The Polander Kempo Academy is at 5017 Wilson Ln in Bethesda, MD (map).
Mass Court is located on H St by 3rd St and Massachusetts Ave NW (map). If you walk in the main entrance on H St NW, you will see a Concierge's desk. Go past the desk and turn left. Go all the way down the hall, including through the door as well as up and down a flight of stairs, and the Yoga studio is the last door on the left. Ask the Concierge if you have trouble finding it.