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*The Angi rating for Egress Window Service companies in Bow, WA 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 Bow, WA 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 01, 2025

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Avatar for Puget Sound Excavating, LLC
Puget Sound Excavating, LLC
5.0(
12
)
Egress Window - Install

Serving Bow, WA and surrounding areas

In business since 2021

Free estimates

Credit card accepted

"Piglet Sound Excavating did a wonderful job! They were prompt and did a high quality job. We were very satisfied with their work and would recommend them to anyone."
Before and After Foundation Prep
Ready for the Foundation
Fabric and Fill
Driveway Install
This phase is complete!

+1

Response time2 days
Recommended by72%of homeowners
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Avatar for Nirvana Builders, LLC
Nirvana Builders, LLC
1.0(
1
)
Egress Window - Install

Serving Bow, WA and surrounding areas

In business since 2023

Free estimates

NIRVANA BUILDERS LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals

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Avatar for Expert Home Builders, Inc.
Expert Home Builders, Inc.
0.5(
1
)
Egress Window - Install

Serving Bow, WA and surrounding areas

In business since 2019

Free estimates

Emergency services offered

With multiple years of experience, David and the Expert Home Builders team can take on any project. They make sure to leave each customer with a smile.

Remodeling bathroom
Remodeling kitchen
concrete
Response time2 days
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Egress Windows questions, answered by experts

You install a window well 8 to 12 inches deeper than the base of the window sill. After filling the well with drainage rock, the well should sit 3 inches below the bottom of the window. The top of the window well should also be at least 3 inches higher than the surface-grade ground. The window well should be about 6 inches wider than the window opening.

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.  

A good U-factor for windows is 0.30 or lower, but they can range from 0.20 to 1.20. A general rule of thumb when it comes to the U-factor is that the lower, the better.

Installing a window well costs anywhere from $500 to $1,500 or more. Adding an egress window and well runs about $3,900 on average. Adding a window well cover to the project can add $200 to $700. A well cover helps protect your egress windows from weather damage and keeps them clear of dirt, debris, and wildlife.

Most professionals can install a window well in two to three days, depending on the size of the well and the window you want inside it. If you’re just replacing an existing window well, the work is much less intensive, and most experts can get the job done in just one day. Connecting the window well to a drainage system or installing a custom concrete window well will naturally take longer, but even the most complicated installations shouldn’t take more than three days.

The Bow, WA 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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