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Contact Us:
Montgomery Co. & DC Metro:
301-652-4500
Baltimore & Annapolis :
410-774-0873
Northern Virginia:
703-579-8823
Frederick County, MD:
301-698-5090
Fax: 301-652-4425
Email: Service@HallmarkWindows.com
Main Offices:
Frederick
510 S. Market Street
Frederick, MD 21701
Bethesda
10411 Motor City Drive, Suite 610
Bethesda, MD 20817
Our Service area includes Northern Virginia, Central Maryland and Washington D.C. here is a map showing our territory coverage in purple:
 Request a free, no-obligation quote.
We are fully licensed, bonded and insured, and have great references.
Have questions? Call us or send us an email! We are happy to help.
Hallmark Windows and Siding is a local family owned and operated company servicing Maryland, DC and Virginia. We specialize in thermal replacement windows, insulated vinyl and fiber cement siding, and all styles of roofing.
We are the premier dealer and installers for over 20 manufacturers including CertainTeed Windows, CertainTeed Siding, Vytex Windows, Gorel Windows, weathershield windows, James Hardie Fiber Cement and many others!
We can offer a greater number of options and choices to our customers because of our extensive product line. Most of our products come with a Lifetime Warranty and HALLMARK backs our work with a 10 year Labor Guarantee. HALLMARK is dedicated to providing the highest level of service to all our customers. Since 1994, we have had over 5,000 customers who trusted HALLMARK for their home improvement needs. Please give us the opportunity to work on your next home improvement project.
We accept the following forms of payment: Cash, Check, Visa, MasterCard and Financing is Available!
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