Capitol Improvements | Door Replacement Near You in Frederick MD

Capable.
Experienced.
Fair to you.

We're door installers in Frederick Maryland providing quality products, professional installation, and lifetime manufacturer backed warranties. All for a fair price.

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Doors - Frederick - MD

Recent door replacement in Frederick

Custom Cellar Door

Not everyone needs a custom cellar door in fact most homes do not. This project is from a custom door installation. Whether you have to replace your front entry door or have a unique project we have the expertise to get the job done right!

Front Door Replacement Near You in Frederick Maryland
Front Door Replacement Frederick Maryland
Door Replacement Frederick Maryland

30+ Years’ Experience

Thousands of satisfied home owners across Maryland and DC.

Lifetime Warranties

Highly certified with Atlas, GAF, Mastic, James Hardie & more.

Value Focused

A family team proud to deliver excellence at a fair price.

Services we offer

We offer replacement services for roofing, siding, windows, gutters, exterior trim, decks, patios, and doors.

Front Entry Doors

A new entry door is an investment in the safety, comfort, and enjoyment of those inside your home, and an opportunity to create a more welcoming entry experience while increasing curb appeal. Learn more.

Storm Doors

Front entry doors are a major investment. Protect that investment with a storm door. Storm doors not only protect but allow you to leave the door open and bring in natural light during those pleasant Spring days. Learn more.

French Doors

French doors are a stylish and energy efficient way to bring the outdoors in. With many styles, color, and accessories we can install the french doors that are custom fit for your home and perfect for your lifestyle. Learn more.

Sliding Glass Doors

Sliding glass doors are a energy efficient way to bring a ton of natural light into your home. We can customize them with different colors, styles, and even with blinds inside the door panels. Learn more.

Bi-Fold Doors

Bi-fold doors are unique and really bring the outdoors in in a way that no other product can. Learn more.

Custom Exterior Doors

Our manufacturers are able to produce custom exterior doors. We can handle your entire window and door exterior envelope. Learn more.

Patio Doors

A wide range of patio door options for your home. We can help bring the outside in and improve your homes natural light with a new patio door. Learn more.

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Jason & Gerson
Project Consultant & Foreman Serving Frederick

We serve Frederick MD

Our Gaithersburg location serves Frederick MD and the greater Montgomery County with our full line of services.

Local Review near Frederick Maryland

"Capitol Improvements put in a sliding glass door for us. Very professional and detailed work. We are very pleased with the quality of the work done. Jason answered all of my questions and addressed my concerns in a professional manner. The crew were very professional as well. I highly recommend Capitol Improvements for any work that you may need to have done."

Allison Davis
Google Review
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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

Let's start your project

We'll answer your questions and get you what you need to get your project done right.

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