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(1) MR bulk requirements shall apply for all residential development permitted in the NB, PCB, CB, GC and BP zones.

(2) When subdivisionally described, the minimum lot area shall be 1/128th of a section.

(3) When subdivisionally described, the minimum lot area shall be 1/32nd of a section.

(4) In the LDMR zone, the maximum density shall be calculated based on 4,000 square feet of land per dwelling unit, except that existing dwelling units may be retained as part of new development in the LDMR zone without counting towards the maximum density.

(5) In the MR zone the maximum density shall be calculated based on 2,000 square feet of land per dwelling unit, except that:

(a) Existing dwelling units may be retained as part of new development in the MR zone without counting towards the maximum density.

(b) For sites zoned MR, NB, PCB, CB, or GC in the Southwest UGA where any portion of the site is within 2,000 feet of the western edge of the right-of-way of State Route 99 or within 800 feet of the eastern edge of the right-of-way of State Route 99, and the site is east of State Route 525, the maximum density shall be calculated based on 750 square feet of land per dwelling unit, provided that either:

(i) One or more transfer of development rights (TDR) credits must be used to realize the additional density under subsection (5)(b) of this section according to the requirements of chapter 30.35A SCC; or

(ii) After June 11, 2020, developments for which the applicant provides documentation to the director showing that the entire project has been granted a property tax exemption by the Washington State Department of Revenue under RCW 84.36.041, 84.36.042, 84.36.043, or 84.36.560 shall be exempt from the requirements of chapter 30.35A SCC and development may be permitted up to a maximum density of 750 square feet of land per dwelling unit without using TDR credits.

(6) Commercial forestry structures shall not exceed 65 feet in height.

(7) Non-residential structures shall not exceed 45 feet in height.

(8) Lot coverage includes all buildings on the given lot.

(9) Sites zoned MR, NB, PCB, CB, or GC in the Southwest UGA where any portion of the site is within 2,000 feet of the western edge of the right-of-way of State Route 99 or within 800 feet of the eastern edge of the right-of-way of State Route 99; and the site is east of State Route 525, are exempt from minimum lot area, minimum lot width, and maximum lot coverage requirements.

(10) RESERVED for future use.

(11) These setbacks shall be measured from the property line.

(12) Greater setbacks than those listed may apply to areas subject to Shoreline Management Program jurisdiction or critical areas regulations in chapters 30.62A, 30.62B, 30.62C and 30.67 SCC. Some uses have special setbacks identified in SCC 30.23.110.

(13) The listed setbacks apply where the adjacent property is zoned F. In all other cases, setbacks are the same as in the R-8,400 zone. In the F zone, the setbacks for residential structures on 10 acres or less which were legally created prior to being zoned to F shall be the same as in the R-8,400 zone.

(14) The maximum building height is 75 feet for multifamily structures on sites zoned MR, NB, PCB, CB and GC that are in the Southwest UGA where any portion of the site within 2,000 feet of the western edge of the right-of-way of State Route 99 or within 800 feet of the eastern edge of the right-of-way of State Route 99, and the site is east of State Route 525. Subject to the requirements in SCC 30.22.100, non-residential uses are allowed on the first floor of multifamily structures on sites zoned NB, PCB, CB, and GC that are in the Southwest UGA where any portion of the site is within 2,000 feet of the edge of the right-of-way of State Route 99 and the site is east of State Route 525.

(15) See SCC 30.23.300.

(16) The maximum building height is increased an additional five feet when the building includes a daylight basement, except under conditions that would violate any other applicable requirements of Title 30 SCC, including the height limit requirements of the Shoreline Management Program (SCC 30.67.460), airport compatibility regulations (SCC 30.32E.060), and urban residential design standards (chapter 30.23A SCC).

(17) In the IP zone there shall be an additional one foot setback for every one foot of building height over 45 feet.

(18) RESERVED for future use.

(19) See SCC 30.31A.020(1) and (2) which specify the minimum area of a tract of land necessary for PCB or BP zoning.

(20) See additional setback provisions for dwellings located along the boundaries of designated farmland contained in SCC 30.32B.130.

(21) See additional setback provisions for structures located adjacent to forest lands, and/or on lands designated local forest or commercial forest contained in SCC 30.32A.110.

(22) The minimum lot size for properties designated Rural Residential (RR)--10 (Resource Transition) on the comprehensive plan shall be 10 acres.

