Senate Square Apartments for rent in Saint Louis, MO on ForRent.com: (866) 507-8154 - Availability, pricing and special promotions subject to change daily. Apartments in Soulard. Welcome to Senate Square Apartments in the Soulard area of St. Louis, MO. We offer 1, 2 and 3 bedroom apartments, Townhomes and lofts. Apartment amenities include 4 laundry facilities, off-street parking, vaulted ceilings and private entries. We are just minutes to fine dining, Union Station, Forest Park, Downtown St. Louis, Anheuser-Busch, AG Edwards and many other major employers. Come experience the Senate Square apartments in St. Louis...you will be glad you did.