(301) 927-7300
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Contact Castle Sprinkler and Alarm

New and existing customers can request a service call from Castle Sprinkler and Alarm using the contact form on this page. For general inquiries, please visit the Contact Us page. We can be reached by phone, mail, and email using the following contact information:

(301) 927-7300
5114 College Ave
College Park, MD, 20740
[email protected]

Our Service Region:

Castle Sprinkler and Alarm proudly services the entire District of Columbia plus Northern Virginia and Suburban Maryland:

Virginia: Arlington County, Fairfax County, Loudoun County, Prince William County and the Cities of Alexandria, Fairfax, Falls Church Manassas and Manassas Park

Maryland: Prince George’s County, Montgomery County, Howard County and Anne Arundel County

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