| Adams Bag Company Paper Mill and Sack Factory | Chagrin Falls | Building | 2012 |
| Adams, John And Maria, House | Olmsted Falls | Building | 1975 |
| Adelbert Hall, Case Western Reserve University | Cleveland | Building | 1973 |
| Alcazar Hotel | Cleveland Heights | Building | 1979 |
| Aldrich, Aaron, House | Bay Village | Building | 1978 |
| Allen Memorial Medical Library | Cleveland | Building | 1982 |
| Alta Public Library | Cleveland | Building | 2005 |
| Ambler Heights Historic District | Cleveland Heights | District | 2002 |
| Annis, John M., House | North Royalton | Building | 1992 |
| Ansel Road Apartment Buildings Historic District | Cleveland | District | 2008 |
| Archwood Avenue Historic District | Cleveland | District | 1987 |
| Archwood Congregational Church | Cleveland | Building | 1994 |
| Arnold Wooden Ware Co.-Arnold Wholesale Corp. Building | Cleveland | Building | 2024 |
| Astrup Company Building, The | Cleveland | Building | 2018 |
| Audubon School | Cleveland | Building | 2022 |
| Baker Motor Vehicle Company Building | Cleveland | Building | 2007 |
| Baldwin-Wallace College North Campus Historic District | Berea | District | 2013 |
| Baldwin-Wallace College South Campus Historic District | Berea | District | 2010 |
| Baldwin-Wallace College South Campus Historic District (Boundary Increase) | Berea | District | 2022 |
| Bay View Hospital | Bay Village | Building | 1974 |
| Bedford Historic District | Bedford | District | 2004 |
| Bedford Township Hall | Bedford | Building | 1975 |
| Beehive School | Cleveland | Building | 1984 |
| Bell, Dr. James, House | Cleveland | Building | 1986 |
| Benedict, Sarah, House | Cleveland | Building | 1984 |
| Berea District 7 School | Berea | Building | 1975 |
| Berea Union Depot | Berea | Building | 1980 |
| Bingham Company Warehouse | Cleveland | Building | 1973 |
| Birdtown Historic District | Lakewood | District | 2007 |
| Black, H., and Company Building | Cleveland | Building | 2002 |
| Blossom, Elizabeth B., Subdivision Historic District | Beachwood | District | 1987 |
| Blossom, Elzabeth B. and Dudley S., Estate Service Compound | Lyndhurst | Building | 2004 |
| Body Block | Cleveland | Building | 1998 |
| Bohemian National Hall | Cleveland | Building | 1975 |
| Bolton, Chester and Frances, House | Lyndhurst | Building | 1984 |
| Bomante House | Cleveland | Building | 1987 |
| Brecksville Town Hall | Brecksville | Building | 1973 |
| Brecksville Trailside Museum | Brecksville | Building | 1992 |
| Broadway Avenue Historic District | Cleveland | District | 1988 |
| Brooklyn Bank Building | Cleveland | Building | 1984 |
| Brooklyn Centre Historic District | Cleveland | District | 1999 |
| Brown, John Hartness, House | Cleveland Heights | Building | 1976 |
| Brownell School and Annex | Cleveland | Building | 2006 |
| Bruce-Macbeth Engine Company | Cleveland | Building | 2018 |
| Bryant Building | Cleveland | Building | 2014 |
| Buckeye Commercial Historic District | Cleveland | District | 2024 |
| Buehl House | Berea | Building | 1976 |
| Building at 3101 Euclid Avenue | Cleveland | Building | 2017 |
| Burdick, Harold B., House | Cleveland Heights | Building | 1974 |
| Burt, William, House | Brecksville | Building | 1979 |
| Calvary Presbyterian Church | Cleveland | Building | 2025 |
| Carroll, John, University North Quad Historic District | University Heights | District | 2013 |
| Caxton Building | Cleveland | Building | 1973 |
| Cedar Branch Young Mens Christian Association (YMCA) | Cleveland | Building | 2024 |
| Cedar Glen Apartments | Cleveland | Building | 1994 |
| Central YMCA | Cleveland | Building | 1984 |
| Cermak Building | Cleveland | Building | 1984 |
