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Replacement Windows

Hallmark Windows and Siding’s experienced teams of replacement window installers install several brands of wood and vinyl replacement windows in Maryland, Northern Virginia, and Washington D.C. This allows us to offer customers a variety of window styles, energy-efficient glass options, and colors, with lifetime manufacturer warranties at the best price points. We have installed over 100,000 windows since 1994.

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20% OFF Window Replacements!
Offer ends May 31, 2024
Top 500 Remodelers
Top 200 Exterior Contractors
Discounts for Military and First Responders


  • 5 Star and A+ Consumer Ratings From Our Customers.
  • Family Owned and Operated in the Metro Washington DC-Area for Over 25 Years.
  • Licensed, Bonded and Insured.
  • References in YOUR NEIGHBORHOOD.
  • A Variety of Price Points to Fit Any Budget.
  • Material, Labor and Performance Warranties on all installations.
  • Excellent Manufacturer’s Warranties, Such as This Lifetime Warranty from Vytex Windows.
  • We Also Install James Hardie Siding and Vinyl Siding.
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Types of House Windows We Install

Double Hung

Our more popular replacement window option, double hung windows are engineered using state-of-the-art multi-million dollar robotic equipment. We offer several brands including Vytex Fortis vinyl windows.


Easy to clean and maintain, our replacement windows are built so durably, you can expect decades of consistent, reliable operation.


You can enjoy all the same benefits of other vertical opening windows with these vinyl replacement windows that slide horizontally.


Strong, durable vinyl bay windows customized specifically for your home. Save on energy bills while making a statement.


Similar to bays, bow windows have gradual curves not sharper angles, adding beauty to your home.


A replacement window option that provides the perfect place to showcase plants, grow herbs or simply add sunlight.

Specialty Shapes

Picture windows designed to fit unique openings. Selection includes half-circle, hexagon and triangle shapes.

Recent Installations
What Other Are Saying

The project went fantastic overall. From the estimate to completion we are very happy. This is certainly a company that has great customer service and installation. Highly recommend.

Hallmark Windows and Siding was terrific. We were very impressed with Hallmark. The price was thousands lower than their competitors. The service was fast and top rate. Hallmark quickly addressed repair follow-ups. The products are beautiful, super functional, and have...

Eddie Hall, one of the owners, came out to discuss our options and take preliminary measurements. He was very friendly and up-front about all of our options, the pros and cons of different types of windows, and about pricing. He worked with us to determine the best...

This is actually the second time I have had them out. They are great. Their product is great, service is excellent and price is very good. I would use them again in the future if necessary.

They did a very good job at a very good price. They were responsive to my needs. They were knowledgeable, knew what to do and how to do it. They cleaned up nicely.

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