Chap. 1925. R-1 One-Family Residence Districts.
Chap. 1927. R-2 One and Two-Family Residence Districts.
Chap. 1929. R-3 One to Six-Family Residence Districts.
Chap. 1931. R-4 Multi-Family Residence Districts.
Chap. 1933. B-P Professional Office Districts.
Chap. 1935. B-1 Local Retail Business Districts.
Chap. 1937. B-2 General Business Districts.
Chap. 1938. B-2A Automotive Business District.
Chap. 1939. M-U Mixed-Use District.
Chap. 1941. I-1 Industrial Districts.
Chap. 1942. I-2 Industrial Districts.
Chap. 1943. H-1 Historical Overlay Districts.
Chap. 1944. H-D Historic Downtown.
Chap. 1945. PRD Planned Residential Developments.