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TRUSTED BY HERNDON, VA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon1.1k+
    Verified glazing services reviews

Top-Rated Glaziers in Herndon - Updated Nov 2026

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 Herndon, VA and surrounding areas

Approved

In business since 1987

Free estimates

Warranties offered

"I must admit, I had Unicorp replace all of the windows in our home with new vinyl energy efficient windows 10 or more years ago. Their installers were excellent. The quality of their windows were excellent. The proof in the pudding is that after 8 years not one of my windows has an air leak. Not one has leaked water. Not one window has had the vinyl or track break. In short, nothing has happened. Now that's a quality window! We also purchased a custom sliding glass door (in the kitchen to the deck) from Unicorp that to this day I believe is the best door in my entire home. That door is opened and closed constantly to let the cats in and out. If you own cats, you will understand how often that door is opened and closed on a daily basis. We have not had a single hiccup ever with that door. And in the winter, I sit right behind the door and no matter how cold or windy it is, I never feel a thing at the kitchen table. Because Unicorp did such a great job in replacing the windows in our home, my wife insisted that we use Unicorp to replace the roof last week. If you see my review on the roof, they did a 5 star job."
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+10

Response time1 day
Response rate100%
9 neighbors recently requested a quote
Avatar for Zen Windows of Washington DC
Zen Windows of Washington DC
5.0(
134
)
New Windows - 6 +New Windows - 3-5New Windows - Multiple

Serving Herndon, VA and surrounding areas

Approved

Super Service Award Winner

In business since 1997

Free estimates

Warranties offered

"In my family's entire life, we have not had a business dealing that moved so rapidly, smoothly, perfectly according to script, on time and more ............. and so congenially as the installation of Zen Wind in our family room. The innovative design to completely replace the back wall with glass was a creation of Scott Halle, the Owner of Zen Windows. We feel blessed; his installation team was remarkably professional, efficient and most friendly. We are simply awed to see the uplift of our family room and the view it now offers.. You have a winner in Scott Halle - a member of the endangered species of upright professionals in today's world!"
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+27

Response time2 days
19 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Glass & Window Solutions
Glass & Window Solutions
4.8(
63
)
Window Glass - Install or Replace

Serving Herndon, VA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Super reliable and honest in Gilberto's approach which I loved the most! I would definitely go back to Glass and Windows Solutions again for my future needs."
Response time1 day
1 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for J. S. Jackson Construction, Inc.
J. S. Jackson Construction, Inc.
4.6(
148
)
Egress Window - Install

Serving Herndon, VA and surrounding areas

Approved

Super Service Award Winner

In business since 1984

Free estimates

Emergency services offered

"Fantastic experience with JS Jackson! They did 2 projects for us - window replacement (6 windows for a townhouse) and cut and install new kitchen window. The leads on each project were very knowledgeable and great at explaining the process, answering questions, and advising on the best products for quality, budget, design, and function. Workers were friendly and professional. The office staff is very responsive at handling scheduling, permits, invoices, etc. It’s been several months and the windows are clearly properly installed, well-sealed, no leakage, and outside framing looks flawless. Would hire again!"
Bathroom Remodel
Bay Window
 Deck
Before
Bathroom Remodel

+37

Response time4 days
20 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Clifton Contracting
Clifton Contracting
4.8(
42
)
Egress Window - Install

Serving Herndon, VA and surrounding areas

Approved

In business since 1997

Free estimates

Warranties offered

"Clifton Contracting made the whole process so easy from planning to completion. We are thrilled with the window and the complete change in our basement. We chose a larger Anderson window and an upgraded Rockwell window well. No other estimates could match them."
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Star Home Improvements
Star Home Improvements
5.0(
51
)
New Windows - 6 +New Windows - 3-5New Windows - 2

Serving Herndon, VA and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"Purchasing my new windows was a very pleasant experience from sales to installation. Roland and Tiffany handled the transaction in a very professional manner and I was very impressed that they came by my house during the installation to make sure everything was going well. I am very satisfied with my new windows, they look great. I would strongly recommend Star Improvements for their quality service and competitive pricing."
Side by Side the difference is obvious!
Before the work began
Pearl Siding Finish
Provia Front Door
front windows installed