| Chagrin Falls East Side Historic District | Chagrin Falls | District | 2013 |
| Chagrin Falls Township Hall | Chagrin Falls | Building | 1974 |
| Chagrin Falls Triangle Park Commercial District | Chagrin Falls | District | 1978 |
| Chagrin Falls Triangle Park Commercial District (Boundary Increase) | Chagrin Falls | District | 1995 |
| Chagrin Falls West Side District | Chagrin Falls | District | 1974 |
| Church of the Holy Spirit-Nazarene Baptist Church | Cleveland | Building | 2025 |
| Clague House | Westlake | Building | 1976 |
| Clark, Jared, House | Broadview Heights | Building | 1975 |
| Cleveland And Pittsburgh Railroad Bridge | Bedford | Structure | 1975 |
| Cleveland Arcade NHL | Cleveland | Building | 1973 |
| Cleveland Centre Historic District | Cleveland | District | 2014 |
| Cleveland Club | Cleveland | Building | 2008 |
| Cleveland Dental Manufacturing Company Building | Cleveland | Building | 2004 |
| Cleveland Discount Building | Cleveland | Building | 1991 |
| Cleveland East Pierhead Light | Cleveland | Structure | 1991 |
| Cleveland Grays Armory | Cleveland | Building | 1973 |
| Cleveland Harbor Station, U.S. Coast Guard | Cleveland | Building | 1976 |
| Cleveland Home For Aged Colored People | Cleveland | Building | 1982 |
| Cleveland Jewish Center-Cory United Methodist Church | Cleveland | Building | 2023 |
| Cleveland Mall | Cleveland | District | 1975 |
| Cleveland Masonic Temple | Cleveland | Building | 2001 |
| Cleveland Municipal Stadium | Cleveland | Structure | 1987 |
| Cleveland Packard Building | Cleveland | Building | 1984 |
| Cleveland Public Carnegie Library Hough Branch | Cleveland | Building | 2016 |
| Cleveland Public Square | Cleveland | District | 1975 |
| Cleveland State University-University Tower | Cleveland | Building | 2023 |
| Cleveland Trust Company | Cleveland | Building | 1973 |
| Cleveland Warehouse District | Cleveland | District | 1982 |
| Cleveland Warehouse Historic District (Boundary Increase) | Cleveland | District | 2007 |
| Cleveland West Pierhead Light | Cleveland | Structure | 1983 |
| Cleveland Worsted Mills Company | Cleveland | Building | 1985 |
| Clifton Park Lakefront District | Lakewood | District | 1974 |
| Clifton Park South Historic District | Lakewood | District | 2021 |
| Clinton Apartments | Cleveland | Building | 2006 |
| Colonial and Euclid Arcades | Cleveland | Building | 1987 |
| Commodore Apartment Building | Shaker Heights | Building | 1983 |
| Commodore Hotel, The | Cleveland | Building | 2016 |
| Consolidated Fruit Auction Company Building | Cleveland | Building | 2021 |
| Cook Building | Cleveland | Building | 1984 |
| Cooley Farms | Warrensville Heights | District | 1979 |
| Coonrad, Jonas, House | Brecksville | Building | 1979 |
| Corlett Building | Cleveland | Building | 2003 |
| Courtland, The | Cleveland | Building | 2000 |
| Cozad, Justus L., House | Cleveland | Building | 1974 |
| Crawford-Tilden Apartments | Cleveland | Building | 1978 |
| Dall, Andrew, Jr. and James, Houses | Cleveland | Building | 1984 |
| Danalds, Samuel, House | Brookpark | Building | 1979 |
| Day, Erastus, House | Lakewood | Building | 1979 |
| Detroit Avenue Bridge | Rocky River--Lakewood | Structure | 1973 |
| Detroit-Superior High Level Bridge | Cleveland | Structure | 1974 |
| Detroit-Warren Building | Lakewood | Building | 1986 |
| Division Avenue Pumping Station | Cleveland | Building | 1974 |
| Dixon Hall Apartments | Cleveland | Building | 1984 |
| Doan School | Cleveland | Building | 1984 |
| Drake, Alonzo, House | Oakwood | Building | 1978 |
| Droppers, Carl, House | Berea | Building | 2023 |
| Dunham Tavern | Cleveland | Building | 1974 |
| Dunham, Hezekiah, House | Bedford | Building | 1975 |
