Maine - Constructed - 1870–1879
| Adams-Pickering Block |
| Alls Souls Church |
| Bank Block |
| Beckett's Castle |
| Belfast National Bank |
| Burnt Coat Harbor Light Station |
| Cape Neddick Light Station |
| Charlotte Pound |
| Egg Rock Light Station |
| Fitch's General Store and House |
| Halfway Rock Light Station |
| Holden Town Hall |
| Hutchins House |
| Knox County Courthouse |
| McGilvery, Capt. John, House |
| McGilvery, Capt. William, House |
| Memorial Hall |
| Pennell Institute |
| Philbrook, Samuel D., House |
| Porter-Parsonfield Bridge |
| Reed School |
| Robyville Bridge |
| Rural Hall |
| Saco High School (old) |
| Saint Saviour's Episcopal Church and Rectory |
| Springdale Farm |
| Stone, Capt. Nataniel, House |
| Sunday River Bridge |
| Talbot, James R., House |
| U.S. Customhouse (Old Customhouse) and Post Office |
| Webster, Moses, House |
| Whitehead Lifesaving Station |
Data from United States Park Service and Wikidata
