| Champaign and Urbana Institute Building / Old Main University Building | 1860 |
| Farm House / Mumford House | 1870 |
| Mechanic and Military Hall | 1871 |
| New University Building | 1871 |
| Architecture Library / Ricker Library | 1873 |
| Morrow Plots | 1876 |
| Chemical Laboratory / Harker Hall | 1878 |
| Botany Greenhouse | 1878 |
| Illinois Field / South Illinois Field and Radio Transmission Laboratory | 1884 |
| Halfway House / University Stop | 1885 |
| Kenny Gym and Kenny Gym Annex / Drill Hall | 1890 |
| South Farms Implement Shed | 1890 |
| South Farms Animal Husbandry House | 1890 |
| Nathan Clifford Ricker House | 1892 |
| Natural History Building | 1892 |
| Engineering Hall | 1894 |
| Metal Shop / Aeronautical Lab "B" / Machinery Hall / Machine Tool Laboratory | 1895 |
| Observatory | 1895 |
| General Horse Barn | 1895 |
| President's House | 1896 |
| Library Building / Altgeld Hall | 1897 |
| Old Power Plant / Central Heat and Power Plant / New Power Plant | 1897 |
| Grounds Department Greenhouse / North Greenhouse / President's Greenhouse | 1898 |
| Electrical Engineering Building / Mechanical and Electrical Engineering Building / Electrical Engineering Research Laboratory and Annex | 1898 |
| Old Power Plant / High Voltage Laboratory and Electrical Engineering Laboratory | 1898 |
| The Farms / Robert Allerton Park | 1899 |
| Green Street | 1900 |
| Agriculture Building / Old Agriculture Building / Davenport Hall | 1901 |
| Chemistry Building / Noyes Laboratory and Chemistry Annex | 1901 |
| Mechanical Engineering Shop Laboratory / Wood Shop and Foundry Laboratory | 1901 |
| Pumping Station | 1901 |
| Theoretical and Applied Mechanics Building | 1902 |
| Swine Sheds | 1903 |
| Woman's Building / Bevier Hall / English Building | 1905 |
| Horticulture Service Building / Civil Engineering Surveying / Surveying Building | 1905 |
| Forest Science Laboratory | 1905 |
| Old Mechanical Engineering Building / Mechanical Engineering Laboratory | 1905 |
| Main Quadrangle / Quad | 1905 |
| Colonel Wolfe School | 1905 |
| Agronomy Building / Art-East Annex Studio 2 | 1905 |
| Old Entomology / Insectary | 1905 |
| Agronomy Field Laboratory | 1905 |
| Beef Cattle Barn | 1905 |
| Round Barns / Dairy Farm Historic District | 1907 |
| Illini Hall | 1907 |
| Farm Mechanics Building / Agricultural Engineering Building / Art-East Annex Studio 1 | 1907 |
| Auditorium / Foellinger Auditorium | 1907 |
| Laboratory of Physics / Mining and Metallurgy | 1908 |
| Horticultural Greenhouses | 1908 |
| Floriculture Service Building / Emergency Hospital / Isolation Hospital / Art & Design / Theatre Guild Studio | 1908 |
| Osborne Hall / Osborn Hall | 1909 |
| Lincoln Hall | 1909 |
| New Power Plant / Power House | 1910 |
| Commerce Building / Administration Building / David Dodds Henry Administration Building | 1911 |
| Work Horse Barn | 1911 |
| Animal Husbandry Barns | 1911 |
| Feed Barn | 1911 |
| University Tenant Houses | 1911 |
| Transportation Building | 1912 |
| New Armory | 1912 |
| Agronomy Greenhouse | 1912 |
| Poultry Plant | 1912 |
| Locomotive Testing Laboratory and Reservoir | 1912 |
| Bradley Arcade / Union Arcade / Arcade Building | 1912 |
| Sheep Barn and Shed | 1912 |