(23) Minimum lot area requirements may be modified within UGAs in accordance with SCC 30.23.020.

(24) In rural cluster subdivisions approved in accordance with the provisions of chapter 30.41C SCC, the minimum lot area shall be as provided in SCC 30.23.220. The maximum lot area shall be 20,000 square feet or less when located in rural/urban transition areas.

(25) RESERVED for future use.

(26) RESERVED for future use.

(27) See SCC 30.23.050 for height limit exceptions. See also SCC 30.67.460 for height limit requirements within shoreline jurisdiction.

(28) RESERVED for future use.

(29) See SCC 30.23.200 et seq. for additional lot area requirements and exceptions.

(30) SCC 30.32A.120 (Siting of new structures: Commercial forest land) requires an application for a new structure on parcels designated commercial forest, but not within a designated commercial forest--forest transition area, to provide a minimum 500-foot setback, which shall be a resource protection area, from the property boundaries of adjacent commercial forest lands except that if the size, shape, and/or physical site constraints of an existing legal lot do not allow a setback of 500 feet, the new structure shall maintain the maximum setback possible, as determined by the department.

(31) Setback requirements for mineral excavation and processing are in SCC 30.23.110(27). Performance standards and permit requirements are in chapter 30.32C SCC.

(32) For mineral excavation and processing: The site shall be a contiguous geographic area and have a size of not less than 10 acres, except in the case of subsurface shaft excavations, no minimum acreage is required, pursuant to SCC 30.32C.020(1).

(33) See SCC Table 30.28.050(4)(i) for setback requirements for structures containing a home occupation.

(34) RESERVED for future use.

(35) See chapter 30.31E SCC, for more complete information on the Townhouse Zone height, setback, and lot coverage requirements.

(36) RESERVED for future use (MR and LDMR setbacks--DELETED by Ord. 05-094, effective September 29, 2005).

(37) Agriculture. All structures used for housing or feeding animals, not including household pets, shall be located at least 30 feet from all property lines.

(38) There shall be no subdivision of land designated commercial forest in the comprehensive plan except to allow installation of communication and utility facilities if all the following requirements are met:

(a) The facility cannot suitably be located on undesignated land;

(b) The installation cannot be accomplished without subdivision;

(c) The facility is to be located on the lowest feasible grade of forest land; and

(d) The facility removes as little land as possible from timber production.

(39) On parcels designated commercial forest, but not within a designated commercial forest--forest transition area, establish and maintain a minimum 500-foot setback, which shall be a resource protection area, from the property boundaries of adjacent commercial forest lands except when the size, shape, and/or physical site constraints of an existing legal lot do not allow a setback of 500 feet, the new structure shall maintain the maximum setback possible as provided in SCC 30.32A.120.

(40) Land designated local commercial farmland shall not be divided into lots of less than 10 acres unless a properly executed deed restriction which runs with the land and which provides that the land divided is to be used exclusively for agricultural purposes and specifically not for a dwelling(s) is recorded with the Snohomish County auditor.

(41) Minimum lot area in the rural use zone shall be the minimum allowed by the zone identified as the implementing zone by the comprehensive plan for the plan designation applied to the subject property. Where more than one implementing zone is identified for the same designation, the minimum lot size shall be that of the zone allowing the smallest lot size.

(42) RESERVED for future use.

(43) Additional bulk requirements may apply. Refer to SCC 30.31F.100 and 30.31F.140.

(44) The 50 percent maximum lot coverage limitation applies solely to the portion of the area within the CRC comprehensive plan designation and zone that is centered at 180th Street SE and SR 9, generally extending between the intersection of 172nd Street/SR 9 to just south of 184th Street/SR 9, as indicated on the county’s FLUM and zoning map.

(45) The 30 percent maximum lot coverage limitation applies solely to the portion area located within the CRC comprehensive plan designation and zone that is centered at State Route (SR) 9 and 164th Street SE, as indicated on the county’s Future Land Use Map (FLUM) and zoning map.

(46) Additional setbacks may apply to development within a rural cluster subdivision. Refer to chapter 30.41C SCC. Residential subdivision is restricted pursuant to SCC 30.32C.050. Uses are restricted where the R-5 zone coincides with the Mineral Resource Overlay (MRO) to prevent development which would preclude future access to the mineral resources.

(47) RESERVED for future use.

(48) RESERVED for future use.

(49) RESERVED for future use.

(50) RESERVED for future use.

