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

Avatar for Zen Windows of Washington DC
Zen Windows of Washington DC
5.0(
134
)
New Windows - 6 +New Windows - 3-5Doors (Exterior) - Install or Replace+1 more

Serving Darnestown, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1997

Free estimates

Warranties offered

"Bottom Line: This is the first time we have used this company, and they did excellent work for a reasonable price, and more importantly, built a huge amount of trust with the customer. Communication: Scheduling the initial estimate was easy, but the back-and-forth communication required to finalize the many detailed options was a bit slow; however, the owner Scott Halle interceded and timely communication continued throughout the rest of the process. Scoping Work: This is where Zen Windows really excels, primarily because of the vast knowledge of James Bond. We wanted to replace the single door with side transoms with something that would maximize the opening space. James expertly walked us through the options with cost and wall modification comparisons. In addition, the header above the current door was swelling and pinning the door, and James evaluated the issue, likely water seeping down from an unflashed deck, and provided peace of mind his guys could fix it on site during installation. Quality of Work: Frankly, 75-80% of contractors fail here for three primary reasons: a horrible handoff from the product specialist to the onsite project foreman, project foreman and workers making assumptions about details vice asking the customer, and lack of quality detailed work. The foreman excelled in these areas ensuring we were on the same page for various details such as casing, caulking, and external trim. In addition, he completely replaced the rotted wood structure above and along the sides of the door and added customer-provided insulation where there were gaps. To keep the project on track, they brought in another expert worker and management arrived to ensure the quality of work was high. The end product was beautiful. Pricing: Price was the best of three highly ranked Angie’s List companies. Zen Windows’ expertise, willingness to explain the details of the project, timely communication, and excellent work took the hassle out of this project."
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+27

Response time2 days
17 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Global Home Solutions LLC
Global Home Solutions LLC
4.9(
35
)
Door or Window Screens - Install or RepairHardware, Latches & Tracks (Door) - Repair or ReplaceHardware, Latches & Tracks (Window) - Repair or Replace+1 more

Serving Darnestown, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Warranties offered

"Mr. Cooper was incredibly responsive to my request for a patio screen door repair. He was friendly, knowledgeable, and kept us informed throughout the process. The repair he performed on our screen door was EXCEPTIONAL and was promptly completed. I highly recommend him to anyone seeking a reliable and experienced window/door professional. I?ll definitely reach out to him again if I ever need another project."
Insulated Glass Replacement
Response time5 hrs
Response rate95%
Recommended by46%of homeowners
Avatar for ARHT Home Solutions
ARHT Home Solutions
5.0(
176
)
New Windows - 6 +New Windows - 6+ - For Business

Serving Darnestown, MD and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"At first I was extremely apprehensive about buying all new windows for my home from one vendor all at once. Because, I was completely burned in the past from a previous contractor and they installed a few of my windows about 3 years ago and didn’t complete the job, it was a horrible experience and left a very negative feeling regarding purchasing windows from anyone in the future with the fear of being taken advantage of again. However, after analyzing and getting great descriptions of the windows and the installation process, I found it worth taking the chance and in my best interest to have ARHT Home Solutions do the work for me. His workforce was very professional and I was very satisfied with my new windows. I have decided also to use ARHT to install a new front door and storm door after the completion of the new windows that were installed. They showed up on time and was very patient with me, the work ethic was great through the entire process and am completely satisfied."
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+72

94 neighbors recently requested a quote
Recommended by79%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

"I very much recommend this contractor! Answers fast, gives extremely fair prices, gives fast appointments AND the show up on time! They are very polite and nice. They also clean up the station after they’re done! I find them reliable, quality work and fairly priced. They also work as long as they need to. For our house they: Fixed the window frames outside because the mortar was broken or eroded and when it stormed outside, it rained inside our house. They changed rotten wood, painted it, cemented places in the brick wall that needed it, put mortar/caulk and sealed 4 windows from the outside. The other project was putting bifold closet doors which included cutting them to size, installing the hardware, and painting them. This was the first time I’ve had to hire someone to fix things around the house that I couldn’t, and I was really nervous. I’m grateful I found Chapin Handyman LLC through Angie’s list! Oh! And they are insured and bonded, too!"
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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

"EXCELLENT, as usual!!!! I have used Unicorp previously in 2015 - windows, siding, gutters, soffits/fascia. In May 2023, I used them for front door and storm door replacement. They are responsive, professional, charge a very fair price for QUALITY products and workmanship."
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+10

Response time1 day
Response rate100%
6 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 to have a window 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

"We have had NovaExteriors replace all our gutters, windows, sliding doors and front door over the last several years from the contractor grade products that the town house was built with. We have been very pleased with everything. They installed our steel front door about 10 years ago and we started to have issues with the deadbolt not aligning with the door jam and the rubber sweep wearing out over time. I contacted NovaExteriors, made my appointment and they arrived right on time and performed the needed maintenance that was required. The door is back to being perfect. Once again, we were very pleased with NovaExteriors, their prompt arrival and the quality of work. You can't go wrong with NovaExteriors."
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

"Supply chain crisis or not, we eventually got our beautiful window replaced and are so thankful to have it installed before the end of the year and the coldest months. Once our window found its way to Maryland, Horace and team got it to our house and installed within days during a holiday week."
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

No, it’s not safe to leave a doggy door open. It might be more convenient, especially at night when you just want to lay in bed. However, when you leave it open, it increases the chance of other critters getting in without your knowledge. Also, it leaves your pup unsupervised for hours at a time.

To ensure the longevity and smooth functioning of new windows, regular maintenance is essential. This includes cleaning the glass and frames, inspecting seals for leaks or damage, and reapplying caulking as needed. It is also important to lubricate all moving parts and operating mechanisms to ensure they continue to operate smoothly.

Common problems include leaks, broken glass, and damaged frames. Regular maintenance prevents extensive damage.

No, but removing window screens will achieve a deeper clean. If you aren’t sure how to remove your screens, you can still clean them while in your window. You can follow the same cleaning steps, but you may not be able to get into corners or struggle to clean the entire screen if the window is up high.

While sometimes used interchangeably, screen doors and storm doors have key differences. Screen doors are simple structures, typically composed of just a frame and a screen, designed to keep out bugs while allowing air circulation. In contrast, storm doors are heavier and more complex, built to protect your home's main entry door from weather and intruders. They usually feature an aluminum frame with interchangeable tempered glass and screen panels, allowing you to switch between ventilation and insulation. A storm door offers more protection and versatility but generally costs more than a basic screen door.

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.