name                  street address years as tallest height ft ( m )  floors
0                 fidelity building   05.0 210 north charles street      1893 - 1901        220 (67)      15
1                 one calvert plaza  04.0 201 east baltimore street      1901 - 1911        249 (76)      16
2     emerson bromo - seltzer tower    06.0 312 west lombard street      1911 - 1923        289 (88)      15
3     constellation energy building   02.0 39 west lexington street      1916 - 1923        289 (88)      21
4       b&o railroad grain terminal         07.0 1700 beason street      1923 - 1924        310 (94)      24
5  baltimore trust company building            01.0 10 light street      1924 - 1973       509 (155)      37
6                transamerica tower           03.0 100 light street   1973 - present       529 (161)      40

Table as JSON:
{"name":{"0":"fidelity building","1":"one calvert plaza","2":"emerson bromo - seltzer tower","3":"constellation energy building","4":"b&o railroad grain terminal","5":"baltimore trust company building","6":"transamerica tower"},"street address":{"0":"05.0 210 north charles street","1":"04.0 201 east baltimore street","2":"06.0 312 west lombard street","3":"02.0 39 west lexington street","4":"07.0 1700 beason street","5":"01.0 10 light street","6":"03.0 100 light street"},"years as tallest":{"0":"1893 - 1901","1":"1901 - 1911","2":"1911 - 1923","3":"1916 - 1923","4":"1923 - 1924","5":"1924 - 1973","6":"1973 - present"},"height ft ( m )":{"0":"220 (67)","1":"249 (76)","2":"289 (88)","3":"289 (88)","4":"310 (94)","5":"509 (155)","6":"529 (161)"},"floors":{"0":15,"1":16,"2":15,"3":21,"4":24,"5":37,"6":40}}