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Best egress window pros near Chantilly, VA

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TRUSTED BY CHANTILLY, VA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon31
    Verified egress window services reviews

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

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

Serving Chantilly, VA and surrounding areas

Approved

In business since 1997

Free estimates

Warranties offered

"The install took 2 days which is what we were told before the work started. Everyone was great to work with and we would highly recommend them to anyone looking to have an egress window installed!"
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Comfenergy
Comfenergy
3.9(
50
)
Egress Window - Install

Serving Chantilly, VA and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"Professional, timely and experts at home comfort remediations. Ben was a pleasure to work with and quickly became a trusted advisor. The install was under a pork and deck and they did a superb job. The porch is so much more comfortable on these 46 degree mornings. Highly recommend them - you will thank yourself every morning"
Attic before
Attic after
Historic Waterford Home
Historic Plaque
Crawl space before

+6

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

Serving Chantilly, VA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"John Ast was amazing to work with. He spent a lot of time researching options for us. He would come back with detailed notes and pricing. It was a big decision for us to replace our entire house exterior with Hardy Board late last year(2017). John's crew was amazing - very thorough. There were just one or two surprises that impacted the overall budget. It has been months and not an issue. Top quality work!"
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 Chantilly, VA and surrounding areas

Approved

In business since 1958

Free estimates

Warranties offered

"They were able to advise that I did not have a basement water problem and instead diagnosed condensation for which they suggested a simple solution. They did not charge"
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 Chantilly, VA and surrounding areas

In business since 2002

Free estimates

Emergency services offered

"JDS is a fantastic company and a pleasure to work with. Jordan, the owner, came to my house to evaluate the job and provide an estimate. He was very detailed and honest in his assessment. He made various recommendations that substantially improved the setup of the systems, including some that helped reduce costs. A few days before the job was to start, I had to re-schedule due to unrelated reasons. Jordan was able to reshuffle his schedule to be able to accommodate my new timeframe. His crew was always punctual, clean, and respectful of my house. They worked very efficiently and were able to complete the job in under a week. The two windows look great and have substantially improved the feeling of the basement, I would highly recommend JDS to anyone looking into egress windows. Outstanding experience!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+18

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

DIY is possible for experienced individuals. Professional installation ensures compliance with building codes and proper sealing.

Yes, you can always make an existing window bigger, but the job complexity varies widely depending on the location of the window and the framing around it. Exterior walls are always load-bearing, so making windows wider will require structural changes that make for a more complex but doable project. Making windows taller often won’t require structural changes.

Egress windows are typically required for basements with habitable space or living quarters. Not all basements or lower levels require egress windows. However, egress windows are required in homes with living spaces such as bedrooms and living rooms in a basement. The International Residential Code and International Building Code require sleeping rooms to have a specific size egress window. Check your local building codes to confirm the requirements in your area.

There are a range of egress window types available, including:

  • Single-hung: $100–$400

  • Double-hung: $250–$500

  • Horizontal/sliding: $150–$800

  • Casement: $200–$500

  • In-swing: $350–$700

When choosing a type of egress window, consider how you’d like to open it. For example, double-hung egress windows open from top to bottom and let plenty of fresh air in, whereas sliding windows slide open for easy access.  

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.

The Chantilly, VA homeowners’ guide to egress window services

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