6.4.1 Development Standards

1. All residential development in the RU Districts shall meet the standards in the table below. For illustrations, lot dimensions, and required yards for each housing type, see Sec. 7.1, Housing Types.

Dimensional Standard	RU-5		RU-5(2)		RU-M
Dimensional Standard	Min.	Max.	Min.	Max.	Min.	Max. without a Development Plan	Max. with a Development Plan (see paragraph 3.5.6)
Residential Density (units per acre) Project under Four Acres Project Four Acres or Greater Small Lot Option	— 6.0 —	8.0 8.0 12.0	— 6.0 —	8.0 8.0 12.0	— 8.0 —	12.0 12.0 12.0	40.0 40.0 40.0
Open Space (% of gross area)¹	5	—	5	—	6	—
Area and Width Requirements	See Sec. 7.1, Housing Types
Height²
Stories (visual articulation)	—	3	—	3	—	5
Feet	—	40	—	40	—	60

1Please see Sec. 12.5, Recreation Lands, for additional requirements that may apply.

2Height is, or may be, further limited when using the small lot option, the reduced pole width flag lot option, infill standards, a neighborhood protection overlay, or by a local historic district.

2. Maximum density can increase in accordance with paragraph 6.4.3, Residential Density, and/or Sec. 6.6, Affordable Housing Bonus. Other than these options, the maximum density shall not be exceeded even though the use of an alternative housing type may impose smaller lot size requirements.

3. If the project in the RU-M District is on at least a four-acre lot, the maximum height can be increased up to seven stories through the issuance of a minor special use permit. In no event shall the structure be more than 80 feet in height.