Medallion Security is family owned and operated and has been in business for over 25 years building and installing doors, security doors, fences, gutters, windows, decks, retractable awnings, pavers and more. Our Maryland, Virginia, and D.C. home improvement business can help you make over your home with upgrades both large and small - from adding an entire room to installing a single door.

Our home improvements in Maryland, Virginia, and D.C. are designed to withstand the elements of the harsh Northeast winters and hold up for many years to come. Come see why we're the #1 name in the home improvement business, and let us help you make your house a home.

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