Section 23-42 - Height and Setback Requirements in R1 Through R5 Districts
R1 R2 R3 R4 R5
In the districts indicated, the height and setback regulations of a building or other structure shall be as set forth in Section 23-421 (Basic pitched-roof envelopes for certain districts) and 23-422 (Basic flat-roof envelopes for certain districts). Where applicable, standard setback provisions are set forth in Section 23-423.
Such heights may be increased on qualifying residential sites or on zoning lots containing qualifying senior housing , or for certain large sites , pursuant to Sections 23-424 or 23-425 , respectively.
Additional provisions are set forth in Section 23-426 and Section 23-44 , inclusive.
The height of all buildings or other structures shall be measured from the base plane . For the purposes of this Section, where base planes of different elevations apply to different portions of a building or other structure , each such portion of the building may be considered to be a separate building . Furthermore, for the purposes of this Section, building segments may be considered to be separate buildings and abutting semi-detached buildings may be considered to be one building .