III Business And Employment Districts
| Map Symbol | District Name |
| B-1 | Limited Retail Business |
| B-2 | General Retail Business |
| B-3 | General Services and Highway Business |
| O-R | Office-Research |
| O-R-M | Office-Research-Manufacturing |
| M-1 | Light Manufacturing |
| M-2 | Restricted Manufacturing |
Principal uses are allowed in business and employment districts in accordance with Table 5-1. Only one principal building may be located on a single lot in the B, O and M districts.
(Ord. No. 5706, 7/10/18)
The lot and building regulations of Table 3-2 apply to all principal uses and structures in B, O and M districts, except as otherwise expressly stated in this zoning ordinance. General exceptions to lot and building regulations and rules for measuring compliance can be found in Article XIV of this Chapter. Additional regulations governing accessory uses and structures can be found in DGMC Section 28.6.010. See also Figure 2-1.
Table 3-2: B, O and M District Lot and Building Regulations
| Regulations | B-1 | B-2 | B-3 | O-R | O-R-M | M-1 | M-2 | |
| Minimum District Area (acres) | 2 | 4 | 4 | 10 | 5[1] | 6 | 6 | |
| L1 | Minimum Lot Area (square feet) | - | - | - | - | 20,000 | 20,000 | 20,000 |
| Minimum Lot Area Per Dwelling Unit (square feet) | Same as R6 | - | - | - | - | - | ||
| Maximum Floor Area Ratio (FAR) | 0.40 | 0.75 | 0.75 | 0.75[2] | 0.80/1.00[3] | 1.00 | 1.00 | |
| Maximum Building Coverage (% of lot) | - | - | - | - | - | 60 | 60 | |
| Building Setbacks (feet) | ||||||||
| S1 | Street (see also Sec. 3.040) | 25 | 25 | 25 | 75[6] | 35[7] | 35[7] | 35[7] |
| S2 | Side (interior) | -[4] | -[4] | -[4] | 30[6] | 10[8] | 10[8] | 20[7][9] |
| S3 | Rear (residential floors) | 30 | 30 | 30 | - | - | - | - |
| S3 | Rear (nonresidential floors) | -[5] | -[5] | -[5] | 50[6] | 10[8] | 10[8] | 20[7][9] |
| Min. Landscaped Open Space (% of lot)[10] | 10 | 10 | 10 | 20 | 15 | 10[11] | 10 | |
| Maximum Building Height (feet) | 35 | 35 | 60 | 112 | 126/140[3] | 37.5 | 37.5 | |
Notes to Table 3-2:
[1] No minimum district area required north of Ronald Reagan Memorial Tollway or to property zoned M-1 or M-2 on 10-25-1982.
[2] Buildings with a floor area ratio (FAR) in excess of one-half (0.50) are subject to the following:
(1) required parking for floor area in excess of one-half (0.50) FAR must be located underground or in parking garage and
(2) landscaped open space must be provided on at least twenty percent (20%) of the lot.
[3] South of Ronald Reagan Memorial Tollway/North of Ronald Reagan Memorial Tollway.
[4] On lots abutting R districts, minimum side setback of abutting R district must be provided, plus one foot (1') of additional setback for each foot of building height above twenty feet (20'). See Figure 3-1.
[5] On lots abutting rear lot line of property in R district, a minimum twenty foot (20') rear setback is required, plus one foot (1') of set-back per foot of building height above tweenty feet (20'). On lots abutting side lot line of property in R district, minimum side setback of abutting R district must be provided, plus one foot (1') of additional setback per foot of building height above twenty feet (20').
[6] Plus one foot (1') of additional setback for foot of building height above fifty feet (50').
[7] Plus one foot (1') of additional setback for each two feet (2') of building height above thirty-five feet (35').
[8] On lots abutting property in R district, a minimum thirty foot (30') setback is required, plus one foot (1') of additional setback for each two feet (2') of building height above twenty feet (20'). Parking must be set back at least fifteen feet (15') from abutting R district.
[9] Minimum seventy-five foot (75') setback required abutting R district.
[10] At least fifty percent (50%) of required landscaped open space must be located in the street yard.
[11] No minimum street yard landscaping required for properties abutting I-355 and frontage along west side of Thatcher Road.
