Contact Castle Sprinkler and Alarm
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, Farquier, Manassas and Manassas Park.
Maryland: Prince George’s County, Montgomery County, Howard County, Anne Arundel County, Carroll County, Frederick County, Washington County, Baltimore County, Baltimore City, Harford County, Charles County, and Calvert County.