Grosvenor Park I Condominium 10201 Grosvenor Pl, Rockville, MD20852 Grosvenor Park I Condominium is situated among the other Grosvener Towers. You'll know it by its American flag and its…More bed of flowers outside. The is white and modern in design, with several blue balconies. The condominiums contain tennis courts, a pool, and other recreational facilities. The front desk is open five days a week.