23.50A.100
Floor area
Seattle Municipal Code · Seattle Mun. Code § 23.50A.100
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A. Floor Area Ratio (FAR) limits apply in all Industrial zones as shown in Table A for 23.50A.100. The applicable FAR limit applies to the total chargeable floor area of all structures on the lot. Extra floor area above the FAR limits of Table A for 23.50A.100 may be achieved through the provisions of Sections 23.50A.120 through 23.50A.128 . Table A for 23.50A.100 Floor Area Ratio (FAR) limits Zone designation FAR limits for all uses MML 2.5 UI U/45 3.0 UI U/60 4.0 UI U/85 4.5 II U/85* 2.75 II U/125* 2.5 II U/160* 2.5 IC-30 2.75 IC-40 2.75 IC 65 2.75 UI zones within the Stadium Transition Area Overlay District 4.5 II 85-240 zone* Base of 2.5 FAR for all permitted uses, except that the combined chargeable floor area of the following uses is limited to 1 FAR or 50,000 square feet, whichever is greater: entertainment uses; lodging uses; medical services; office; restaurant; major durables retail sales; automotive sales and services; religious facilities; and general sales and services. * Extra FAR above this limit may be achieved through the extra floor area provisions of Section 23.50A.120 through 23.50A.128 . B. Exemptions from FAR calculations 1. The following areas are exempt from FAR calculations in all industrial zones: a. All stories, or portions of stories, that are underground; b. All gross floor area used for accessory parking, except as provided in subsection 23.50A.100.C; c. All gross floor area located on the rooftop of a structure and used for any of the following: mechanical equipment, stair and elevator penthouses, and communication equipment and antennas; d. All gross floor area used for covered rooftop recreational space of a building existing as of June 1, 2023, in an MML zone, if complying with subsection 23.50A.040.E; and e. Bicycle commuter shower facilities. 2. In addition to areas exempt from FAR calculations in subsection 23.50A.100.B.1, within an II 85-240 zone, the following exemptions from FAR calculations apply: a. As an allowance for mechanical equipment, 3.5 percent of the total chargeable gross floor area that is not otherwise exempt under this subsection 23.50A.100.B. b. All gross floor area for solar collectors and wind-driven power generators. c. The gross floor area of the following uses located at street level: 1) General sales and service uses; 2) Eating and drinking establishments; 3) Entertainment use; 4) Public libraries; 5) Child care centers; 6) Religious facilities; and 7) Automotive sales and service. 3. In addition to areas exempt from FAR calculations in subsection 23.50A.100.B.1, within MML zones, the gross floor area of rooftop recreational space accessory to office use meeting the standards of subsection 23.50A.040.E is exempt from FAR calculations. 4. In addition to areas exempt from FAR calculations in subsection 23.50A.100.B.1, within the II 125 and II 160 zones space occupied by a vocational, educational, or training institution for activities related to industrial uses is exempt from FAR calculations. C. Within II 85-240, II 125, and II 160 zones, gross floor area used for accessory parking within stories that are completely above finished grade is not exempt, except that in an II 85-240 zone, if the Director finds, as a Type I decision, that locating all parking below grade is infeasible due to physical site conditions such as a high water table, contaminated soils conditions, or proximity to a tunnel, and that the applicant has placed or will place the maximum feasible amount of parking below or partially below grade, the Director may exempt all or a portion of accessory parking that is above finished grade. If any exemption is allowed under this subsection 23.50A.100.C, all parking provided above grade shall be subject to the screening requirements of subsection 23.50A.190.B.4. ([Renumbered from 23.50A.010]; Ord. 126862 , § 8, 2023.)