The PDR-4 zone is intended to permit high-density commercial and PDR activities employing a large workforce and requiring some heavy machinery under controls that minimize any adverse impacts on adjacent, more restrictive zones and minimize non-industrial uses.
| Development Standards | |||||||
| Floor Area Ratio (max.)1, 2 | Height (ft.)3, 4 | Transition Setback | Rear Setback (ft.) | Side Setback (ft.) | Green Area Ratio (min.) | Zoning Regulation Reference | |
| PDR-4 | 6.0 | 90 | See Subtitle J § 207 | See Subtitle J § 205 | None unless abutting a residential zone or lot developed for residential use (see Subtitle J § 206) | 0.30 (see Subtitle J § 208) | Subtitle J, Chapter 2 |
| 1.0 (max. for restricted uses) | |||||||
| Use Permissions | Courts | Parking | Loading | Alley Lots | Inclusionary Zoning |
| Subtitle U, Chapter 8 | Subtitle J, § 209 | Subtitle C, Chapter 7 | Subtitle C, Chapter 9 | Subtitle J, Chapter 3 | Subtitle C, Chapter 10 |
1 The following use categories may achieve the maximum FAR: agriculture, large; animal care and boarding and animal shelter; arts, design, and creation; basic utilities; large scale government; production, distribution, and repair; and waste-related services. All other permitted, conditional, or special exception use categories are subject to the maximum restricted uses FAR.
2 Development on a lot that directly abuts a residentially zoned property with a lower height limit, shall not project above a plane drawn at a 1:1 angle subject to the following: (a) the plane shall be measured 10 ft. above the by-right height of the abutting residential property line; and (b) the measuring point shall be established at the middle of the abutting residential property line.
3 A building or other structure may be erected to a height not exceeding 90 ft., provided that the building or structure shall be removed from all lot lines of its lot for a distance equal to the height of the building or structure above the natural grade.
4 An institutional building or structure may be erected to a height not exceeding 90 ft., provided that the building or structure shall be removed from all lot lines of its lot a distance of not less than 1 ft. for each foot of height in excess of that authorized in the zone in which it is located.