| 28 Waterville St |
| 51 Monument St |
| <Null> |
| A.B. Butler House |
| Abraham S. Levey Block |
| Abyssinian Meeting House |
| Adam P. Leighton House |
| Anne Freeman House |
| Baxter Building |
| Cathedral of the Immaculate Conception |
| Central Fire Station |
| Chapman Block |
| Charles Q. Clapp Block |
| Charles Q. Clapp House |
| Chestnut Street Methodist Church |
| Clapp Memorial Block |
| Congress Building |
| Darling-Kidder Motor Car Company |
| Eastern Cemetery |
| Etz Chaim Synagogue |
| F.O.J. Smith Tomb |
| Fidelity Trust Building |
| Fifth Maine Regiment Community Center |
| First Parish Church |
| Fort Gorges |
| General Neal Dow House |
| George S. Hunt Block |
| Great Atlantic & Pacific Tea Co. Store |
| Green Memorial A.M.E. Zion Church |
| Griffin House |
| Henry Rowe House |
| India Street Fire Station |
| J.B. Brown Memorial Block |
| James B. Newell House |
| John B. Russworm House |
| John Calvin Stevens House |
| Joseph Holt Ingraham House |
| Leonard Bond Chapman House |
| Longfellow Monument |
| Maine Central Railroad General Office Building |
| Maine Eye and Ear Infirmary |
| Maine Historical Society Library |
| Marguerite Emerson House |
| Marine Hospital |
| Mariner's Church |
| Masonic Temple |
| McLellan-Sweat Mansion |
| Mechanic's Hall |
| Munjoy (Murdock) Block |
| Nathan Clifford School |
| Nathaniel Dyer House |
| New England Telephone Building |
| North School |
| Nutter House |
| Odd Fellow Block |
| Our Lady of Victory Statue |
| Park Street Row |
| Payson Building |
| Porteous Mitchell & Braun Building |
| Portland City Hall |
| Portland City Hospital |
| Portland Club |
| Portland High School |
| Portland Observatory |
| Portland Water District Pumping Station |
| Rackleff Building |
| Saint Lawrence Church |
| Schwartz Building |
| Shaarey Tphiloh |
| Sparrow House |
| St. Paul's Church and Rectory |
| St. Peter's Catholic Church |
| Tate House |
| The Gothic House |
| Thomas Brackett Reed House |
| Thompson Block |
| Tracy-Causer Building |
| Trelawney Building |
| U.S. Courthouse |
| U.S. Customhouse |
| U.S. Post Office Building |
| Valle's Sandwich Shop |
| Victoria Mansion |
| Wadsworth-Longfellow House |
| William Minott House |
| Williston-West Church & Parish House |
| Woodman Building |
| <all other values> |