Capitol Grounds Coffee is a family-owned brand of coffee shops based in the Washington, DC metropolitan area. Our Dulles Airport location is our first foray into the world of aviation, and we hope you will come in and try our environmentally friendly, yet delicious, coffee or one of our other specialty drinks like our chai latte. While here, be sure to check out our assorted varieties of sandwiches, smoothies and other snacks to keep you going for the rest of your journey.