Capable.
Experienced.
Fair to you.
We're exterior home remodelers providing quality products, expert installation, and lifetime manufacturer backed warranties. All for a fair price.
![Team photo of Capitol Improvements.](https://cdn.prod.website-files.com/64bd6cb099271195afd55550/65021b1a181a90ff403a3ed6_image_home-hero-team.webp)
Serving Maryland and Washington, DC.
Exterior remodeling contractors serving Maryland & DC.
We provide residential roofing, siding, windows, gutters, exterior trim, decks, patios, and doors all over Maryland and Washington DC.
Capitol Improvements Roofing & Siding Contractors is a family-owned and operated business. Our headquarters is located in Bowie, MD, with other locations in Gaithersburg, MD, Pasadena, MD, and Crownsville, MD.
We don’t just work for you, we work with you.
We’re a family here at Capitol Improvements, and we treat you like family too. Whether you’re overwhelmed with an immediate need or looking to refresh your home, our experts will provide clarity and lasting solutions for your specific needs.
Roofing
Siding
Windows
Trim
Gutters
A lifetime warranty requires a lifetime of training.
We meet the highest standard in continual training to offer you manufacturer backed warranties. All services include a limited or transferrable lifetime warranty.
LEARN MORE >Learn more![Roofer being trained by Mule-Hide flat roof technician](https://cdn.prod.website-files.com/64bd6cb099271195afd55550/650220ffe6c5e7bf719fff3f_image_home-lifetime-training.webp)
Financing made easy.
You won't pay a dime until the project is completed, with payments as low as $99/month.1 Getting approved is quick and easy.
Learn moreLEARN MORE >![](https://cdn.prod.website-files.com/64bd6cb099271195afd55550/650285e0e0a72ede5b4aff70_image_home-handshake-lance.webp)
![Installing new siding on ladder.](https://cdn.prod.website-files.com/64bd6cb099271195afd55550/65029b7e350a4e4b6feb1421_image_home-crew-siding-ladder.webp)
TRUSTED BY THOUSANDS OF LOCAL HOMEOWNERS
Get your project started today
Common Questions
Our services include residential and commercial replacement of roofing, flat roofing, siding, windows, gutters and gutter guards, and exterior trim. We
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