 2008, and it governs every install we do.
Homeowners in North Key Largo tend to be people who have lived in their homes for twenty or more years and plan to stay another twenty. They remember the contractor who left a fogged seal and a binding door. Our local reputation is built on being the crew that shows up when we say we will, quotes manufacturer lines side by side on paper, and stands behind the work. Call (448) 428-7290 and you’ll hear a person, not a voicemail tree.
Our Custom Windows & Doors Services in North Key Largo
Custom Shape Windows
Arched, radius, trapezoid, elliptical; North Key Largo custom homes inside Ocean Reef Club feature shapes that stock windows will never fit. CBS construction, which dominates the area, compounds the challenge because the rough openings are set in concrete block, not wood framing. We template every opening precisely, order from manufacturers like CGI and ES Windows who actually produce true custom shapes with impact certification, and set the units in marine-grade buck framing so the flashing tape seals correctly against the block. A custom shape window in North Key Largo typically runs $1,400 to $4,200 per opening, depending on size and glass package.

Oversized Glass Panels
Homes on Ocean Reef Drive and along the water often feature floor-to-ceiling glass walls and oversized fixed panels designed to bring in the view of Card Sound. When those panels are impact-laminated, low-E coated, and argon-filled, lead times stretch. The glass drives the schedule, not labor. Our team coordinates with the designer and the architect, confirms structural loads, and handles the craning or panel sledding required to set a 300-pound glazing unit without twisting the frame. Oversized impact glass panels in North Key Largo run $6,000 to $18,000 per opening, depending on dimensions and glass makeup.

Architectural Grilles & SDLs
If your North Key Largo home has true divided-light character, you don’t want to lose it when you upgrade to impact glass. Simulated Divided Lites (SDLs) applied to the interior and exterior faces of the glass, with the spacer bar matched to your existing millwork profile, keep the elevation looking original while the unit now stops a 2×4 at 150 mph. We match grille profiles from the 1970s originals that are still common in Ocean Reef Club and mill fresh profiles where the old extrusions are no longer made. Upgrading to matched SDLs adds $220 to $480 per window, depending on profile complexity.

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 are an authorized installer for more than a dozen manufacturer lines, including CGI, ES Windows, CWS, and ECO Window Systems, the brands most often specified in coastal Monroe County because they hold the Miami-Dade and Florida Building Code impact certifications that county inspectors require. Because we install these lines regularly in North Key Largo, we know which glass packages, hardware finishes, and frame materials are actually approved for this wind zone; we don’t guess and we don’t substitute. Parts and warranty service from these manufacturers are straightforward for us because we order from them every month and stock common local hardware in our service vehicles.
Common Custom Windows & Doors Problems We See in North Key Largo Homes
- Seized casement and awning hardware from salt corrosion. The salt-laden air off Card Sound gets into the hinge tracks and locking mechanisms of operable windows within a few years. We see casement cranks that snap and awning operators that strip out on 1970s and 1980s units throughout Ocean Reef Club, especially on the bay side.
- Fogged insulated glass in original non-impact units. When a seal fails on a double-pane unit, argon leaks out, moisture gets in, and the glass clouds. This is especially common in Ocean Reef Club homes that sit empty through hurricane season; the failure happens in August, and the owner discovers it in November.
- Water intrusion at the rough opening on CBS retrofit jobs. Concrete block homes need proper buck framing around the opening before impact windows are set. Skip the buck, and the flashing tape system fails, water finds a path, and the jamb extensions start to rot. We’ve repaired this on homes where a previous contractor cut corners.
- Non-compliant single-pane aluminum originals. A substantial share of North Key Largo’s 1970s-era stock still carries its original single-pane, non-impact aluminum windows. They don’t satisfy Monroe County code, they don’t hold an energy rating that matters in this climate, and they’re degrading from decades of salt exposure. Replacement is a code issue, not an aesthetic preference.
Pricing for Custom Windows & Doors in North Key Largo, FL
Because Ocean Reef Club access rules and Monroe County impact codes shape every project here, prices in North Key Largo run higher than inland Florida. A straightforward impact-rated replacement in a standard-sized opening runs $1,800 to $4,500. Custom shape windows run $1,400 to $4,200. Oversized glass panels run $6,000 to $18,000. Architectural grilles and matched SDLs add $220 to $480 per window. These ranges reflect the hardware, glass package, manufacturer line, and access coordination. We quote everything in writing before any glass is ordered, and that fixed price doesn’t change once work starts. Call (448) 428-7290 to schedule a free estimate. We’ll measure, quote manufacturer lines side by side on paper, and register both warranty layers before we leave your driveway.
We Also Serve Cities Near North Key Largo
TruePane serves the entire upper Keys corridor: Homestead, Key Largo, Florida City, and Homestead Base. If you’re in North Key Largo proper, we’re already familiar with the Club’s access procedures. If you’re just outside the Club boundary in a CBS home along the Overseas Highway, the same salt-air and impact-code conditions apply, and we cover those too. Call (448) 428-7290 for service anywhere in the upper Keys.
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 - Custom Windows & Doors in North Key Largo
Yes. Every contractor entering Ocean Reef Club must have pre-approved access credentials through the Club’s property management office. We initiate that process before scheduling your measurement visit; our crew carries the proper credentials, so the appointment isn’t delayed at the gate. Call (448) 428-7290 and we’ll start the access paperwork alongside your free estimate.
Monroe County code mandates impact-rated windows and doors certified to withstand 150+ mph wind loads for all replacement openings, regardless of proximity to water. The entire Florida Keys fall into the High Velocity Hurricane Zone. CBS construction doesn’t exempt you; the county inspector will check the product approval stickers on every new window and door. We quote only certified impact lines here, so there’s no gap between what we install and what the inspector approves.
You can wait for a few months, but the fog won’t clear on its own. Once the seal fails and argon escapes, moisture stays inside the unit, the glass clouds permanently, and the window’s thermal performance is gone. Common problem in Ocean Reef Club homes left shuttered through hurricane season; the failure happens unnoticed in August or September and shows up when owners return in November. Call (448) 428-7290 for a free estimate before the season, and we’ll have the replacement glass ordered with the correct lead time.
We coordinate the schedule around your return window and the manufacturer’s lead time, not the other way around. Custom glass units, especially oversized impact panels, often require six to ten weeks from order to delivery. We confirm measurements and access credentials, order the glass, and schedule the installation for when you’re back in North Key Largo. Long-lead items drive the calendar; our labor fits your schedule. We can also perform the work while the home is empty with your written authorization and Club-approved access, if you prefer it done before you return.
Yes. We match the grille profile, bar width, and spacer-bar color of your existing windows, including the 1970s-era profiles still common in Ocean Reef Club. If the original extrusion is no longer manufactured, we mill new profiles to match. The result is a replacement unit that carries impact certification but reads as original from the curb. Matching SDLs add $220 to $480 per window depending on profile complexity. Call (448) 428-7290 for an exact quote on your openings; estimates are free.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving North Key Largo and the upper Keys with custom windows and doors 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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