D.C. Mun. Regs. tit. 11, r. 11-2604
Inclusionary developments subject to the provisions of this chapter, except those located in the StE District, may construct up to twenty percent (20%) more gross floor area than permitted as a matter of right ("bonus density"), subject to all other zoning requirements (as may be modified herein) and the limitations established by the Act to Regulate the Height of Buildings in the District of Columbia, approved June 1, 1910 (36 Stat. 452; D.C. Official Code § 6-601.01, et seq. (2001 Ed.).
Inclusionary developments in zoning districts listed in the chart below may use the following modifications to height and lot occupancy in order to achieve the bonus density:
Base Zone | Matter-of-Right Zoning Constraints | IZ Zoning Modifications | |||
Lot Occupancy | Zoning Height (feet) | Zoning FAR | Lot Occupancy | Height (feet) | |
R-5-E | 75% | 90 | 6.00 | 90% | 90 |
CR | 75% | 90 | 6.00 | 80% | 100 |
C-2-A | 60% | 50 | 2.50 | 75% | 50 |
C-2-B | 80% | 65 | 3.50 | 80% | 70 |
C-2-C | 80% | 90 | 6.00 | 90% | 90 |
C-3-A | 75% | 65 | 4.00 | 80% | 65 |
W-1 | 80% | 40 | 2.50 | 80% | 50 |
W-2 | 75% | 60 | 4.00 | 75% | 80 |
W-3 | 75% | 90 | 6.00 | 80% | 100 |
SP-1 | 80% | 65 | 4.00 | 80% | 70 |
SP-2 | 80% | 90 | 6.00 | 90% | 90 |
Inclusionary developments in R-2 through R-4 zoning districts may use the minimum lot dimensions as set forth in the following table:
Base Zone | IZ Zoning Modifications | ||
IZ Min. Lot Area (square feet) | Min. Lot Width (feet) | Min Lot Width (feet) Special Exception | |
R-2 Detached | 3,200 | 40 | 32 |
R-2 Semi-Detached | 2,500 | 30 | 25 |
R-3 | 1,600 | 20 | 16 |
R-4 | 1,500 | 18 | 16 |
D.C. Mun. Regs. tit. 11, r. 11-2604