Work with the best exterior contractors in Renton when you call Cobalt Exteriors, Inc. for all your siding, window, and decking needs.
As a homeowner, it’s important to know who to call when you need help with the outside of your home. While you may not realize it, things like your windows and siding can have a big impact on the comfort inside your home. Whether they’re allowing moisture into your property or letting the cool air escape, you’re going to need professional care to get your home back in working order. At Cobalt Exteriors, Inc., we are your reliable Renton contractors. We offer a range of services, including siding installation, window replacement, deck design, and even roofing services, helping your home stay in the best shape possible.
Signs Your Siding Needs Replacing
Your home’s siding is the first thing you see outside of your home, and it plays a major role in your curb appeal. As it deteriorates over time, it could lead your home susceptible to repair issues.
Call our contractors if:
- Your energy bills are inexplicably on the rise
- There’s a mildew smell inside your home
- There are moisture stains on walls and baseboards
- Your siding is sagging or cracked
The biggest concern for any siding repair issue is always that it allows moisture inside your home. Excess moisture can damage walls, ceilings, and floors, while also putting your home at risk for mold growth. At Cobalt Exteriors, Inc. we offer siding installation and repair services, keeping your home protected at all times.


Why Choose Cobalt Exteriors?
For over 30 years, we’ve been helping homeowners in and around the Woodinville area with all their exterior needs. With every service call you can expect:
- Top-Rated Materials: Whether you’re replacing your siding or building a deck, we only use the best materials on the market. We work with major brands, including Milgard Windows and Doors, TimberTech Decking, James Hardie Siding Products, and many more!
- Honest Work Ethic: Our contractors are honest and reliable, giving you trustworthy advice with every service. We never start work without first explaining the process to your thoroughly, so you have peace of mind knowing there won’t be any “surprises.”
- Affordable Pricing: We do our best to work within your budget to find an affordable solution regardless of your home needs. We always offer a range of solutions so you can choose exactly what’s right for you.
- Immediate Attention: When you’re dealing with a repair concern like a leaky roof or damaged siding, you don’t want to wait hours or days for service. We always arrive promptly and get to work providing you with a work estimate or repair solution to get your home back up and running.
- Long-Lasting Results: No homeowner wants to pay for a service only to need a repair soon after. We provide safe and long-lasting work so you can enjoy the peace of mind you deserve in your own home.
At Cobalt Exteriors, Inc. we’re a family owned and operated business. We always provide honest services and work hard to ensure you’re 100% satisfied with our work. So the next time you’re looking for the right exterior contractor, call us first!
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:
Custom Deck Installation
If you’re big into family gatherings and hosting, but wish you had more space to accommodate your guests, you might be in luck! A custom-built deck is the best way to add value to your home, while also adding practical space you can use for a party. However, designing and installing a deck can be a challenge without the right know-how. At Cobalt Exteriors, Inc. we’re here to help.
Using the best materials on the market, we can help you design the perfect deck for your home. Personalized to your home needs, our decks are built to last and provide your home with practical comfort you deserve. We back all our work with our satisfaction guarantees, giving you that dream backyard you’ve always wanted!
Your Exterior Experts
At Cobalt Exteriors, Inc. our goal is to always provide your Renton home with the best services around. Whether you’re installing new siding, replacing old windows, or just in need of a second opinion, you can count on our staff to keep your home comfortable and looking its best. We only use the best materials and custom tailor our work to suit your needs. With over 30 years of expertise in the Renton area, you can count on our staff to help when you need it most!
