Our Exterior Work Builds Your Interior Happiness™

Mill Creek Siding Service and Exterior Contractor | Cobalt Exteriors

the integrity of your property and when it comes to protecting your property, you need an experienced exterior contractor.

Cobalt Exteriors, Inc. is the local choice for exterior siding and construction. Our licensed and skilled crews handle new windows, roof repairs, and siding installation in residential and commercial settings.

We aim to offer these necessary products at prices that are affordable and ensure that you are getting the most value from your home or business. Let our teams help you keep your home protected from the weather with siding repair and installation.

Why Choose Cobalt Exteriors?

Cobalt Exteriors, Inc. has helped thousands of residential and commercial customers update their homes and businesses over more than 30 years of service to the community of Mill Creek, WA.

We carry the widest variety of products so you can find exactly what you need and we install them to the highest level of craftsmanship. With the help of our teams, home and business owners are recognizing the value of their property through curb appeal and integrity. Protect your property with the best. Let our qualified crews handle your siding installation, roofing, and window needs. 

We Have a Solution for You!

Is your roof leaky or damaged? Do you need help designing and installing your new deck or outside lounging area? At Cobalt Exteriors, Inc. we offer a range of solutions, including:

“We had the house completely re-sided with Hardie backer. The work was done in 2 days and everything was perfect. They had a great team and when questions came up they discussed it with us. I would use and recommend them to anyone.”

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Top-Notch Renovations

Since 1989

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“Communication is huge for me. They were great from start to finish. There were some delays due to products being delayed, Covid blah blah blah, but they were sure to keep me informed along the way. I change my mind about a design mid project and they had no problem re-doing it for me. Oops! Super friendly staff and owners. I highly recommend!”

“We had the house completely re-sided with Hardie backer. The work was done in 2 days and everything was perfect. They had a great team and when questions came up they discussed it with us. I would use and recommend them to anyone.”

“Needing a new roof, I put the job out for bid. The Colbalt Exteriors company was selected to do the job. I found the company professional not only the leadership, but the crew also. The cost was reasonable and fair. and most importantly the quality of the work was outstanding. Working with Kevin and Corbin was a pleasure.”