We are a community of 93 luxury townhouses in a prime location in Washington DC, near the L'Enfant Plaza Metro station, on the S.W. Waterfront, a few blocks away from the National Mall and a short drive away from the Washington Nationals Stadium. Map showing our location. Contact our property Management company - GHA Community Management. If you are an owner or resident of Capitol Square you may sign into our site (register) to access Members Only information.  Make sure your name and address match our HOA records for your unit. A mismatch will prevent you from logging in. We've put our association online to provide you with more convenience. For an overview of the service and a few ideas as to how it can help save you time and get you connected with your community, click About Online Association Website Services. Simply click Sign In to access our association's Web site services now. If you are new to the Web site, be sure to complete the Sign Up information to receive a password to the private and secured portions of the site.