Bay Square is a full-service residential condominium development situated in Cambridge between Harvard and Central Squares on Mass Avenue completed in 1988. Units vary from studios to two bedrooms with different floor plans, some with fireplaces. The association comprises 113 luxe residences on six floors with amenities like 24/7 concierge services, fitness center, pool, on-site superintendent, elevator, storage, parking, and security. Bay Square is not pet-friendly.