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In addition to applicable provisions contained elsewhere in this code, the development standards listed in this section and in EC 9.2751 to EC 9.2777 shall apply to all development in residential zones. In cases of conflicts, standards specifically applicable in the residential zone shall apply. In cases of conflicts in this section between the general standards and the area-specific standards, the area-specific standards shall apply:

The following Table 9.2750 sets forth the residential zone development standards, subject to the special development standards in EC 9.2751.

Table 9.2750 Residential Zone Development Standards

(See EC 9.2751 Special Development Standards for Table 9.2750.)

R-1

R-1.5

R-2

R-3

R-4

Density (1)

Minimum Net Density per Acre

No Minimum

13 units

20 units

20 units

Maximum Net Density per Acre

14 units

28 units

56 units

112 units

Maximum Building Height (2), (3), (4), (5), (16), (17), (18)

Main Building. Does not include main building on Alley Access Lot in R-1

30 feet

35 feet

35 feet

50 feet

120 feet

Main Building on Alley Access Lot in R-1

See (18)

Accessory Building.

See (16)

20 feet

25 feet

30 feet

30 feet

Accessory Dwelling

See (17)

See (17)

See (17)

See (17)

Minimum Building Setbacks (2), (4), (6), (9), (10), (11), (16), (17), (18)

Front Yard Setback (excluding garages and carports)

10 feet

10 feet

10 feet

10 feet

10 feet

Front Yard Setback for Garage Doors and Carports (12)

18 feet

18 feet

18 feet

18 feet

Interior Yard Setback (except where use, structure, location is more specifically addressed below)(7)

5 feet or minimum of 10 feet between buildings

5 feet or minimum of 10 feet between buildings

5 feet or minimum of 10 feet between buildings

5 feet or minimum of 10 feet between buildings

Interior Yard Setback for Education, Government and Religious Uses.

15 feet

15 feet

15 feet

15 feet

Interior Yard Setback for Buildings Located on Flag Lots in R-1 Created After December 25, 2002 (See EC 9.2775(5)(b))

10 feet

Interior Yard Setback for Accessory Buildings in R-1

See (16)

Interior Yard Setback for Accessory Dwellings

See (17)

See (17)

See (17)

See (17)

Interior Yard Setback for Alley Access Lots in R-1

See (18)

Area-Specific Interior Yard Setback

See (8)

See (8)

Maximum Lot Coverage (17), (18)

All Lots, except where specifically addressed below

50% of Lot

50% of Lot

Lots with Accessory Dwellings (Area-Specific)

See (17)(c)

Alley Access Lots in R-1

See (18)

Rowhouse Lots

75% of Lot

75% of Lot

75% of Lot

75% of Lot

75% of Lot

Outdoor Living Area (13)

Minimum Total Open Space

20% of dev. site

20% of dev. site

20% of dev. site

Fences (14)

Maximum Height Within Interior Yard Setbacks

6 feet

42 inches

6 feet

6 feet

6 feet

Maximum Height within Front Yard Setbacks

42 inches

42 inches

42 inches

42 inches

42 inches

Deer Fencing

See EC 9.2751(14)(c)

Driveways and Parking Areas (15)

General Standards

See (15)(b)

See (15)(b)

Area-Specific

See (15)(a)

Accessory Buildings in R-1 (16)

General Standards

See (16)(a)

Area-Specific

See (16)(b)

Accessory Dwellings (17)

General Standards

See (17)(a) and (b)

See (17)(a) and (b)

See (17)(a) and (b)

See (17)(a) and (b)

Area-Specific

See (17)(c)

Alley Access Lots (18)

General Standards

See (18)(a)

Area-Specific

See (18)(b)

Maximum Bedroom Count (19)

Area-Specific

See (19)

(Section 9.2750, see chart at front of Chapter 9 for legislative history from 2/26/01 through 6/1/02; amended by Ordinance No. 20270, enacted November 25, 2002, effective December 25, 2002; amended by Ordinance No. 20285, enacted March 10, 2003, effective April 9, 2003; and Ordinance No. 20299, enacted October 22, 2003, effective November 21, 2003, remanded on February 25, 2005 and provisions administratively removed on April 11, 2005; and administratively corrected May 25, 2004; amended by Ordinance No. 20492, enacted May 14, 2012, effective June 15, 2012; Ordinance No. 20526, enacted March 12, 2014, effective April 12, 2014; Ordinance No. 20533, enacted June 23, 2014, effective July 25, 2014; Ordinance No. 20541, enacted July 28, 2014, effective August 29, 2014; Ordinance No. 20569, enacted November 14, 2016, effective December 17, 2016; Ordinance No. 20585, enacted July 17, 2017, effective August 24, 2017; and Ordinance No. 20625, enacted January 21, 2020, effective February 22, 2020.)