| Brood Mare Barn | 1912 |
| Tool Shed | 1912 |
| Stallion Barn | 1912 |
| Nuclear Engineering Laboratory | 1913 |
| Stock Judging Pavilion | 1913 |
| Locomotive Testing Laboratory / Aeronautical Laboratory | 1913 |
| Ceramic Engineering Kiln House and Mining Engineering Laboratory | 1913 |
| Horticulture Greenhouse Group / Floriculture Greenhouse Group / Vegetable and Plant Breeding Greenhouse Group | 1913 |
| Floriculture, Plant Breeding, and Vegetable Gardening / Vegetable Crops Group | 1913 |
| Horticulture Service and Greenhouse / New Agronomy Seedhouse | 1914 |
| Gregory Memorial Building / Gregory Hall | 1914 |
| John Milton Gregory's Grave | 1914 |
| Botany Annex and Greenhouse | 1914 |
| Old Agronomy Seed House | 1914 |
| Storehouse | 1914 |
| Faculty Tennis Courts | 1914 |
| Clay Tennis Courts | 1914 |
| South Tennis Courts | 1914 |
| Warehouse | 1914 |
| Ceramic Engineering Building | 1915 |
| Illini Grove | 1915 |
| Battery F Barn | 1915 |
| Busey-Evans Women's Dormitory / Woman's Residence Hall - West Residence Hall | 1916 |
| Vivarium / Experimental Zoology Laboratory | 1916 |
| Rock Garden, Flower Gardens, and Lily Pond | 1916 |
| Genetics | 1916 |
| Soil Bins | 1916 |
| Agronomy Barn | 1916 |
| Tina Weedon Smith Memorial Building / Smith Hall | 1917 |
| Cattle Feeding Plant | 1917 |
| Education Building / University High School and University High School Gymnasium | 1919 |
| Artillery Barns | 1919 |
| Television Building | 1920 |
| Police Training Institute | 1920 |
| Armory Annex / Band Building / Harding Band Building | 1921 |
| Horticulture Field Laboratory | 1921 |
| New Agriculture Building / Mumford Hall | 1922 |
| Memorial Stadium | 1922 |
| Davenport House | 1922 |
| Main Library | 1923 |
| North Garage and Shop | 1923 |
| Men's New Gymnasium / Huff Hall | 1924 |
| Warm Air Research Residence | 1924 |
| Dairy Manufactures Building | 1925 |
| Commerce Building / David Kinley Hall | 1925 |
| Residence Hall Annex | 1925 |
| McKinley Memorial University Hospital / McKinley Health Center | 1926 |
| Building for Architecture and Kindred Subjects / Architecture Building | 1926 |
| Materials Testing Laboratory / Arthur Newell Talbot Laboratory | 1928 |
| Animal Pathology | 1928 |
| Alma Mater | 1929 |
| Fireman's Training Tower | 1930 |
| Burrill Avenue | 1930 |
| Bureau of Educational Research / Bureau of Institutional Research | 1930 |
| Filtration Plant | 1930 |
| Geological Survey Lab / Nuclear Radiation Laboratory | 1931 |
| Natural Resources Building and the New Mineral Research Labs of the ISGS | 1931 |
| Women's Gymnasium / Freer Gym | 1931 |
| Ice Skating Rink / Ice Arena | 1931 |
| Physiological Psychology Laboratory / Physiology Research Laboratory | 1936 |
| Betatron / Cyclotron | 1940 |
| Fourth Street Residence Halls / Men's Residence Halls | 1940 |
| Abbott Power Plant | 1941 |
| Illini Union | 1941 |
| Highway Materials Testing Laboratory | 1942 |
| Highway Materials Research Laboratory | 1942 |
| Fine Arts-Commerce Annex | 1943 |
| Old Police Station | 1945 |
| Willard Airport | 1945 |
| Proano Stadium | 1946 |
| Nuclear Physics Laboratory / Physics Research Laboratory | 1946 |
| Women's Residence Halls / Lincoln Avenue Residence Halls | 1947 |
