D.C. Municipal Regulations (Last Updated: September 13, 2017) |
Title 11. ZONING REGULATIONS OF 2016 |
SubTilte 11-B. DEFINITIONS, RULES OF MEASUREMENT, AND USE CATEGORIES |
Chapter 11-B3. GENERAL RULES OF MEASUREMENT |
Section 11-B314. FRONT SETBACKS
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314.1When a zone has a front setback requirement, all buildings and structures must be set back from the entire length of all street lot lines, except as provided in Subtitle B § 317.
314.2Front setbacks shall be regulated in one (1) of three (3) ways:
(a)By a single setback distance measurement cited for a zone which shall be applicable to all buildings and structures in the zone;
(b)By a setback range cited for a zone, within which all buildings and structures in the zone must be set back from a street lot line; or
(c)By an “existing range of blockface” cited for a zone; buildings and structures in the zone must be set back between from the street lot line by at least as much as the existing building on the blockface closest to the street, and no more than the existing building on the blockface furthest from the street.