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*The Angi rating for Egress Window Service companies in Williamsburg, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Egress Window Service needs.

*The HomeAdvisor rating for Egress Window Service companies in Williamsburg, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Egress Window Service needs.

Last update on October 29, 2026

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

West Penn Windows & Doors
4.7(
19
)
Egress Window - Install

Serving Williamsburg, PA and surrounding areas

In business since 1985

Free estimates

Credit card accepted

"I was very pleased with my finished products I had waited a very long time to have a bathroom installed on the first floor. The problem was that I had very little space where it could be placed. I worked with Jake from West Penn who designed a perfect small bathroom for me when others said it couldn't be done......and it turned out to be not only modern and functional but BEAUTIFUL too! They also remodeled the adjacent laundry room and entrance and added a closet that, when completed, blended in perfectly with the room decor. I was very pleased with all that was done. Jake was easy to work with and provided helpful suggestions that I appreciated and used. The workers were super -- personable, skilled and professional, and punctual as well. As is often the case when working on an old house, there were a few unexpected problems that needed addressed before work on the bathroom could continue. I was both grateful and impressed that when the job was finished I was not charged a single penney above the price that I was quoted at the beginning. I would definitely recommend this company to anyone. In fact I have done just that and they are now contracted to do several projects for my daughter. Thank you so much Jake and staff!"
Response time4 hrs
Recommended by100%of homeowners
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Egress Windows FAQs, answered by experts

Most professionals can enlarge a window in five to 10 hours, depending on the window location, the exterior wall material, how easy it is to cut through it, and how much buildback you’ll need after the installation is complete. However, more complex projects can take two to three days from start to finish.

Because egress windows are meant for emergency exiting and entering, they need to be an accessible size. The smallest an egress window is allowed to be is 15 inches in width and height, with an opening of around 4 square feet.

New window installation costs range from $300 to $1,500 per window, depending on size, material, and energy efficiency features.

Expect excavation below grade, creating a well for access, weatherproofing, and thorough inspections during setup.

If improperly installed, an egress window can compromise your foundation’s structural integrity, so it’s important to work with a pro to ensure your foundation remains in good shape. Any money you may save on a DIY egress window installation may cost you in the long run if your foundation is damaged in the process.

The Williamsburg, PA homeowners’ guide to egress window services

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

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