The Penmark is a full-service residential condominium conversion of a 19th-century school building in Boston's South End neighborhood off Franklin Square from 2008. Units range from 1- to 2-bedroom in layout with high ceilings, open floor plans, large windows, high-end contemporary kitchens/baths, sophisticated architectural details, and in-unit laundry. The association comprises 58 residences on four floors with amenities such as concierge services, courtyard, elevator, gym, security, storage, and garage parking. The Penmark is pet-friendly with restrictions.