§ 131.0455

(a) In the RM-1-1, RM-1-2, and RM-1-3 zones, at least 60 square feet of usable, private, exterior open space abutting each dwelling unit shall be provided with a minimum dimension of 6 feet in any direction. The open space may be located in required yard areas, but shall be no closer than 9 feet to the front or rear property lines, and no closer than 4 feet to the side property lines. See Diagram 131-04R. 76 Chapter 13: Zones (3-2026) Diagram 131-04R Private Exterior Open Space Required setback Building wall 60 sq ft min exterior usable open space 4' min (side yard) 9' min (front or rear yard) Max 50% of exterior usable open space may encroach into required yard 6' X 6' Square shall fit within total area of exterior usable open space Distance to property line Building (b) In the RM-2-4, RM-2-5, and RM-2-6 zones, at least 75 percent of the dwelling units shall be provided with at least 60 square feet of usable, private, exterior open space abutting the unit with a minimum dimension of 6 feet. The open space may be located in required front and rear yards, but shall be no closer than 9 feet to the front property line. (c) In the RM-3-7, RM-3-8, and RM-3-9 zones, at least 75 percent of the dwelling units shall be provided with at least 60 square feet of usable, private, exterior open space abutting the unit with a minimum dimension of 6 feet. The open space may be located in the required front yard, but shall be no closer than 9 feet to the front property line. (d) In the RM-4-10, RM-4-11, and RM-5-12 zones, at least 50 square feet of usable, private, exterior open space abutting each dwelling unit shall be provided with a minimum dimension of 4 feet. (e) In the RM-3-7, RM-3-8, RM-3-9, RM-4-10, RM-4-11, and RM-5-12 zones, where private exterior open space is not provided at the quantity required in a development pursuant to Section 131.0455(c)-(d), an equal amount of common exterior open space in addition to the requirements of Section 131.0456, which applies to premises with more than four dwelling units, shall be provided as alternative compliance to Section 131.0455(c)-(d). Chapter 13: Zones (3-2026) 77