| E.F. Hauserman Co. Administration, Engineering & Research Building | Cuyahoga Heights | Building | 2024 |
| East 89th Street Historic District | Cleveland | District | 1988 |
| East Boulevard Apartment House | Cleveland | Building | 2017 |
| East Boulevard Historic District (Additional Documentation) | Cleveland | District | 1995 |
| East Cleveland District 9 School | Cleveland Heights | Building | 1979 |
| East Fourth Street Historic District | Cleveland | District | 1987 |
| East Ohio Building, The | Cleveland | Building | 2013 |
| East Ohio Gas Company Building | Cleveland | Building | 2003 |
| Eleanor B. Rainey Memorial Institute | Cleveland | Building | 2020 |
| Emmanuel Baptist Church | Cleveland | Building | 2025 |
| Empire Junior High School | Cleveland | Building | 2023 |
| Ensworth, Jeremiah, House | Cleveland | Building | 1984 |
| Erie Railroad Cleveland Powerhouse | Cleveland | Building | 1984 |
| Erie Street Cemetery Historic District | Cleveland | District | 2024 |
| Erieview Historic District | Cleveland | District | 2021 |
| Erieview Tower | Cleveland | Building | 2017 |
| Euclid Avenue Christian Church | Cleveland | Building | 2022 |
| Euclid Avenue Historic District | Cleveland | District | 2002 |
| Euclid Avenue Historic District (Boundary Increase) | Cleveland | District | 2007 |
| Euclid Avenue Historic District (Boundary Increase) | Cleveland | District | 2022 |
| Euclid Avenue Presbyterian Church | Cleveland | Building | 1980 |
| Euclid Avenue Temple-Liberty Hill Baptist Church | Cleveland | Building | 2024 |
| Euclid Golf Allotment | Cleveland Heights | District | 2002 |
| Euclid Heights Historic District | Cleveland Heights | District | 2012 |
| Euclid, The-Seventy-First Street Building | Cleveland | Building | 1996 |
| Fairhill Road Village Historic District | Cleveland | District | 1990 |
| Fairmont Creamery Company Ice Cream Building | Cleveland | Building | 2015 |
| Fairmount Boulevard District | Cleveland Heights | District | 1976 |
| Fairmount Heights Historic District | Cleveland Heights | District | 2026 |
| Fairview Community Park Historic District | Fairview Park | District | 2013 |
| Falls River Road | Chagrin Falls | Structure | 2000 |
| Federal Knitting Mills (Boundary Increase) | Cleveland | Building | 2006 |
| Federal Knitting Mills Building | Cleveland | Building | 2001 |
| Federal Reserve Bank Of Cleveland | Cleveland | Building | 1976 |
| Fellowship Missionary Baptist Church | Cleveland | Building | 2025 |
| Fenway Hall | Cleveland | Building | 2016 |
| First Church of Christ in Euclid | East Cleveland | Building | 1978 |
| First Church of Christ, Scientist | Cleveland | Building | 2003 |
| First Evangelical Church - Greater Friendship Baptist Church | Cleveland | Building | 2026 |
| First Methodist Church | Cleveland | Building | 1995 |
| First Universalist Church of Olmsted | North Olmsted | Building | 1980 |
| Ford Motor Company Cleveland Plant | Cleveland | Building | 1976 |
| Forest City Bank Building | Cleveland | Building | 1992 |
| Forest City Brewery | Cleveland | Building | 1976 |
| Forest Hill Historic District | Cleveland | District | 1986 |
| Forest Hill Park | East Cleveland | District | 1998 |
| Forest Hill Realty Sales Office | Cleveland Heights | Building | 2007 |
| Fort Hill | North Olmsted | Site | 1974 |
| Franklin Boulevard Historic District | Cleveland | District | 1989 |
| Franklin Boulevard-West Clinton Avenue Historic District | Cleveland | District | 1993 |
| Franklin Boulevard-West Clinton Avenue Historic District (Boundary Increase) | Cleveland | District | 2006 |
| Frazee, Stephen, House | Valley View | Building | 1976 |
| Froelich, John, House | Seven Hills | Building | 1974 |