| Mechanical Engineering Building | 1947 |
| Bevier Hall | 1947 |
| Sixth Street Cafeteria / Illini Union Coffee House | 1947 |
| Illinois Street Parking Lot | 1948 |
| Digital Computer Laboratory / DCL | 1949 |
| Faculty Staff Houses | 1949 |
| Electrical Engineering Building / Everitt | 1949 |
| Animal Sciences | 1950 |
| Veterinary Medicine Complex | 1950 |
| Illini Village | 1950 |
| Parade Ground Housing Units | 1950 |
| Men's University Club and Women's University Club | 1950 |
| Veterinary Pathology Laboratory | 1950 |
| Water Resources Building / Computing Applications Building | 1951 |
| Coordinated Science Laboratory / Engineering Sciences Building | 1951 |
| Oregon Street Computing Lab | 1951 |
| Civil Engineering Storage | 1951 |
| East Chemistry Annex / Chemistry and Chemical Engineering Building / Roger Adams Laboratory | 1951 |
| Environmental and Agricultural Sciences Building | 1952 |
| Hill Annex | 1955 |
| Law Building | 1956 |
| Child Development Laboratory | 1957 |
| Lincoln Avenue Residence Addition / Louisa Catherine Allen Hall | 1957 |
| Veterinary Medicine / National Soybean Research Center | 1958 |
| Gregory Drive Residence Halls | 1958 |
| Arbor Village Suites | 1958 |
| University Press | 1958 |
| Physics Building / Loomis Laboratory | 1958 |
| Burrill Hall | 1959 |
| Art and Architecture / Art and Design | 1959 |
| Central Food Stores | 1959 |
| Moorman Swine Research Farm and Lake Nalbandov | 1960 |
| Illini Forest Plantations and Hawke Hall | 1960 |
| Nuclear Reactor Laboratory | 1960 |
| Orchard Downs | 1960 |
| School of Music String Theory Annex / Music Annex | 1960 |
| Stenographic Bureau | 1960 |
| University of Illinois Employees Credit Union | 1960 |
| Graduate Studio for Painting | 1960 |
| University Civil Service System Building / Physical Plant Drafting Room | 1960 |
| Zoonoses | 1960 |
| Volatile Storage Building | 1960 |
| Snack Bar / Illini Orange | 1960 |
| Burnsides Research Laboratory | 1961 |
| Peabody Drive Residence Halls | 1961 |
| Krannert Art Museum | 1961 |
| Goodwin Green Married Student Housing | 1961 |
| Entomology Building / Justin Smith Morrill Halll | 1961 |
| Labor and Industrial Relations Building | 1962 |
| Student Services Building / Turner Student Services | 1962 |
| Central Receiving | 1962 |
| Mental Health Clinic / Adler Mental Health Center / Water Survey Research Center | 1963 |
| Assembly Hall | 1963 |
| Physical Plant Service Building | 1963 |
| Illinois Street Residence Halls / ISR | 1964 |
| University Film Center | 1964 |
| Education Building | 1964 |
| Daniels Hall / Sherman Hall | 1964 |
| Turner Hall / Crop Sciences | 1964 |
| Commerce West / Wohler's Hall | 1964 |
| Rehabilitation Services Center | 1964 |
| Hendrick House | 1965 |
| Materials Research Laboratory / Frederick Seitz Materials Research Laboratory | 1965 |
| Chemical and Life Sciences Laboratory | 1965 |
| Florida Avenue Residence Halls / FAR and Pennsylvania Avenue Residence Halls / PAR | 1966 |
| Undergraduate Library | 1966 |
| Nonacademic Personnel Services Building | 1967 |
| Ven Te Chow Hydrosystems Laboratory / Hydrosystems Laboratory / Civil Engineering Building Phase IIA | 1967 |
| Small Homes Council | 1967 |
