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*The Angi rating for Egress Window Service companies in Lakeside, MT 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 Lakeside, MT 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 February 18, 2026

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Avatar for Eaton Consolidated
Eaton Consolidated
5.0(
6
)

Serving Lakeside, MT and surrounding areas

Approved

"Chad and Scott did a fantastic job, from concept to completion of our project. We needed an interior wall, framing, door, drywall, texture, & painting, & all the details to enclose our kitchen from our entry. They understood our concept, and had the work done from start to finish in 2 weeks. Meticulous, detail-oriented, polite, & fun to have them here in our home are how we would describe our relationship with Chad & Scott. They even let us keep adding other small projects along with the wall construction, always being cheerful & accommodating. We would definitely recommend them to our friends & neighbors for any projects! Susan & Larry"
Shop front
Kitchen
Butler nook
Master bedroom
Master bath

+6

Response time1 day
Response rate100%
3 neighbors recently requested a quote
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Avatar for TCH Builders & Remodeling
TCH Builders & Remodeling
4.0(
2
)

Serving Lakeside, MT and surrounding areas

In business since 1999

Emergency services offered

Credit card accepted

If you dream it, we can build it. What's the biggest difference between us and them? We build to last! We offer a full line of Green and Energy Star Certified products, backed by our labor and manufacturer's lifetime transferable warranties. Credit Cards Welcome Financing Available OAC.

Recommended by100%of homeowners
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Egress Windows questions, 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.

The entire window replacement process, from the initial consultation to the final installation, typically takes between four and 15 weeks. This timeline accounts for measuring appointments, ordering, and manufacturing. On the day of the job, the physical installation takes about 30 minutes to two hours per window. A full-house replacement can take one to three days to complete. Factors that can extend this timeline include the total number of windows, custom sizes, complex window types, second-story installations, and any necessary repairs to existing window frames or openings.

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.  

Yes, egress windows are grandfathered. However, this comes with some specifications. If you are remodeling a basement or adding a sleeping area, you’ll need to update the egress windows to be up to proper code. But, if you’re leaving your home as is, you do not have to adhere to these requirements.

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

The Lakeside, MT 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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