The Best Window Installers in Marathon, FL

Compare the highest-rated windows professionals in Marathon, Florida. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Marathon Glass & Aluminum Inc.

4.7
(100 reviews)
Verified

A long-standing, locally-owned and operated company that is deeply embedded in the Marathon community. They are a full-service glass and glazing contractor, making them a primary choice for residential window replacement, repair, and custom solutions, especially for impact-resistant and hurricane-proof windows which are critical in the Keys.

11475 Overseas Hwy, Marathon, FL 33050

Specialties & Features

Impact-Resistant Windows
Custom Aluminum Windows
Window
Door Repair

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Window World of Southwest Florida

4.8
(250 reviews)
Verified

While their main office is in Fort Myers, Window World is a major regional provider known for serving the broader Southwest Florida area, including the Keys. They offer a strong value proposition with a wide selection of energy-efficient windows and are a popular choice for larger replacement projects.

12230 Westlinks Dr, Fort Myers, FL 33913 (Serves Marathon area)

Specialties & Features

Energy-Efficient Window Replacement
New Construction Windows
Vinyl Window Solutions

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

PGT Windows (Via Certified Dealers/Installers like **A Action Window & Glass**)

4.6
(150 reviews)
Verified

PGT is not a direct service provider but is the leading manufacturer of impact-resistant windows in Florida. Many top-tier independent contractors in the region are certified PGT dealers. A homeowner in Marathon would likely work with a local contractor like "A Action Window & Glass" (serving the Keys) who is certified to sell and install the PGT product line. This combination offers the gold standard in storm protection and energy efficiency.

1070 Technology Dr, North Venice, FL 34275 (PGT HQ - Serves via dealers)

Specialties & Features

Hurricane-Proof Windows
Custom Impact-Resistant Solutions
High-Security Windows

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Marathon

** The window market in Marathon, Florida, is uniquely driven by two primary factors: **hurricane building codes** and **energy efficiency**. Due to its location in a high-velocity hurricane zone (HVHZ), virtually all window replacement and new installation must meet strict impact-resistance standards. This makes providers specializing in laminated glass, reinforced frames (often aluminum or vinyl-clad), and products from manufacturers like PGT and CGI the dominant players. The competition is moderate but specialized. There are a few strong local companies like Marathon Glass & Aluminum that handle a wide range of glazing needs, while larger regional chains and certified installers for major brands compete for full-home replacement projects. Pricing is typically **premium** due to the high cost of materials (impact-resistant glass is significantly more expensive), the specialized labor required for installation, and the higher operational costs of working in the Keys. Homeowners should expect a significant investment, but one that is crucial for home safety, insurance premium reduction, and long-term energy savings in the harsh Florida climate.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Marathon regulations and climate

Frequently Asked Questions About Windows in Marathon

Get answers to common questions about windows services in Marathon, Florida.

1How does the Marathon, FL climate impact the type of windows I should install?

Marathon's coastal, hurricane-prone environment demands windows with high-impact laminated glass and robust frames (like aluminum or reinforced vinyl) that meet the Florida Building Code's strict wind-borne debris requirements. These windows are essential for home safety and insurance compliance. Additionally, look for windows with Low-E coatings to reflect the intense Florida sun, significantly reducing heat gain and your cooling costs.

2What is the typical timeline for a window installation project in Marathon, and are there seasonal considerations?

From initial consultation to completion, a typical whole-home window replacement in Marathon takes 4 to 8 weeks, factoring in measurement, ordering, and scheduling. The most significant seasonal consideration is hurricane season (June-November); scheduling installations in the spring (Jan-May) is ideal to ensure your home is secured before storms and to avoid potential supply chain delays or high-demand scheduling crunches common in the pre-storm period.

3What local permits or regulations do I need to be aware of for window installation in Marathon?

In unincorporated Marathon (Monroe County), a building permit is required for window replacement, as the installation must be inspected to ensure compliance with the Florida Building Code, specifically for wind-load and impact resistance. Your licensed contractor should always pull this permit. For homes within city limits or in a homeowners association (HOA), there may be additional architectural review requirements you must follow.

4How do I choose a reliable window installation contractor in the Marathon area?

Always verify the contractor holds a valid Monroe County Competency License and carries both general liability and worker's compensation insurance. Given the specialized requirements, choose a provider with extensive local experience installing hurricane-resistant windows and ask for references from recent projects. Be wary of out-of-town storm chasers who may not understand local codes or provide reliable long-term service.

5What is the average cost range for installing impact-resistant windows in a Marathon home?

For standard-sized impact-resistant windows, homeowners can expect a range of $1,200 to $3,000+ per window installed, with the total project cost heavily dependent on the number of windows, specific product lines (e.g., PGT, CGI), frame materials, and the complexity of the installation. Prices are typically higher than the national average due to the mandatory high-performance products, specialized labor, and local permitting costs associated with Florida's stringent building codes.