Figure 3-1: Side Setbacks Abutting R Districts
Special street setback requirements are established to reflect existing neighborhood conditions, historical building patterns and other unique context issues. The special street setback requirements of Table 3-3 govern in the case of conflict with the lot and building regulations in Table 3-2.
Table 3-3: Special Street Setback Requirements in B, O and M District
| Street Frontage or Area[1] | B-1 | B-2 | B-3 | O-R | O-R-M | M-1 | M-2 |
| Douglas Road (between Rogers Street and Maple Ave.) | - | - | - | - | - | 10 | - |
| Inverness Road, North Side (between Belmont Road and Janes Ave.) | - | - | - | - | - | 25 | - |
| Maple Avenue, South Side | - | - | - | - | 10 | 10 | - |
| Ogden Avenue (from ROW centerline) | |||||||
| Principal and accessory buildings | 75 | 75 | 75 | - | 75 | 75[4] | - |
| Canopy | 50[2] | 50[2] | 50[2] | - | - | - | - |
| Other (e.g., parking, fences, light poles) | 50 | 50 | 50[3] | - | 50 | 50[4] | - |
| Second Street (between Wilcox Ave. and Cumnor Road) | - | - | - | - | - | 60 | - |
| Warren Avenue, South Side (between Lee Street and Saratoga Ave.) | - | - | - | - | - | 10[5] | - |
Notes to Table 3-3
[1] All setbacks measured in feet from lot line unless otherwise expressly indicated.
[2] Or eight feet (8') from lot line, whichever provides the greater setback. Vertical canopy supports subject to fifty-eight foot (58') minimum setback from ROW centerline. See Figure 3-2.
[3] Setback for parking and vehicle display reduced to eight feet (8') along non-Ogden (corner) street frontage.
[4] Setback reduced to eight feet (8') along non-Ogden (corner) street frontage.
[5] Applies only to lots that were classified for manufacturing uses as of January 1, 1950.
Figure 3-2: Canopy Setbacks
Uses and development in business and employment zoning districts may be subject to other regulations and standards, including the following.
III Business And Employment Districts
| Map Symbol | District Name |
| B-1 | Limited Retail Business |
| B-2 | General Retail Business |
| B-3 | General Services and Highway Business |
| O-R | Office-Research |
| O-R-M | Office-Research-Manufacturing |
| M-1 | Light Manufacturing |
| M-2 | Restricted Manufacturing |
Principal uses are allowed in business and employment districts in accordance with Table 5-1. Only one principal building may be located on a single lot in the B, O and M districts.
(Ord. No. 5706, 7/10/18)
The lot and building regulations of Table 3-2 apply to all principal uses and structures in B, O and M districts, except as otherwise expressly stated in this zoning ordinance. General exceptions to lot and building regulations and rules for measuring compliance can be found in Article XIV of this Chapter. Additional regulations governing accessory uses and structures can be found in DGMC Section 28.6.010. See also Figure 2-1.
Table 3-2: B, O and M District Lot and Building Regulations
| Regulations | B-1 | B-2 | B-3 | O-R | O-R-M | M-1 | M-2 | |
| Minimum District Area (acres) | 2 | 4 | 4 | 10 | 5[1] | 6 | 6 | |
| L1 | Minimum Lot Area (square feet) | - | - | - | - | 20,000 | 20,000 | 20,000 |
| Minimum Lot Area Per Dwelling Unit (square feet) | Same as R6 | - | - | - | - | - | ||
| Maximum Floor Area Ratio (FAR) | 0.40 | 0.75 | 0.75 | 0.75[2] | 0.80/1.00[3] | 1.00 | 1.00 | |
| Maximum Building Coverage (% of lot) | - | - | - | - | - | 60 | 60 | |
| Building Setbacks (feet) | ||||||||
| S1 | Street (see also Sec. 3.040) | 25 | 25 | 25 | 75[6] | 35[7] | 35[7] | 35[7] |
| S2 | Side (interior) | -[4] | -[4] | -[4] | 30[6] | 10[8] | 10[8] | 20[7][9] |
| S3 | Rear (residential floors) | 30 | 30 | 30 | - | - | - | - |
| S3 | Rear (nonresidential floors) | -[5] | -[5] | -[5] | 50[6] | 10[8] | 10[8] | 20[7][9] |
| Min. Landscaped Open Space (% of lot)[10] | 10 | 10 | 10 | 20 | 15 | 10[11] | 10 | |
| Maximum Building Height (feet) | 35 | 35 | 60 | 112 | 126/140[3] | 37.5 | 37.5 | |
Notes to Table 3-2:
[1] No minimum district area required north of Ronald Reagan Memorial Tollway or to property zoned M-1 or M-2 on 10-25-1982.
