| # | Building | Images | Height | Floors | Building type | Year | Status |
|---|---|---|---|---|---|---|---|
| 1 | Old Duluth Central High School | 20 | 230 ft | 4 | building with towers | 1892 | |
| 2 | Tri-Towers Apartments | 13 | ≈201 ft | 15 | high-rise building | 1973 | |
| 3 | Essentia Health St. Mary's Medical Center | 12 | ≈161 ft | 12 | high-rise building | 1957 | |
| 4 | Essentia Health Second Street Building | 1 | ≈134 ft | 10 | low-rise building | 1990 | |
| 5 | Grandview Manor | 2 | ≈120 ft | 9 | low-rise building | 1962 | |
| 6 | St. Ann's Residence for Seniors | 4 | 8 | low-rise building | 1963 | ||
| 7 | Essentia Health Duluth | 3 | ≈107 ft | 8 | low-rise building | 1934 | |
| 8 | Washington Studios | ≈80 ft | 6 | low-rise building | 1911 | ||
| 9 | Essentia Health Duluth Clinic | 3 | ≈80 ft | 6 | low-rise building | 1975 | |
| 10 | Munger Terrace | 6 | ≈67 ft | 5 | low-rise building | 1892 | |
| 11 | St. Mary's Apartments | 2 | 5 | low-rise building | 1894 | ||
| 12 | Essentia Health Support Services Building | 1 | ≈67 ft | 5 | low-rise building | 1988 | |
| 13 | Arrowhead Place | ≈67 ft | 5 | low-rise building | 1927 | ||
| 14 | New San Marco Apartments | ≈54 ft | 4 | low-rise building | 2007 | ||
| 15 | Steve O’Neil Apartments | ≈54 ft | 4 | low-rise building | 2015 | ||
| 16 | Arrowhead House West | ≈54 ft | 4 | low-rise building | - | ||
| 17 | Hotel Lincoln | ≈54 ft | 4 | low-rise building | 1926 | ||
| 18 | Olde World Inn Apartments | ≈54 ft | 4 | low-rise building | 1923 | ||
| 19 | 503 East 3rd Street | ≈54 ft | 4 | low-rise building | 1925 | ||
| 20 | Glen Park Apartments | ≈54 ft | 4 | low-rise building | 1993 |