D.C. Mun. Regs. tit. 11, § 735
735.1 An animal boarding use may be permitted as a special exception if approved by the Board of Zoning Adjustment under § 3104, subject to the requirements of this section.
735.2 The animal boarding use shall not abut a Residence Zone.
735.3 The animal boarding use shall take place entirely within an enclosed and soundproof building in such a way so as to produce no noise or odor objectionable to nearby properties. The windows and doors of the premises shall be kept closed and no animals shall be permitted in an external yard on the premises.
735.4 The animal boarding use shall place all animal waste in closed waste disposal containers and shall utilize a qualified waste disposal company to collect and dispose of all animal waste at least weekly. Odors shall be controlled by means of an air filtration system (for example, High Efficiency Particulate Air "HEPA" filtration) or an equivalently effective odor control system.
735.5 The Board may impose additional requirements pertaining to the location of buildings or other structures; entrances and exits; buffers, barriers, and fencing; soundproofing; odor control; waste storage and removal (including frequency); the species and/or number and/or breeds of animals; or other requirements, as the Board deems necessary to protect adjacent or nearby property.
735.6 External yards or other exterior facilities for the keeping of animals shall not be permitted.
735.7 Notwithstanding §735.6, an animal boarding use existing on July 11, 2005, under a Certificate of Occupancy for a "Dog Care Center" or "Dog Day Care Center," may continue the use of an external yard for the keeping of dogs if approved by the Board of Zoning Adjustment pursuant to § 3104 and the requirements of this section.
(a) The yard shall be located and designed to create no condition objectionable to adjacent properties resulting from animal noise, odor, and/or waste.
(b) The applicant shall demonstrate that the external yard will be fenced off for the safe confinement of the animals.
(c) The applicant shall demonstrate that the external yard is located entirely on private property.
(d) The Board shall establish the hours in which animals may be kept in the yard, provided that no animals shall be permitted in the yard between the hours of 8:00 p.m. and 7:00 a.m.
SOURCE: Final Rulemaking published at 53 DCR 6363 (August 4, 2006); as amended by Final Rulemaking published at 54 DCR 8943 (September 14, 2007).