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Top-Rated Egress window pros in Reston - Updated Nov 2026

Avatar for Clifton Contracting
Clifton Contracting
4.8(
42
)
Egress Window - Install

Serving Reston, VA and surrounding areas

Approved

In business since 1997

Free estimates

Warranties offered

"Chris’s team from Clifton Contracting was fantastic. I’d been searching for a company to install a basement egress window so we could have a legal basement bedroom. Chris was the third estimate I receive since the two other estimates I’d gotten from other companies seemed high, one other company had even quoted me $10k for a fiberglass egress tub. Chris’s quote was literally almost half that and it was for a stone egress…additionally he was very knowledgeable and clear regarding the pricing for not just the basic window egress but also a virtual a la cart list of pricing options I could add if I wanted. I went with stone/segmented wall options which ended up looking great. I also ended up having Chris’s team wire the basement bedroom to code (running wire and installing the outlets) in addition to wiring & adding an additional hardwired fire alarm to code. I was planning on doing that piece myself but given the pricing was pretty reasonable and he could knock it out at the same time and include it in the permit as a single project, it was an easy choice for me. Overall I’m very happy with the work and would definitely use them again."
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Foley Custom Homes
Foley Custom Homes
4.4(
95
)
Egress Window - Install

Serving Reston, VA and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"We had to have a new moisture barrier installed in a crawlspace. Jaimie and Jose did a great job. They explained all the steps, respected our property, and did a quality job."
New railing in Clifton VD
Before photos
New railings
After photos
New railing in Clifton VD

+2

Response time1 day
Recommended by91%of homeowners
Avatar for Comfenergy
Comfenergy
3.9(
50
)
Egress Window - Install

Serving Reston, VA and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"I am so impressed with Comfenergy. The sales rep explained why we only needed to improve the insulation at the top of our unfinished basement walls, not the whole thing as another company recommended. So it was considerably less money than we thought we’d need to do the job. Brent and his assistant arrived on time to do the work and were so quiet that we weren’t inconvenienced in any way. I definitely recommend this company."
Attic before
Attic after
Historic Waterford Home
Historic Plaque
Crawl space before

+6

Response time1 day
115 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Roofing & More, Inc.
Roofing & More, Inc.
3.4(
88
)
Egress Window - Install

Serving Reston, VA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"I researched to find the best product, warranty, and installer. I believe I did, but time will tell. Roofing & More office staff and installation crew were very easy to work with and very dedicated. My new roof looks great! If it lasts as well as it looked upon completion, I will be very pleased"
Entry Door
Windows and Window Trim
Replacement Window
Windows and Doors
Before and After

+9

Response time12 hrs
Recommended by85%of homeowners
Avatar for '58 Foundations
'58 Foundations
3.5(
35
)
Egress Window - Install

Serving Reston, VA and surrounding areas

Approved

In business since 1958

Free estimates

Warranties offered

"Sales rep did not provide all required details for project so on day of there were surprises. I was told the rep was no longer with the company."
Basement Waterproofing
Basement Waterproofing
Waterproofed Basement
Basement Waterproofing
Crack in Basement Floor

+18

Response time1 day
8 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for JDS Home Improvement LLC
JDS Home Improvement LLC
4.5(
26
)
Egress Window - Install

Serving Reston, VA and surrounding areas

In business since 2002

Free estimates

Emergency services offered

"I recently had an egress window installed in my home by JDS Home Improvement. I purchased the Rockwell Egress Window. This window brings in a lot of natural light and it's just beautiful! Jordan Jones put a hanger inside the cover of the window so I could hang a plant. Jordan,Joshua Jones and all of the work crew were very professional and kind. The quality of the work is superb. I even had a custom closet made that l am very pleased with. The installation of the window was completed in a few days. The staff cleaned up well. Due to the heavy equipment used,part of my lawn was affected. JDS planted grass seed and the grass has already sprouted in just a few days. If it were not for Jordan, this project would not have been possible. It is without reservation that I highly recommend JDS Home Improvement. I'm looking forward to using JDS Home Improvement for my next project."
Additional Photos
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Additional Photos

+18

Recommended by88%of homeowners
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Egress Windows FAQs, answered by experts

The cost to install a bow window can range from $1,500 to $15,000, with a national average of $3,900. The total price includes materials, which can cost between $1,200 and over $14,000, and labor, which typically adds $300 to $1,900. Several factors influence the final cost, including the window's size and frame material. For example, vinyl frames are the most budget-friendly option, while wood frames are more expensive. Custom features or energy-efficient upgrades will also increase the price. For comparison, a bay window installation typically costs between $1,000 and $7,000.

Yes, egress windows must meet local building codes for size and accessibility. Professional installers ensure compliance.

The proper way to install a window well is to measure the window, dig a hole deeper and wider than the window, place a drainage tube and cap, anchor the well to the foundation, caulk the seam, and backfill the hole. The job requires tools such as a hammer drill and auger and some heavy digging. Proper placement and window well installation are critical to preventing water from leaking into the window.

There are a few ways to save money on egress window installation. First, choosing pre-fabricated windows instead of custom windows can help dramatically reduce the overall cost. In addition, skipping window extras, like customized frames or window film, can help save money on the price tag without sacrificing the window itself. You should also shop around to multiple window installers to find the best installation deal without sacrificing the quality of the window.

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 Reston, VA homeowners’ guide to egress window services

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