| Fuller-Bramley House | Independence | Building | 1999 |
| Gabel, Daniel, House | Seven Hills | Building | 1978 |
| Gaensslen, Phillip, House | Cleveland | Building | 1984 |
| Garfield Terrace Apartments | East Cleveland | Building | 2021 |
| Garfield, President James A., Memorial (Additional Documentation) | Cleveland | Structure | 1973 |
| Gates Mills Historic District | Gates Mills | District | 1991 |
| Gates Mills Methodist Episcopal Church | Gates Mills | Building | 1975 |
| Gates Mills Village Historic District | Gates Mills | District | 1979 |
| Gates, Holsey, House | Bedford | Building | 1975 |
| Gifford, Dr. William, House | Cleveland | Building | 1984 |
| Gleason, Edmund, Farm (Boundary Increase) | Valley View | District | 1993 |
| Gleason, Edmund, House | Valley View | Building | 1978 |
| Glidden, Francis K., House | Cleveland | Building | 1988 |
| Globe Iron Works Building | Cleveland | Building | 1994 |
| Globe Machine and Stamping Company | Cleveland | Building | 2013 |
| Goldsmith, Jacob, House | Cleveland | Building | 1978 |
| Gordon Square Building | Cleveland | Building | 1985 |
| Gordon Square Historic District | Cleveland | District | 2002 |
| Grand Pacific Hotel | Olmsted Falls | Building | 1975 |
| Grant Deming's Forest Hill Allotment Historic District | Cleveland Heights | District | 2010 |
| Greater Abyssinia Baptist Church | Cleveland | Building | 2026 |
| Greenwood Farm | Richmond Heights | Building | 2016 |
| Greyhound Bus Station | Cleveland | Building | 1999 |
| Grossman Paper Box Company | Cleveland | Building | 2016 |
| Gwinn Estate | Bratenahl | Building | 1974 |
| Hackenberg, Harvey, House | Lakewood | Building | 1983 |
| Halle Building | Cleveland | Building | 1983 |
| Halle's Shaker Square | Cleveland | Building | 2005 |
| Hangar, The | Beachwood | Building | 1986 |
| Hanna, Howard M., Jr., House | Bratenahl | Building | 1974 |
| Harp Apartments | Cleveland | Building | 2000 |
| Harvard School | Cleveland | Building | 2002 |
| Hay-McKinney and Bingham-Hanna House | Cleveland | Building | 1976 |
| Heights Rockfeller Building | Cleveland Heights | Building | 1986 |
| Henn, Albert W., Mansion | Euclid | Building | 2000 |
| Henninger, Phillip, House | Parma | Building | 2003 |
| Henry W. Longfellow School | Cleveland | Building | 2020 |
| Henry, Robert W., House | Parma Heights | Building | 1978 |
| Herold Building | Cleveland | Building | 2013 |
| Hessler Court Wooden Pavement | Cleveland | Structure | 1975 |
| Hill, James, House | Cleveland | Building | 1994 |
| Hilliard Apartment Building | Cleveland | Building | 1987 |
| Holy Rosary Church | Cleveland | Building | 1976 |
| Homestead Theatre Block | Lakewood | Building | 2021 |
| Honam, John, House | Lakewood | Building | 1977 |
| Hotel Statler | Cleveland | Building | 1998 |
| House of Wills | Cleveland | Building | 1982 |
| Hoyt Block | Cleveland | Building | 1974 |
| Hruby Conservatory of Music | Cleveland | Building | 1979 |
| Hubbard Cooke Block | Cleveland | Building | 2014 |
| Huntington, John, Pumping Tower | Bay Village | Structure | 1979 |
| Independence Presbyterian Church | Independence | Building | 1977 |
| Inglewood Historic District | Cleveland Heights | District | 2009 |
| Ireland, Joseph, House | Cleveland | Building | 1984 |
| Irishtown Bend Archeological District | Cleveland | District | 1990 |
| Jaite Mill Historic District | Brecksville | District | 1979 |
| Jennings Apartments | Cleveland | Building | 1984 |
| Jones Home for Children | Cleveland | Building | 1996 |
| Jones Home Subdivisions Historic District | Cleveland | District | 2012 |
| Joseph and Feiss Clothcraft Shops, The | Cleveland | Building | 2010 |
| Karamu House | Cleveland | Building | 1982 |
