Located within the Castleton Park complex, Building 21 offers a professional multi-story office environment in the heart of Indianapolis’ busiest commercial corridor. This Class B office building combines value and convenience, enhanced by Energy Star certifications for multiple years, underscoring its operational efficiency and sustainability commitment. Tenants enjoy a favorable 5/1,000 parking ratio and a full-service lease structure for streamlined occupancy. The property’s strategic address provides direct connectivity to I-465 and I-69, offering seamless accessibility across the Indianapolis metro. Castleton Park’s comprehensive amenity package includes abundant retail, popular restaurants, and diverse entertainment options nearby, making it an attractive destination for both employees and clients. On-site features include professional property management, superior maintenance, and a 100-person conference facility, ideal for business functions. Additional service-oriented amenities—such as full-service daycare—support workforce productivity and convenience. Positioned in an established employment hub with a robust local workforce, Castleton Park is surrounded by major retail anchors and hospitality venues, including Castleton Square Mall. This highly visible office location enables businesses to optimize cost efficiency while benefiting from a well-connected and amenity-rich environment.