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Avatar for Groundworks
Groundworks
4.6(
19
)
Egress Window - Install

Serving Mill Valley, CA and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"Job went very well with good communication and done quickly. My crew was Devone and Gabe - very nice, knowledgeable and respectful. My house is now level and feels stonger to me."
Basement
Basement
Basement
Basement
Foundation

+16

164 neighbors recently requested a quote
Recommended by58%of homeowners
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.6(
36
)
Egress Window - Install

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"Leo was very helpful and quick to respond. We’re happy with how our 2 bathrooms turned out. Project was completed within the time promised. Our only complaint is that the workers did not clean up very well. But overall, we’re satisfied and we’ll use them again."
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+1

Response time6 hrs
Recommended by18%of homeowners
Maximo Construction
4.6(
7
)
Egress Window - Install

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Maximo Construction gave us a great bid, has competent and friendly workers, kept to the agreed upon schedule, and turned out exceptional products in our new composite deck and pergola. Maximo engineered the pergola to hold retractable canopy panels. The pergola is extremely sturdy, symmetrical, and aesthetic. His communication was excellent throughout the entire project. I could not recommend him and his company highly enough. I will definitely hire him/them again!"
Response time2 days
Recommended by85%of homeowners
RSF Construction Inc.
1.0(
1
)
Egress Window - Install

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

Palm Construction, Inc.
5.0(
90
)
Egress Window - Install

Serving Mill Valley, CA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"We worked with Ali (sales manager) and Tony (project manager), who took the time to design a project that made sense for our property and our budget, made a number of suggestions and recommendations and were never pushy or tried to "sell" us on something. The crew really went above and beyond to provide top quality workmanship and overall we were in very good hands. Highly recommended!"
Recommended by100%of homeowners
Showing 1-10 of 28
Egress Windows questions, answered by experts

Depending on size, material, and labor, two windows can cost between $600 and $1,600.

Yes, egress windows must meet local building codes for size and accessibility. Professional installers ensure compliance.

Yes, egress windows can significantly add value to a home. By making basement and attic areas safer and more livable, they allow you to market these spaces as finished living areas, which increases your property's value. Many homeowners can recover the full installation cost, with some sources citing a return on investment of around 70%. The exact value added depends on your specific home, location, and adherence to local building codes. Beyond financial value, egress windows enhance functionality by adding natural light and comfort. They are also a crucial safety feature, often mandated by building codes to serve as an emergency exit.

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.

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.

The Mill Valley, CA homeowners’ guide to egress window services

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