| Kendel Building | Cleveland | Building | 2013 |
| Kennedy Apartments and Commercial Block | Cleveland | Building | 1989 |
| Keyt, Gideon, House | Gates Mills | Building | 1982 |
| Kies, Lewis, House | Cleveland | Building | 2004 |
| Kindra, W. H., Apartments | Cleveland | Building | 1987 |
| Knapp, William, House | Valley View | Building | 1979 |
| Knowlton, Dr. William A., House | Brecksville | Building | 1978 |
| Krause Building-Otto Moser's Cafe | Cleveland | Building | 1985 |
| Kuenzer, Joseph II, House | Independence | Building | 1974 |
| Kulas, E. J., Estate Historic District | Gates Mills | District | 1988 |
| Kundtz, Theodor, Company Building | Cleveland | Building | 2001 |
| Lake Shore Bank and Cleveland Public Library St. Clair Branch | Cleveland | Building | 2015 |
| Lakewood Downtown Historic District | Lakewood | District | 2020 |
| LaSalle Theater Building | Cleveland | Building | 2011 |
| Lay, Samuel, House | Olmsted Falls | Building | 1979 |
| League Park | Cleveland | Building | 1979 |
| Lerner Building | Cleveland | Building | 2000 |
| Lilly House | Westlake | Building | 2006 |
| Lindner Building | Cleveland | Building | 1978 |
| Lion Knitting Mills | Cleveland | Building | 2016 |
| Liquid Carbonic Corporation Dry Ice Plant | Cleveland | Building | 2014 |
| Lock No. 37 and Spillway | Valley View | Structure | 1979 |
| Lock No. 38 and Spillway | Valley View | Structure | 1979 |
| Lock No. 39 and Spillway | Valley View | Structure | 1979 |
| Lock Tender's House and Inn | Valley View | Building | 1979 |
| Look About Lodge | Bentleyville | Building | 2006 |
| Lorain Avenue Commercial Historic District | Cleveland | District | 1994 |
| Lorain Station Historic District | Cleveland | District | 1994 |
| Lorain-Carnegie Bridge | Cleveland | Structure | 1976 |
| Lower Prospect-Huron Historic District | Cleveland | District | 1995 |
| Lower Prospect-Huron Historic District (Boundary Increase) | Cleveland | District | 2005 |
| Lyceum Village Square And German Wallace College | Berea | District | 1975 |
| Magnolia-Wade Park Historic District | Cleveland | District | 1990 |
| Malio House | Cleveland | Building | 1987 |
| March, George, House | Chagrin Falls | Building | 1978 |
| Mather, Flora Stone, College District | Cleveland | District | 1974 |
| May Company (Additional Documentation) | Cleveland | Building | 1974 |
| Mayfield Heights Historic District | Cleveland Heights | District | 2015 |
| Mayfield Theatre Building, The | Cleveland | Building | 2013 |
| McFarland, Duncan, House | Bentleyville | Building | 2001 |
| McKinley School | Cleveland | Building | 2022 |
| McKinley Terrace | Cleveland | Building | 1985 |
| Medical Centre Building | Cleveland | Building | 1984 |
| Merwin, George, House | Cleveland | Building | 1973 |
| Midtown Historic District | Cleveland | District | 2021 |
| Miles Park Historic District | Cleveland | District | 1974 |
| Miller Block | Cleveland | Building | 1984 |
| Monmouth Building | Cleveland | Building | 2022 |
| Montana Apartments | Cleveland | Building | 1984 |
| Moreland Theater Building | Cleveland | Building | 2011 |
| Morgan, Garrett, House | Cleveland | Building | 1982 |
| Mount Auburn School | Cleveland | Building | 2022 |
| Mueller Electric Company Building | Cleveland | Building | 2016 |
| Murray Hill School | Cleveland | Building | 1988 |
| Myrtle-Highview Historic District | Cleveland | District | 2019 |
| NASA Lewis Research Center-Development Engineering Building & Annex | Fairview | Building | 2016 |
| Nathaniel Hawthorne Elementary School | Cleveland | Building | 2022 |
| National Town and Country Club | Cleveland | Building | 2003 |
| Neal Terrace | Cleveland | Building | 2012 |
