New York - Architectural style - Greek Revival architecture
| LaTourette House |
| Lay, Hiram, Cobblestone Farmhouse |
| Lefferts-Laidlaw House |
| Lehman, John, House |
| LeRoy House and Union Free School |
| Liddle, Alexander, Farmhouse |
| Liddle, Robert, Farmhouse |
| Liddle, Thomas, Farm Complex |
| Livonia Baptist Church |
| Mack, Gerald, House |
| MaGee, Merrill, House |
| Maloney House |
| Maples, The |
| Marble Schoolhouse |
| Mariaville Historic District |
| Mariner's Temple |
| Masterton-Dusenberry House |
| Maxwell Farm |
| McKenzie, John and Harriet, House |
| McLoud, Smith, House |
| McMaster House |
| McVickar House |
| Mesick, Jacob P., House |
| Mexico Stone Store, The |
| Middlebury Academy |
| Miller-Horton-Barben Farm |
| Miller, Paschal, House |
| Miller's House at Red Mills |
| Mills, Gen. William A., House |
| Mixter Blacksmith Shop |
| Morehouse, Jeremiah, House |
| Morse Cobblestone Farmhouse |
| Morss Homestead/Federal City Homestead |
| Moses, Ogilvie, Farmhouse |
| Mould, Moses, House |
| Muldor-Miller House |
| Myers, Stephen and Harriet, House |
| Narrowsburg Methodist Church |
| National City Bank |
| National Hotel |
| Nellis, Jacob, Farmhouse |
| Nelson Methodist Episcopal Church |
| New Century Club |
| Newton, A., Farm |
| Newton, Philo Cobblestone House |
| New York State Court of Appeals Building |
| Nichols, William, Cobblestone Farmhouse |
| Niskayuna Reformed Church |
| North Hillsdale Methodist Church |
| North Main Street Historic District |
| North Ridge United Methodist Church |
| Northrup-Gilbert House |
| North Salina Street Historic District |
| Northside Historic District |
| North Star School District No. 11 |
| North Street Friends Meetinghouse |
| Nowland House |
| Noxon Bank Building |
| Noyes, John, House |
| Nut Grove |
| Oakcliff |
| Oak Hill |
| Oak Hill Methodist Episcopal Church |
| Oak Hill Park Historic District |
| Oakwood Cemetery |
| Ohio Street Methodist Episcopal Church Complex |
| Old Fort House |
| Old Stone House Library, The |
| Onderdonk, Horatio Gates, House |
| Oneida Lake Congregational Church |
| Ontario and Livingston Mutual Insurance Office |
| Oppenheim and St. Johnsville Union Society Church |
| Orleans County Courthouse Historic District |
| Osburn, Mrs., House |
| Otsdawa Baptist Church |
| Packer Farm and Barkersville Store |
| Palmyra Village Historic District |
| Parks-Bentley House |
| Parsonage Road Historic District |
| Parsonage, The |
| Patroon Agent's House and Office |
| Patterson Farmhouse |
| Payne Cobblestone House |
| Peck House |
| Peck, J. Franklin, House |
| Peekskill Presbyterian Church |
| Pelton, Gideon, Farm |
| Phelps Town Hall |
| Phillips-Manning House |
| Pierce, Charles, House |
| Pine View Farm |
| Pitt, Newton M., House |
| Platt-Cady Mansion |
| Poillon-Seguine-Britton House |
| Porter, Rev. Dr. Elbert S., House |
| Portville Free Library |
| Poughkeepsie City Hall |
| Pound-Hitchens House |
| Powers Home |
| Pratt, Zadock, House |
Data from United States Park Service and Wikidata