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

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Last update on January 31, 2026

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

Avatar for Tri-State Basement Repair and Waterproofing, LLC
Tri-State Basement Repair and Waterproofing, LLC
3.2(
50
)
Egress Window - Install

Serving Lancaster, WI and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"Competent quality work with professionalism and great customer service."
Response time6 days
20 neighbors recently requested a quote
Recommended by88%of homeowners
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Egress Windows FAQs, answered by experts

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.  

Adding windows to a house is expensive. Budget roughly $5,800 to add a single window, and double or triple that to add two or three. In some cases, adding a single window can exceed $20,000, depending on the type of exterior wall, the size of the window, the type of window, local permit costs, and other factors.

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

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.

Costs depend on window size, type, material, and labor. Custom shapes or sizes typically incur higher expenses; full installation includes removing old windows.

The Lancaster, WI 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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