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TRUSTED BY KEY LARGO, FL HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon37
    Verified window and door contracting services reviews

Top-Rated Window and door contractors in Key Largo - Updated Nov 2026

NZ Construction, Inc.
4.9(
81
)
Sliding Door or Tracks - RepairHardware, Latches & Tracks (Door) - Repair or ReplaceSliding Door or Tracks - Repair - For Business

Serving Key Largo, FL and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"My sliding glass doors are working so smoothly almost like new. The house was built in 1959 so the door are not new but they function like new ones. I also needed to change the 7 pieces of glass in a jalousie window. The Technician knew exactly how to do it and fixed them in a jiffy."
Response time8 hrs
Response rate97%
30 neighbors recently requested a quote
Avatar for GE HOME REPAIR INC
GE HOME REPAIR INC
4.9(
111
)
Doors (Interior) - Install or ReplaceDoors - RepairDoors - Repair - For Business+5 more

Serving Key Largo, FL and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Emergency services offered

"Bottom hinge had completely come out and the door wouldn’t close. Gary replaced the top short screws with some longer screws in the hinges to fix the door and secure the home. I definitely would recommend him. He was fair knowledgeable and was quick to get to us."
Plumbing plumbing
Bifold door installation
Window replacement installation
Door installation
Bathtub installation

+65

Response time5 hrs
Response rate100%
Recommended by61%of homeowners
Avatar for Guinn & Sons Hurricane Protection
Guinn & Sons Hurricane Protection
4.5(
99
)
New Windows - 6 +New Windows - 3-5New Windows - 2 - For Business+6 more

Serving Key Largo, FL and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Guinn & Sons replaced all of our windows and doors with impact at my house. I am pretty picky so they took the time to explain the options and products to ensure I was happy. Very communicative from start to finish and we love how everything turned out. They kept everything clean during installation too. I’m a realtor in Miami and I refer all my clients to them, and everyone has been very happy! I highly recommend them."
Two-story Home with Impact Windows (Broward County, FL)
Installation of a Commercial Job (North Miami, FL)
Sleek, Modern Look Raises Your Home Value While Lowering Your Energy Bill (Broward County, FL)
Asthetically Pleasing Accordion Shutters on a Beautiful Modern Home (West Kendall, FL)
Accordion Shutters on a New Two-Story Home (Miami-Dade, FL)

+1

Response time1 day
27 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for ASP SuperHome
ASP SuperHome
4.7(
430
)
New Windows - 6 +New Windows - 3-5Doors (Exterior) - Install or Replace+16 more

Serving Key Largo, FL and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2006

Free estimates

Warranties offered

"I recently had the pleasure of working with ASP SuperHome for the installation of new impact windows and doors in my home, and I couldn't be more satisfied with their service. From start to finish, the entire process was handled with the utmost professionalism. I would like to especially thank the salesperson Peter for his knowledge, commitment and timely response to issues throughout the project. He helped me select strong 9/16” windows with visible transmission of 60% (thus, the outside from inside looks bright) while the solar heat gain was limited to 32% (thus, the house is protected from excessive heat). The windows are rated for +90 and -90 pressure, which is well above the Miami Dade guidelines. The doors are strong and aesthetic. In summary, I received strong, hurricane protection doors and windows that also shield me from heat and noise, move smoothly, and are visually appealing. The quality installers at ASP, Yosyenny and Emilio, demonstrated exceptional skill and attention to detail. They worked diligently and efficiently, ensuring that each window and door was perfectly fitted and securely installed. Despite the extensive work, they maintained a neat and organized workspace, leaving no mess behind. Roy is also a capable installer. Thanks also to Michel and Sergio for project management, and to Emily, Luisa and JJ for the coordination. Overall, my experience with ASP was outstanding. Their commitment to providing high-quality service and their dedication to customer satisfaction truly set them apart. I highly recommend them to anyone in need of window and door installation services."
Impact Windows
Impact Window
Hurricane Windows
A new arched-top impact window with a dark bronze frame, freshly installed by ASP SuperHome. Our in-house crews handle removal, installation, and stucco patching, leaving your home ready for final paint. Miami-Dade-approved hurricane protection with $0-down financing available
Full Impact Windows

+16

Response time12 hrs
Response rate100%
21 neighbors recently requested a quote
Avatar for RADY HANDYMAN, LLC
RADY HANDYMAN, LLC
4.9(
8
)
Doors - RepairDoors (Interior) - Install or ReplaceDoors (Interior) - Install or Replace - For Business+1 more

Serving Key Largo, FL and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Small jobs welcome

"I called him last night to replace a bedroom door, and it was replaced by 1pm today. I'm extremely happy with the quick and efficient service provided, my only fear is my new door looks better than all the rest so I will be calling him soon enough to have them all replaced!"
Big pine key
Big pine key
Big pine key
Big pine key
Big pine key

+2

Response time6 hrs
Response rate94%
1 neighbors recently requested a quote
Avatar for USA Home Improvement
USA Home Improvement
3.8(
103
)
Storm Windows - Install or ReplaceStorm Door - InstallStorm Door - Install - For Business+1 more

Serving Key Largo, FL and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"I was very happy for my windows and door it was very profesional, accurate work , and fair prices,the people who work for this project were so excellent in their crafts. And really, really iam very happy specially with Francisco DeAraujo, William, Ariel, Louis, Erika."
Enclosure After photo
Enclosure Before Picture
Another After photo
Another After photo
Finishing up installation

+7

Response time12 hrs
Response rate98%
40 neighbors recently requested a quote
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Window Door Contractors FAQs, answered by experts

The screen material you choose depends on your needs. Here are some differences to consider:

  • Fiberglass is the least expensive but needs replacing more often.

  • Aluminum suits almost any job and doesn’t stretch as easily as fiberglass. 

  • Pet-resistant screens are more expensive than fiberglass or aluminum, but they’re also wind and weather-resistant. 

  • Metal screens, like stainless steel, are the most expensive material for rescreening your porch or sunroom. However, they last for years and are golf ball-resistant.  

Installing a basement window generally takes a few hours, assuming there are no structural issues you need to resolve first. If you’re a novice DIYer, the project could take longer; on the flip side, a licensed and trained window contractor may be able to replace multiple basement windows in the time it takes a homeowner to replace one.

Yes, professionals can enhance screen durability by using robust materials like stainless steel or fiberglass and employing advanced installation techniques. They provide reinforcement and repair services that extend the screens' lifespan while maintaining functionality and appearance.

You can add any type of window to a brick house, so long as the window has proper support. Windows with wider openings and windows in brick walls will need a lintel to support the extra weight above the window frame. A lintel is a support beam that distributes the weight from above evenly around the window.

Among the various entry points into your residence, it's crucial to recognize that your basement windows are arguably the most susceptible. Basements usually have windows facing the side and back yards, often concealed from driveway floodlights, porch lighting, and doorbell cameras. Their vulnerability underscores the importance of reinforcing basement window security to safeguard your home from break-ins.

The Key Largo, FL homeowners’ guide to window and door contracting services

From average costs to expert advice, get all the answers you need to get your job done.