[2] Buildings with a floor area ratio (FAR) in excess of one-half (0.50) are subject to the following:
(1) required parking for floor area in excess of one-half (0.50) FAR must be located underground or in parking garage and
(2) landscaped open space must be provided on at least twenty percent (20%) of the lot.
[3] South of Ronald Reagan Memorial Tollway/North of Ronald Reagan Memorial Tollway.
[4] On lots abutting R districts, minimum side setback of abutting R district must be provided, plus one foot (1') of additional setback for each foot of building height above twenty feet (20'). See Figure 3-1.
[5] On lots abutting rear lot line of property in R district, a minimum twenty foot (20') rear setback is required, plus one foot (1') of set-back per foot of building height above tweenty feet (20'). On lots abutting side lot line of property in R district, minimum side setback of abutting R district must be provided, plus one foot (1') of additional setback per foot of building height above twenty feet (20').
[6] Plus one foot (1') of additional setback for foot of building height above fifty feet (50').
[7] Plus one foot (1') of additional setback for each two feet (2') of building height above thirty-five feet (35').
[8] On lots abutting property in R district, a minimum thirty foot (30') setback is required, plus one foot (1') of additional setback for each two feet (2') of building height above twenty feet (20'). Parking must be set back at least fifteen feet (15') from abutting R district.
[9] Minimum seventy-five foot (75') setback required abutting R district.
[10] At least fifty percent (50%) of required landscaped open space must be located in the street yard.
[11] No minimum street yard landscaping required for properties abutting I-355 and frontage along west side of Thatcher Road.
Figure 3-1: Side Setbacks Abutting R Districts
Special street setback requirements are established to reflect existing neighborhood conditions, historical building patterns and other unique context issues. The special street setback requirements of Table 3-3 govern in the case of conflict with the lot and building regulations in Table 3-2.
Table 3-3: Special Street Setback Requirements in B, O and M District
| Street Frontage or Area[1] | B-1 | B-2 | B-3 | O-R | O-R-M | M-1 | M-2 |
| Douglas Road (between Rogers Street and Maple Ave.) | - | - | - | - | - | 10 | - |
| Inverness Road, North Side (between Belmont Road and Janes Ave.) | - | - | - | - | - | 25 | - |
| Maple Avenue, South Side | - | - | - | - | 10 | 10 | - |
| Ogden Avenue (from ROW centerline) | |||||||
| Principal and accessory buildings | 75 | 75 | 75 | - | 75 | 75[4] | - |
| Canopy | 50[2] | 50[2] | 50[2] | - | - | - | - |
| Other (e.g., parking, fences, light poles) | 50 | 50 | 50[3] | - | 50 | 50[4] | - |
| Second Street (between Wilcox Ave. and Cumnor Road) | - | - | - | - | - | 60 | - |
| Warren Avenue, South Side (between Lee Street and Saratoga Ave.) | - | - | - | - | - | 10[5] | - |
Notes to Table 3-3
[1] All setbacks measured in feet from lot line unless otherwise expressly indicated.
[2] Or eight feet (8') from lot line, whichever provides the greater setback. Vertical canopy supports subject to fifty-eight foot (58') minimum setback from ROW centerline. See Figure 3-2.
[3] Setback for parking and vehicle display reduced to eight feet (8') along non-Ogden (corner) street frontage.
[4] Setback reduced to eight feet (8') along non-Ogden (corner) street frontage.
[5] Applies only to lots that were classified for manufacturing uses as of January 1, 1950.
Figure 3-2: Canopy Setbacks
Uses and development in business and employment zoning districts may be subject to other regulations and standards, including the following.