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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon124
    Verified window and door contracting services reviews

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

Avatar for ARDMOR Windows & Doors
ARDMOR Windows & Doors
4.7(
145
)
New Windows - 3-5New Windows - 6 +Doors (Exterior) - Install or Replace+18 more

Serving Frederick, PA and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"Recently we hired Ardmore to replace the glass in 2 of our skylights and install a new storm door. Other than rain delays the skylights were installed in less than 2 hours as Ardmore sent 2 crews for the installation. They even came inside to vacuum any debris that might have fallen into the house during the installation. (5 out of 5). The installation of the storm doors was different. It took over 10 hours for 2 men to finish the installation which I felt was excessive and felt they didn't do the installation correctly. The difference between a good company and a better company is how well they fix a problem and to this point they are doing a better job. When I called to complain the scheduler immediately suggested they send out someone to inspect the work and within 3 days someone came out and fixed 2 out of the 3 problems and said someone would be calling me and ordering a replacement part to fix the 3rd problem"
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+65

17 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Alderfer Glass Co.
Alderfer Glass Co.
4.8(
71
)
Window Glass - Install or Replace

Serving Frederick, PA and surrounding areas

Approved

In business since 1961

Free estimates

Warranties offered

"They came out quickly and he did a nice job repairing the windows. The price certainly seemed fair to me although I didn't price with anybody else because it was kind of an emergency situation. The fellow who came to give me an estimate told me it would take weeks for them to do it. I had to clean up my house for sale on Thursday and I needed this done. When I called the company and said that I'm in an emergency, they said they can get here the next day. They came within a day. I went upstairs and there was a gap in one of my windows so I went to weather strip it and I noticed one of the paint seemed to be loose in an area. I called immediately and the guy came right back and explained to me that it takes a while for the putty to set and what I was seeing was normal, etc. I felt kind of stupid calling them and he said he should have explained it to me and said he was very sorry. He said they rather I call them now than not call them. I was very impressed with them. I would use them in a millisecond again."
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+53

5 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Earth Smart Remodeling
Earth Smart Remodeling
4.6(
73
)
New Windows - 6 +New Windows - 3-5New Windows - 2+5 more

Serving Frederick, PA and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"We were very happy with this company. Felt pricing was very fair, and unlike other contractors, were not pushy at all. We have close to 35 windows in our home, and split up the installations into 3 separate times. Installers were great! And we love our new windows!"
After
After
After
After
Black Window Project

+59

Response time1 day
Response rate100%
41 neighbors recently requested a quote
Avatar for The Flying Locksmiths of Greater Philadelphia
The Flying Locksmiths of Greater Philadelphia
4.5(
64
)
Doors - Repair - For BusinessDoors (Exterior) - Install or Replace - For BusinessDoors (Interior) - Install or Replace - For Business+1 more

Serving Frederick, PA and surrounding areas

Approved

In business since 1946

Free estimates

Emergency services offered

"Flying Locksmiths came out and replaced my exterior locks on 2 doors at my new home. They were prompt, scheduled when convenient for me, and completed the job quickly - in far less time and effort that it would have taken me. Would definitely hire them again if needed."
TFL_1
TFL Technicians
TFL_2
TFL Roots
TFL_3

+10

Response time1 day
20 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Home Genius Exteriors
Home Genius Exteriors
5.0(
229
)
New Windows - 2New Windows - 3-5New Windows - 6 +

Serving Frederick, PA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Ryan was very personable and enjoyable to have a conversation with. He really knows how to connect with people. The crew was very fast and the windows look amazing. Next project is doors and can?t wait for home genius to do that!"
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing

+78

74 neighbors recently requested a quote
Recommended by8%of homeowners
Avatar for RMD Glass & Glazing
RMD Glass & Glazing
5.0(
14
)
Window Glass - Install or Replace

Serving Frederick, PA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Rob was personable, professional and prompt! He was able to seamlessly repair a custom window and even matched the tint. You are unable to tell it was repaired. His prices are very fair, and competitive. Would recommend him to anyone looking for window repair and other glass services"
Seal-Failed Window
Seal-Failed Patio Door Glass Replacement
Response time3 days
2 neighbors recently requested a quote
Recommended by81%of homeowners
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Window Door Contractors FAQs, answered by experts

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.

There are a number of ways to secure windows. You can add motion detectors or window sensors to detect movement and impact or change the window locks to make them stronger. Some of the ways you can secure windows are much like how you secure a home: closing the curtains at night and setting up security cameras outside so you can monitor your property even in your absence. 

The average cost to repair a window is about $400, with prices typically ranging from $175 to $1,500. The final cost is influenced by several factors, including:

  • Number of Panes: Single-pane repairs average around $200, double-pane repairs range from $200 to $400, and triple-pane repairs can cost $600 to $1,100.

  • Type of Repair: Minor fixes for a track, seal, or sash are more affordable than repairs for broken glass or window frames, which are typically the most expensive.

  • Window Details: The size, type, and material of the window affect the price.

  • Accessibility: Windows on upper floors or in hard-to-reach locations may increase labor costs.

  • Other Factors: The extent of the damage, local labor rates, and the need for emergency service will also impact the total cost.

For comparison, a full window replacement can range from $175 to $1,800 or more for high-end materials or large windows like bay or bow windows.

Egress windows require regular maintenance to ensure they function correctly. This includes cleaning the glass, inspecting the frame and well for debris, and making sure the cover or well drains properly. It is also important to check that the window sills and wells are watertight and to inspect and repair any damage to the window frame or seals to prevent leaks and maintain functionality.

The cost of a window repair varies significantly depending on which part is damaged. Here is a breakdown of common repairs and their estimated costs:

  • Broken seal or fogginess between panes: $70–$245

  • Cracked pane: $40–$100

  • Broken glass: $200–$2,000

  • Sash, seal, or track repair: $200–$600

  • Latch or hardware issues: $75–$200

  • Broken window frame: $175–$1,000

  • Window screen replacement: $140–$480

The Frederick, PA 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.