Home additions

Need more space? Let’s expand

your home!

We offer turnkey home addition services in Roslyn, Cle Elum, WA and all of Kittitas County

Building a home addition is one of the best ways to improve your property. Whether you need another bedroom or you want a dedicated outdoor space, Coal Mountain Builders can help. We offer turnkey home addition services to meet your specific needs. If you live in Roslyn, Cle Elum, WA or anywhere else in Kittitas County, we’re here to help make your house perfect for your family.

How we can upgrade your home

From building a deck to extending your kitchen, there are so many ways to expand your floor plan. And because we offer turnkey home addition services, we’ll handle the entire process from start to finish. Contact us today to get a quote on:


  • Bedroom addition services
  • Kitchen addition services
  • Room addition services
  • Deck building services


You can send us an email by using the form on the Contact page.

An empty room with a lot of windows and a sliding glass door.
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