| Veterinary Medicine Small Animal Clinic & Hospital | 1967 |
| Margaret H. and William E. Levis Faculty Center | 1968 |
| Intramural Physical Education Building / IMPE | 1968 |
| Nathan Newmark Civil Engineering Building | 1968 |
| Foreign Language Building | 1968 |
| Central Campus Parking Garages | 1968 |
| Psychology Building | 1969 |
| Coble Hall | 1969 |
| Music Building | 1969 |
| Krannert Center for the Performing Arts | 1969 |
| Advanced Computation Building / ACB | 1969 |
| Medical Sciences | 1974 |
| String Annex / Practice Annex | 1975 |
| Stiven House | 1975 |
| Jane Addams Graduate School of Social Work | 1975 |
| Personality Assessment and Group Analysis Laboratory | 1975 |
| Center for Advanced Study | 1975 |
| Alpha House | 1975 |
| Bureau of Community Planning | 1975 |
| Delta House | 1975 |
| Educational Research Projects Building | 1975 |
| French House | 1975 |
| Gamma House | 1975 |
| Honors Programs | 1975 |
| State Regional Office Building | 1975 |
| Speech and Hearing Clinic | 1975 |
| Worthy Grove | 1978 |
| Meat Science Laboratory | 1982 |
| Agricultural Engineering Sciences Building | 1983 |
| Lester H. Swanlund Administration Building | 1983 |
| Beckman Institute for Advanced Science and Technology | 1986 |
| Track and Soccer Stadium | 1988 |
| Satellite Recreation Facility / Campus Recreation East | 1988 |
| Plant and Animal Biotechnology Laboratory / Madigan Laboratory | 1988 |
| Astronomy Building | 1989 |
| International Studies | 1990 |
| Institute of Government and Public Affairs / IGPA and Samuel K. Gove Plaza | 1990 |
| Arboretum | 1990 |
| Computer and Systems Research Laboratory | 1990 |
| Temple Hoyne Buell Hall | 1992 |
| Grainger Engineering Library Information Center | 1992 |
| Illini Union Bookstore and Admin Office Building | 1993 |
| Admissions and Records | 1996 |
| Atkins Tennis Center | 1996 |
| Campbell Hall for Public Telecommunication and Richmond Journalism Teaching Studio and Swanson Center | 1996 |
| Japan House | 1998 |
| Hallene Gateway Plaza | 1998 |
| ACES Library, Information and Alumni Center | 2001 |
| William R. and Clarice V. Spurlock Museum | 2002 |
| National Center for Supercomputing Applications Building | 2003 |
| Doris Kelly Christopher Hall | 2003 |
| Institute of Genomic Biology / Post Genomics Institute | 2003 |
| New South Farms / Beef/Sheep Unit | 2003 |
| Civitas University Community Design Center | 2003 |
| Bardeen Quad | 2004 |
| J. Gerald Demirjian Indoor Golf Facility | 2004 |
| North Parking Garage | 2004 |
| Thomas M. Siebel Center for Computer Science | 2004 |
| Asian American Studies Building and Asian American Cultural Center | 2004 |
| New Illini Media Company Building | 2004 |
| Sarah McFarland Campanile and Carillons on Campus | 2004 |
| New College of Business Building | 2005 |
| Aquatic Research Field Laboratory / The Ponds | UNKNOWN |
| New Agronomy Building | UNKNOWN |
| Lorado Taft House | UNKNOWN |
| Eichelberger Field | UNKNOWN |
| Guy M. Beckwith Residence Hall | UNKNOWN |
| Richard T. Ubben Basketball Complex | UNKNOWN |
| South Research Park | UNKNOWN |
| Libraries | UNKNOWN |
| Fire Station | UNKNOWN |
| Veterinary Research Laboratory | UNKNOWN |
| Illinois Radio Reading Service Building | UNKNOWN |
