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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon1.2k+
    Verified window and door contracting services reviews

Top-Rated Window and door contractors in Darnestown - Updated Nov 2026

Avatar for A.R. Glass Repairs
A.R. Glass Repairs
5.0(
23
)
Window Glass - Install or Replace

Serving Darnestown, MD and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"Excellent work. The person who assisted us was gruff and no-nonsense, but professional. He asked that we send a photo of the window, which we did. He then came out and measured the window. He came back a couple of days later, and completed the work. The window looks fantastic, and we are very pleased with his work."
Response time1 day
Response rate100%
Recommended by81%of homeowners
Avatar for Chapin Handyman LLC
Chapin Handyman LLC
4.9(
36
)
Doors - RepairDoors - Repair - For BusinessHardware, Latches & Tracks (Window) - Repair or Replace+4 more

Serving Darnestown, MD and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Their Handyman Nestor Ramirez came my house within two hours after I contacted Chapin Handyman LLC; and it took him less than 30 minutes to locate and clear away the obstructions preventing my upper window from closing completely."
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+58

Response time10 hrs
Response rate100%
Recommended by82%of homeowners
Avatar for Unicorp Home Energy Services
Unicorp Home Energy Services
4.9(
630
)
New Windows - 6 +New Windows - 2 - For BusinessNew Windows - 3-5 - For Business+3 more

Serving Darnestown, MD and surrounding areas

Approved

In business since 1987

Free estimates

Warranties offered

"From the quote to the completion of the installation, we were very happy that we chose Unicorp. We did a full (28 windows) window replacement and 1 exterior and storm door replacement. The windows are the Prodigy by Uncorp windows and they are beautiful and well-made, and the price was more than competitive with the other quotes we received. Our house is 100 years old and still had the original windows, so it was a very challenging and lengthy installation, but their installer did an excellent and very thorough job. We plan on using Unicorp again in the future when we replace our remaining exterior doors."
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+10

Response time1 day
Response rate100%
7 neighbors recently requested a quote
Avatar for Premier Windows & Glass, Corp.
Premier Windows & Glass, Corp.
4.8(
29
)
Window Glass - Install or Replace

Serving Darnestown, MD and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"The Premier Windows and Glass has provided an excellent service for me! A frame of one of the windows in my condo was broken, and I looked for a company that would fix it and prolong the life of the window. So, I was very happy to discover The Premier Windows and Glass. Their technician was very polite, professional, and knowledgeable. Not only did he do a quality job on fixing the frame, but he also explained to me what needs to be done to prevent the window from breaking down again and avoid paying a lot of money for its replacement. In addition, the manager and technician responded to my service request in a prompt manner. The problem was solved on the day when I called the company. Last but not least, the company offers competitive service rates and does not push people to spend more money than is absolutely necessary. I would strongly recommend this company to anyone who needs a window to be fixed or replaced."
Rotted patio door sash
Rotted French door sash and trim board
Repaired French door panel
Repaired French door panels
Repaired French for sashes and the trim board

+8

Response time12 hrs
Response rate97%
34 neighbors recently requested a quote
Avatar for Nova Exteriors Inc
Nova Exteriors Inc
4.3(
500
)
New Windows - 3-5Doors (Exterior) - Install or ReplaceNew Windows - 6 ++2 more

Serving Darnestown, MD and surrounding areas

Approved

In business since 1995

Free estimates

Warranties offered

"Nova Exteriors did a fantastic job on our windows. Tom came to give us our estimate and walk us through the various products they provide. He did a great job at answering our questions and showing us what our options were without being in-your-face-buy-my-product sales guy. The team that came and installed the windows did an amazing job. They were in and out in half a day. We had five double hung windows installed and one massive picture window. They were courteous, on time, and cleaned up inside and outside when they were done."
Full roof & siding replacement, Vienna VA 2024.
Roof replacement in progress - Vienna, VA
Full roof & siding replacement, Vienna VA 2024.
Roof replacement in progress - Vienna, VA
Full roof & siding replacement, Vienna VA 2024.

+18

Response time1 day
Response rate100%
2 neighbors recently requested a quote
Avatar for Safety Windows & Doors
Safety Windows & Doors
5.0(
11
)
New Windows - 3-5New Windows - 6 +Doors (Exterior) - Install or Replace+4 more

Serving Darnestown, MD and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

At Safety Windows & Doors, we specialize in high-quality window and door replacement, glass repair and replacement, frameless shower enclosures, and commercial storefront windows and doors.\nWe proudly serve residential and commercial customers throughout Maryland, Washington, DC, and Northern Virginia, delivering reliable service, professional installation, quality materials, and competitive pricing.\n\nOur Services Include:\nWindow Replacement & Installation\nExterior & Patio Door Replacement \nGlass Replacement \nFrameless Shower Enclosures \nCommercial & Storefront Windows & Doors \n\nWhy Choose Safety Windows & Doors?\nWe are a fully licensed, bonded, and insured contractor committed to quality workmanship, customer satisfaction, and dependable service. From small residential glass replacements to large commercial window and door installations, we deliver professional results.\n\nContact us today for a free estimate!\nCall: 202-460-8860\n\nServing Maryland | Washington, DC | Northern Virginia

3 neighbors recently requested a quote
Recommended by45%of homeowners
Avatar for Pen Win Windows and  Doors, LLC
Pen Win Windows and Doors, LLC
4.2(
229
)
Doors (Exterior) - Install or ReplaceNew Window - SingleSliding Door - Install

Serving Darnestown, MD and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"I highly recommend Pen Win. Horace is very knowledgeable. He explained thoroughly and honestly the issues we were encountering with our roof as well as options. We chose an install and it was reasonably price. I must say... They did an exceptional job on our roof and clean up."
Perfection
Response time2 days
2 neighbors recently requested a quote
Recommended by91%of homeowners
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Window Door Contractors FAQs, answered by experts

Professionals clean window screens the same way a homeowner can—by removing the screens and cleaning them with a sponge. A window cleaning pro may come with better equipment, like a high powered wet/dry vacuum or pressure washer to speed up the process and achieve a deeper clean.

Window screens can take anywhere between 10 minutes and an hour to replace, depending on the complexity of the replacement and the accessibility of the window. Replacing the screen inside an existing frame normally takes longer than replacing an entire screen, frame and all, if you purchase a prefabricated screen already mounted on the frame.

The best type of window screen for your home depends on your region and your family’s needs. While fiberglass window screens are a popular, affordable, and easy-to-find choice, you may be looking for different benefits, such as a more high-end look, increased strength, or extended durability. The best window screen meets the demands of your home and its residents while staying within your budget.

Window screens can help keep some heat out of your home, which is one benefit of using them in summer. It’s also the reason experts suggest removing your screens in winter—so it’s easier for the sun’s warmth to filter into your home. This will keep you cozier and potentially reduce your heating bills.

The steps to replace a retractable screen can vary, but these are the general steps: First, remove the screen cover to expose the screen mechanism and remove the clip that holds the screen in place. Next, depress the end of the screen mechanism so it releases from the door frame. Take your new screen and fit one end into the frame. You may need to rotate the mechanism to engage the spring before inserting the other end into the frame. Finally, pull the screen down the length of the door’s opening and lock it in place with the clip.

The Darnestown, MD 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.