April 7, 1873 – Company organized at 84 Northampton Street , South End, at the quarters of Hose Company 4, which was disbanded.
February, 11, 1875 – Company changed from Call status to Permanent status.
1882 – Foreman Nathan L. Hussey, Engine Company 23, was awarded the Roll Of Merit.
June 23, 1903 – Hoseman Edwin Amsden, Engine Company 23, was profiled in a Boston Globe newspaper story, upon his retirement from the Department. Profile
May 2, 1920 – Company received a new 1920 American LaFrance, Type 12, motor pumping engine, Serial # 2801, Shop # 130 and a new 1920 American LaFrance, Type 40, motor Hose & Chemical hose wagon, Serial # 2804, Shop # 326.
August 26, 1930 – Company received a new 1930 American LaFrance, Type 212, Hose & Booster Wagon, Serial # 7236, Shop # 378.
1936 – Company received a 1920 American LaFrance, Type 12, 1000gpm pumper, Serial # 3156, Shop # 134.
1938 – Hoseman Dennis J. McLaughlin, Engine Company 23, was awarded the Roll Of Merit.
1939 – Company again received the 1920 American LaFrance, Type 12, 1000gpm pumper, Serial # 2801, Shop # 130.
1941 – Company received a 1923 American LaFrance, Type 75, Hose & Chemical Wagon, Serial # 4352, Shop # 347.
1945 – Company received a 1932 American LaFrance, Type 307RC, 1000gpm pumper, Serial # 7417, Shop # 185.
March 28, 1948 – Company moved to the quarters of Engine 22 & Ladder 13 at 70 Warren Avenue , South End.
May 28, 1948 – Company received a new 1948 Mack, Type 85, 750gpm pumper, Serial # 85LS-1257, Shop # 194.
1948 – Company received a 1931 American LaFrance, Type 212, Hose & Booster Wagon, Serial # 7372, Shop # 384.
August 20, 1951 – Company moved into a new firehouse at 900 Massachusetts Avenue , opposite Pompeii Street, Roxbury, as part of the newly constructed Headquarters complex. The address was changed at a later date to 920 Massachusetts Avenue.
July 13, 1954 – COMPANY DEACTIVATED