| Neff Apartments | Cleveland | Building | 1984 |
| Nela Park | East Cleveland | District | 1975 |
| New England Building | Cleveland | Building | 2000 |
| Newton Avenue Historic District | Cleveland | District | 1988 |
| Nicholson, James, House | Lakewood | Building | 1979 |
| North Olmsted Town Hall | North Olmsted | Building | 1980 |
| North Presbyterian Church | Cleveland | Building | 1974 |
| North Union Shaker Site | Cleveland | Site | 1974 |
| Northern Ohio Blanket Mills | Cleveland | Building | 2014 |
| Northrop, Julia Carter, House | Olmsted Falls | Building | 1975 |
| Notre Dame Academy | Cleveland | Building | 1988 |
| Notre Dame College of Ohio | South Euclid | Building | 1983 |
| Oakwood Club Subdivision Historic District | Cleveland Heights | District | 2021 |
| Ohio and Erie Canal NHL | Valley View | District | 1966 |
| Ohio Bell Henderson-Endicott Exchange Building | Cleveland | Building | 1984 |
| Ohio City Preservation District | Cleveland | District | 1974 |
| Ohio City Preservation District (Boundary Increase) | Cleveland | District | 1989 |
| Old Center School | Mayfield Village | Building | 1973 |
| Old District 10 Schoolhouse | Middleburg Heights | Building | 1973 |
| Old Euclid District 4 Schoolhouse | Lyndhurst | Building | 1980 |
| Old Federal Building and Post Office | Cleveland | Building | 1974 |
| Old River Road Historic District | Cleveland | District | 2006 |
| Old Stone Church | Cleveland | Building | 1973 |
| Olmsted Falls Depot | Olmsted Falls | Building | 2000 |
| Olmsted Falls Historic District | Olmsted Falls | District | 2000 |
| Olney, Charles, House and Gallery | Cleveland | Building | 1988 |
| Oppmann Terrace | Cleveland | Building | 2012 |
| Overlook Road Carriage House District | Cleveland Heights | District | 1974 |
| Packard-Doubler House | Independence | Building | 1979 |
| Panek Block | Cleveland | Building | 1986 |
| Park Building | Cleveland | Building | 1996 |
| Park Synagogue | Cleveland Heights | Building | 2024 |
| Peerless Motor Company Plant No. 1 | Cleveland | Building | 1975 |
| Pennsylvania Railway Ore Dock | Cleveland | District | 1997 |
| Perry-Payne Building | Cleveland | Building | 1973 |
| Pickands, Jay M., House | Bratenahl | Building | 1979 |
| Pilgrim Congregational Church | Cleveland | Building | 1976 |
| Playhouse Square Group | Cleveland | Building | 1978 |
| Plaza Apartments | Cleveland | Building | 1984 |
| Pomeroy, Alanson, House | Strongsville | Building | 1975 |
| Prospect Avenue Row House Group | Cleveland | District | 1974 |
| Quad Hall | Cleveland | Building | 1988 |
| Rauch & Lang Carriage Company Building | Cleveland | Building | 2022 |
| Record Rendezvous | Cleveland | Building | 2013 |
| Reidy Bros. & Flanigan Building | Lakewood | Building | 2018 |
| Rich, Charles B., House | Brecksville | Building | 1979 |
| Rich, N.J., and Co. Building | Cleveland | District | 2003 |
| Richman Brothers Company, The | Cleveland | Building | 2012 |
| Riverside Cemetery Building | Cleveland | Building | 1987 |
| Riverside Cemetery Chapel | Cleveland | Building | 1987 |
| Rockefeller Building | Cleveland | Building | 1973 |
| Rockefeller Park and Cleveland Cultural Gardens Historic District | Cleveland | District | 2005 |
| Rockefeller Park Bridges | Cleveland | District | 1977 |
| Root and McBride-Bradley Building | Cleveland | Building | 1980 |
| Rose Hill and Community House | Bay Village | Building | 1994 |
| Roundwood Manor at Daisy Hill Farm | Hunting Valley | Building | 2019 |
| Schweinfurth, Charles, House | Cleveland | Building | 1973 |
| Scofield, Levi, House | Cleveland | Building | 2019 |
| Scranton South Side Historic District (Additional Documentation) | Cleveland | District | 2015 |
