The University of Dayton's campus is located on approximately The campus includes 38 academic, research, athletic, and administrative buildings; five residence halls; 18 student apartment complexes; and 473 houses (347 of which are owned by the university).
Historic campus At the center of campus are St. Mary's Hall and the Immaculate Conception Chapel, whose blue cupola inspired the university's logo. In its early years, St. Mary's served as a dormitory and classroom; today, it holds the offices of the bursar, human resources, president, provost, and services for current students such as financial aid, registration, student employment, and veterans services. St. Joseph Hall was built in 1884 as a residence hall. The interior was destroyed in a fire in 1987 and reopened in 1989. It houses the classrooms and offices for the social sciences and the university's Fitz Center for Leadership in Community. Chaminade Hall, built in 1904, was named for
William Joseph Chaminade, the founder of the
Society of Mary. Chaminade Hall originally quartered senior students, and most recently housed the teacher education program before several years of vacancy which concluded with its demolition in the summer of 2025. The University of Dayton demolished this historic structure to create green space where it once stood. The university will continue to honor the memory of Chaminade by naming any future structures in this space after him. Kettering Labs is home to the School of Engineering. Named after engineer and inventor Eugene Kettering, it includes classrooms, labs, offices, a machine shop, a wind tunnel, and the Innovation Center. The Jesse Philips Humanities Center was built in 1993 and named for former university trustee Jesse Philips. It houses academic departments including American studies, English, history, languages, philosophy, and religious studies. It contains 20 classrooms, two computer centers, an international language lab, and a 180-seat recital hall. The Science Center (the joint name for Sherman Hall, Wohlleben Hall, and a connecting central atrium) is home to the math, biology, physics, chemistry, geology, and pre-medicine departments. Keller Hall opened in 1997 and is home to the University of Dayton School of Law. It has classrooms, offices, courtrooms, and a law library. The Central Mall is seven acres of green space at the heart of campus, surrounded by several academic and residential buildings. Renovation was completed in 2010. The Roesch Library houses the university's main library, the
Marian Library (which has the world's largest collection of materials on Mary, the mother of Jesus), and the Ryan C. Harris Learning Teaching Center that includes team meeting spaces, distance learning and a student-run coffee shop. The print and electronic collections in Roesch Library include more than 1.3 million books and 69,000 journals. The RecPlex opened in 2006. The building's amenities include aerobics and cardiovascular rooms, a climbing wall, courts for basketball, floor hockey, lacrosse, racquetball, tennis and volleyball; an eight-lane swimming pool, indoor track, weight room, locker room, and lounge. and was once known as the Fieldhouse prior to the construction of the University of Dayton Arena. Stuart Field was updated in 2011 with a synthetic turf to accommodate intramural and club sports.
Campus West In 2005, the University of Dayton purchased land and buildings adjacent to the western border of the historic campus. The $25 million purchase from
NCR Corp. added 49 acres and increased the campus size nearly 25 percent. Raymond L. Fitz Hall (formerly known as College Park Center) is the primary building on this section of campus. It houses a variety of campus offices and academic departments including UD Department of Public Safety (Police Department, Parking Services, and
Student Volunteer Rescue Squad), facilities department; music and theater; visual arts; doctor of physical therapy;
Dayton Early College Academy (DECA)
charter school; physician assistant program; research labs; and the School of Education and Health Sciences. The Graul Tennis Complex was completed in 2010 and features six regulation tennis courts, bleacher seating, restrooms, and changing facilities.
GE Aviation broke ground on a $51 million, research facility in 2011 on the western edge of Campus West. The Electrical Power Integrated Systems Research and Development Center (EPISCENTER) opened in early 2014. The university's researchers work with GE to develop and deploy computer modeling, simulation and analysis of advanced, dynamic electric power systems design, and controls. The center is directed at several markets including end-to-end electrical power starter/ generation, conversion, distribution, and load technologies for civil and military aerospace applications.
Emerson Climate Technologies, a business of Emerson, announced its intent in 2014 to move forward with plans to build and support an innovation center at the University of Dayton to advance research and education for the global heating, ventilation, air conditioning and refrigeration (HVACR) industry. The center is located at the corner of Main and Stewart streets on nearly five acres of university-owned land. The campus also includes several acres of undeveloped property.
River Campus At the end of 2009, the university added to campus when it purchased NCR Corp's former world headquarters, which included a building, 1,600-space parking lot, and a park and nature preserve. The former HQ and came under acquisition of the University of Dayton at a purchase price of $18 million. The principal structure, Daniel J. Curran Place, located at 1700 S. Patterson Boulevard Dayton, OH 45409 ("Curran Place"), headquarters the University of Dayton Research Institute and houses the Center for Leadership, classrooms used by Master of Business Administration, School of Education, and Health Sciences programs, the Osher Lifelong Learning Institute, and the Alumni Center, among other offices.
Arena Sports Complex The University of Dayton Sports Complex is located on the western edge of the campus, west of the Great Miami River and east of Interstate 75. It includes the
University of Dayton Arena, with a
seating capacity of 13,409, fields for men's baseball and women's softball, and
Welcome Stadium, an 11,000-seat multi-purpose stadium owned by
Dayton Public Schools that includes a football field and track used by all Dayton public high schools as well as the Dayton Flyers football team. ==Academics==