211.1 A lot shall have a green area ratio (GAR) of at least 0.3, except that:

(a) A lot with a principal building that is one (1) story in height shall have a GAR of at least 0.1; and

(b) A lot with a principal building that is two (2) stories in height shall have a GAR of at least 0.2.

211.2 For lots that have more than one (1) building, the GAR requirement shall be that applicable to the tallest building; unless the tallest building has a footprint less than four hundred and fifty square feet (450 sq. ft.). In such case the building with the largest footprint shall constitute the principal building for the purposes of determining the GAR requirement.

SOURCE: Final Rulemaking published at 70 DCR 011297 (August 25, 2023).