| Shaker Farm Historic District | Cleveland Heights | District | 2012 |
| Shaker Square | Cleveland | District | 1976 |
| Shaker Square Historic District (Boundary Increase) | Cleveland | District | 1983 |
| Shaker Village Historic District | Shaker Heights | District | 1984 |
| Shaker Village Historic District (Boundary Increase) | Shaker Heights | District | 2001 |
| Shiloh Baptist Church | Cleveland | Building | 1982 |
| Shore High School | Euclid | Building | 2000 |
| Sidaway Bridge | Cleveland | Structure | 2022 |
| Snow, Russ and Holland, Houses | Brecksville | Building | 1982 |
| Society for Savings Building | Cleveland | Building | 1976 |
| South Brooklyn Commercial District | Cleveland | District | 2005 |
| South Park Site | Independence | Site | 1976 |
| Southworth House | Cleveland | Building | 1984 |
| Spang, J., Baking Company | Cleveland | Building | 2018 |
| St. Elizabeth's Magyar Roman Catholic Church | Cleveland | Building | 1976 |
| St. Ignatius High School | Cleveland | Building | 1974 |
| St. John's AME Church | Cleveland | Building | 1982 |
| St. John's Episcopal Church | Cleveland | Building | 1973 |
| St. Joseph Convent and Academy Complex | Garfield Heights | District | 2006 |
| St. Joseph's Church and Friary | Cleveland | Building | 1976 |
| St. Luke's Hospital | Cleveland | Building | 2005 |
| St. Michael the Archangel Catholic Church | Cleveland | Building | 1974 |
| St. Paul's Episcopal Church | Cleveland | Building | 1980 |
| St. Paul's Episcopal Church of East Cleveland | East Cleveland | Building | 1984 |
| St. Stanislaus Church | Cleveland | Building | 1976 |
| St. Stephen Church | Cleveland | Building | 1977 |
| St. Theodosius Russian Orthodox Cathedral | Cleveland | Building | 1974 |
| Stadium Square Historic District | Cleveland Heights | District | 2020 |
| Stager-Beckwith House | Cleveland | Building | 1978 |
| Stanley Block | Cleveland | Building | 2011 |
| Station Road Bridge | Brecksville | Structure | 1979 |
| Stearns, Lyman, Farm | Parma | Building | 1981 |
| Stebbens Farm | Brecksville | Building | 1996 |
| Stockbridge Apartment Building | Cleveland | Building | 1985 |
| Stone, Valerius C., House | Strongsville | Building | 1978 |
| Stoneman, Joseph, House | Chagrin Falls | Building | 1975 |
| Strong, Jacob, House | Shaker Heights | Building | 2023 |
| Strong, John Stoughton, House | Strongsville | Building | 1980 |
| Strongsville Town Hall | Strongsville | Building | 2008 |
| Stuyvesant Motor Company Building | Cleveland | Building | 2015 |
| Superior Avenue Historic District | Cleveland | District | 2007 |
| Superior Avenue Viaduct | Cleveland | Structure | 1978 |
| Tavern Club | Cleveland | Building | 1984 |
| Taylor Mansion-Lakehurst | Bratenahl | Building | 1986 |
| Telling, William E., House | South Euclid | Building | 1974 |
| Templar-Farrell Motor Sales Building | Cleveland | Building | 1984 |
| Temple on the Heights | Cleveland Heights | Building | 1984 |
| Temple, The | Cleveland | Building | 1974 |
| Templin-Bradley Company | Cleveland | Building | 2013 |
| Terra Vista Archeological District | Independence | District | 1978 |
| Third Church of Christ Scientist | Cleveland | Building | 1987 |
| Thorp, W. A., House | Mayfield Heights | Building | 1978 |
| Tiedemann, Hannes, House | Cleveland | Building | 1982 |
| Tinkers Creek Aqueduct | Valley View | Structure | 1979 |
| Tinnerman Steel Range Company | Cleveland | Building | 2017 |
| Tower East | Shaker Heights | Building | 2014 |
| Townes, Clayton, House | Cleveland | Building | 1987 |
| Tremaine-Gallagher Residence | Cleveland Heights | Building | 1973 |
| Tremont Historic District | Cleveland | District | 1994 |