+123

Response time9 hrs
Response rate93%
20 neighbors recently requested a quote
Avatar for A.R. Glass Repairs
A.R. Glass Repairs
5.0(
22
)
Stained or Specialty Glass - Install or ReplaceStained or Specialty Glass - RepairWindow Glass - Install or Replace+1 more

Serving Herndon, VA and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"A. R. Glass did a fantastic job. Instead of having to replace my windows, they were able to come in and replace the glass for considerable savings. I would definitely have them come again. In fact, I had them come for a second job already."
Response time1 day
Response rate100%
Recommended by85%of homeowners
Avatar for Presidential Exteriors LLC
Presidential Exteriors LLC
4.7(
179
)
New Windows - 6 +New Windows - 3-5New Window - Single+9 more

Serving Herndon, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Warranties offered

"I had two old sliding glass doors where the wood around the glass was rotting. The needed to be replaced. I went to the Germantown Home Show and got three companies to come out and do an estimate. Presidential was easily the best choice of the three. The doors got ordered and a month or so later they arrived and were installed the next day. The crew from Presidential was professional and courteous. The door installation went quick and they cleaned up like they weren't even there. I am very pleased with my new doors."
Newly installed roof
Windows & Garage Door Replacement
Finished product with brand new siding.
Newly installed roof
Windows & Garage Door Replacement

+44

Response time1 day
Response rate100%
35 neighbors recently requested a quote
Avatar for REO-SERVICEPRO, INC
REO-SERVICEPRO, INC
5.0(
42
)
Window Well Covers - Install or Repair

Serving Herndon, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Warranties offered

Reo-ServicePro, Inc. has provided honest craftsmanship and built trusted relationships across Northern Virginia since 2008. From quick repairs to full projects, we guide and help you navigate the process. Owner and project manager Gary Golman brings 20 years of hands-on experience to every job, managing projects directly from the initial walkthrough to the final inspection. The company avoids high-volume work to focus on dedicated quality, eliminating subcontractors and rotating crews. Core Services include, Home Remodeling: Complete kitchen and bathroom renovations, whole house remodeling, additions, basement transformations, and custom built-in cabinetry.\n\nIntegrated Trades: In-house plumbing HVAC, and electrical work, eliminating the need to coordinate multiple contractors. By providing clear upfront project expectations and consistent communication, Reo-ServicePro, Inc. has earned long-term client loyalty and neighborhood referrals throughout Northern Virginia.

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+13

Response time1 day
Response rate100%
Recommended by97%of homeowners
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Glaziers FAQs, answered by experts

This happens when condensation forms due to your room temperature being lower than its dew point. You can clean the glass with a combination of baking soda, vinegar, and warm water to wipe away the fog from the doors.

Black spots on the bottom or along the edge of your bathroom mirror are caused by oxidation behind the mirror glass. When moisture and air are trapped between the glass and the backing, they react and cause discoloration. This is sometimes referred to as “mirror rot.” You’ll need to separate the glass and the backing to fully remove it.

You can use a commercial water repellent treatment for glass on your shower doors to prevent water spots. Take care to only apply the product to glass. Letting air circulate also helps prevent water spots, as water is less likely to remain on the glass for a long time with good air circulation. Run your vent fan, open a window, and leave the shower door open for about half an hour after using the shower.

The cost to remove a mirrored wall from your home ranges between $100 and $3,300, though the average price is only $500. You can save money by doing it yourself, but make sure you have safety equipment such as goggles and gloves, as well as the proper tools (drywall knife, wire saw, and a plastic sheet or tarp to cover the floor).

In terms of initial material and installation, glass stair railings are costlier than railings made from materials like wood, metal, or cable. Whether they are worth the investment often comes down to personal preference. Glass railings can offer a high return on investment, both in monetary value when it's time to sell and in the bold styling and functionality they add to a home. They provide a high level of safety, see-through functionality, and a unique appearance that other materials cannot replicate. From a maintenance perspective, glass railings require little to stay in working order but do need frequent cleaning to look their best.

The Herndon, VA homeowners’ guide to glazing services

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