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D.C. Municipal Regulations (Last Updated: September 13, 2017) |
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Title 11. ZONING REGULATIONS OF 1958 |
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Chapter 11-26. INCLUSIONARY ZONING |
Section 11-2604. BONUS DENSITY
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2604.1 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.).
2604.2Inclusionary 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
2604.3Inclusionary 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