| Trinity Cathedral | Cleveland | Building | 1973 |
| Trinity Cathedral Church Home | Cleveland | Building | 1984 |
| Ulyatt, Abraham, House | Valley View | Building | 1979 |
| Union Club | Cleveland | Building | 1974 |
| Union Steel Screw Office Building | Cleveland | Building | 1989 |
| Union Terminal Group | Cleveland | Building | 1976 |
| United Motor Service Building | Cleveland | Building | 1984 |
| Universal Terminal Company Dock and Warehouse | Cleveland | Building | 1983 |
| University Hall, Cleveland State University | Cleveland | Building | 1973 |
| Upson-Walton Company Building | Cleveland | Building | 1974 |
| USS COD (submarine) NHL | Cleveland | Structure | 1986 |
| Valley Railway Historic District | Independence to Akron | District | 1985 |
| Van Rooy Coffee Company Building | Cleveland | Building | 2004 |
| Variety Store Building and Theatre | Cleveland | Building | 1982 |
| Vaughn Site (33CU65) | Brecksville | Site | 1987 |
| Vaughn, Richard, Farm | Brecksville | Building | 1993 |
| Venice Building | Cleveland | Building | 1990 |
| Villa San Bernardo Historic District | Bedford | District | 2015 |
| Vitrolite Building | Cleveland | Building | 2004 |
| Wade Memorial Chapel | Cleveland | Building | 1973 |
| Wade Park District | Cleveland | District | 1982 |
| Walker and Weeks Office Building | Cleveland | Building | 1984 |
| Warner & Swasey Company Building | Cleveland | Building | 2019 |
| Warren, Moses, House | Shaker Heights | Building | 1974 |
| Warszawa Neighborhood District | Cleveland | District | 1980 |
| Waterman Service Building | Cleveland | Building | 2001 |
| Watterson School | Cleveland | Building | 1992 |
| Weizer Building | Cleveland | Building | 2002 |
| Weizer Building | Cleveland | Building | 1988 |
| West 25th Street-Detroit Avenue Historic District | Cleveland | District | 2013 |
| West Side Market | Cleveland | Building | 1973 |
| West Technical High School | Cleveland | Building | 2001 |
| Westerly Apartments | Lakewood | Building | 2013 |
| Western Reserve Building | Cleveland | Building | 1973 |
| Westlake Hotel | Rocky River | Building | 1983 |
| Wheatley, Phillis, Association | Cleveland | Building | 1979 |
| Wheeler, John, House | Berea | Building | 1978 |
| White Chewing Gum Company Building | Cleveland | Building | 2000 |
| White, Henry P., House | Cleveland | Building | 1973 |
| Whitney, George W., House | Berea | Building | 1974 |
| WHK Studio One | Cleveland | Building | 2019 |
| William Tricker Inc. Historic District | Independence | District | 2001 |
| Wilson Feed Mill | Valley View | Building | 1979 |
| Wilson's Mills Settlement District | Gates Mills | District | 1980 |
| Woodland Avenue and West Side Railroad Powerhouse | Cleveland | Building | 1979 |
| Woodland Cemetery | Cleveland | Structure | 1986 |
| Woodland-Larchmere Commercial Historic District | Cleveland | District | 2015 |
| Zero Gravity Research Facility (B-2) NHL | Cleveland | Structure | 1985 |
| Zion Lutheran Church | Cleveland | Building | 1984 |
| Zion Lutheran School | Cleveland | Building | 1984 |
Cleveland Arcade NHL Cleveland · Building · listed 1973 
USS COD (submarine) NHL Cleveland · Structure · listed 1986 
Zero Gravity Research Facility (B-2) NHL Cleveland · Structure · listed 1985 
Ohio and Erie Canal NHL Valley View · District · listed 1966 
Adelbert Hall, Case Western Reserve University Cleveland · Building · listed 1973 
Alcazar Hotel Cleveland Heights · Building · listed 1979 
Aldrich, Aaron, House Bay Village · Building · listed 1978 
Allen Memorial Medical Library Cleveland · Building · listed 1982 
Alta Public Library Cleveland · Building · listed 2005 
Ambler Heights Historic District Cleveland Heights · District · listed 2002