(51) RESERVED for future use.

(52) RESERVED for future use.

(53) RESERVED for future use.

(54) A split parcel may be subdivided along the UGA boundary line using one of three methods. First, a split parcel may be subdivided along the UGA boundary line into two lots, whereby one lot remains within the UGA and the other lot remains outside the UGA, pursuant to SCC 30.41B.010(5). Second, a split parcel may be subdivided as part of a short plat application, pursuant to SCC 30.41B.010(8). Finally, a split parcel may be subdivided as part of a plat application, pursuant to SCC 30.41A.010(3).

(55) See SCC 30.42E.100(9)(c).

(56) RESERVED for future use.

(57) RESERVED for future use.

(58) RESERVED for future use.

(59) Relationship of setback to building height:

The minimum setback requirements are dependent on the heights of the building as specified in this column. To meet the setback requirements, buildings over 20 feet in height must either:

(a) Set the entire building back the minimum setback distance; or

(b) Stepback those portions of the building exceeding 20 feet in height to the minimum setback distance, as illustrated in Figure 30.23.040(59).

Figure 30.23.040(59). Example of relationship of building height to stepback

(60) Stepback those portions of the building exceeding 45 feet in height from the minimum side and rear yard setbacks by one additional foot for each additional two feet of building height.

(61) Single-family detached, single-family attached and duplex structures shall comply with the minimum setbacks required in the R-8,400 zone.

(62) Fencing between single-family detached, single-family attached and duplex structures shall be:

(a) Prohibited in the area that is within five feet of a third story ingress/egress window so ladder access to the third floor window is not impeded; or

(b) Limited to either vegetative, wood, block, concrete or metal that does not exceed 42 inches in height.

(63) Additional building height up to a maximum of 125 feet may be allowed under certain circumstances as provided for in SCC 30.34A.040(1).

(64) If located within an airport compatibility area, building height is subject to the requirements of SCC 30.32E.060.

(65) Townhouse and mixed townhouse development may achieve the following density:

(a) For the R-7,200 zone, the maximum density shall be calculated based on 7,200 square feet of land per dwelling unit, but the maximum density may be increased up to 50 percent. Existing dwelling units may be retained as part of new development without counting towards the maximum density.

(b) For the LDMR and MR zones, the maximum density established under subsections (4) and (5) of this section may be increased up to 50 percent.

(c) Maximum density shall be determined by rounding up to the next whole unit when a fraction of a unit is equal to five-tenths or greater.

(66) The maximum lot coverage in townhouse and mixed townhouse developments is 50 percent in the LDMR zone and 50 percent in the MR zone except sites zoned MR where any portion of the site is within 2,000 feet of the western edge of the right-of-way of State Route 99 or within 800 feet of the eastern edge of the right-of-way of State Route 99, and the site is east of State Route 525 are exempt from maximum lot coverage requirements consistent with SCC 30.23.040(9).

(67) See SCC 30.23.310. (Added by Amended Ord. 02-064, Dec. 9, 2002, Eff date Feb. 1, 2003; Amended by Ord. 05-094, Sept. 14, 2005, Eff date Sept. 29, 2005; Amended by Amended Ord. 05-083, Dec. 21, 2005, Eff date Feb. 1, 2006; Amended by Amended Ord. 05-087, Dec. 21, 2005, Eff date Feb. 1, 2006; Amended by Amended Ord. 06-004, Mar. 15, 2006, Eff date Apr. 4, 2006; Amended by Ord. 06-062, Oct. 4, 2006, Eff date Oct. 15, 2006; Amended by Ord. 06-075, Oct. 4, 2006, Eff date Oct. 15, 2006; Amended by Amended Ord. 07-022, Apr. 23, 2007, Eff date June 4, 2007; Amended by Amended Ord. 07-029, Apr. 25, 2007, Eff date May 10, 2007; Amended by Amended Ord. 06-061, Aug. 1, 2007, Eff date Oct. 1, 2007; Amended by Amended Ord. 07-084, Sept. 5, 2007, Eff date Sept. 21, 2007; Amended by Amended Ord. 08-101, Jan. 21, 2009, Eff date Apr. 21, 2009; Amended by Amended Ord. 08-087, Feb. 4, 2009, Eff date Apr. 5, 2009; Amended by Amended Ord. 09-079, May 12, 2010, Eff date May 29, 2010; Amended by Amended Ord. 10-072, Sept. 8, 2010, Eff date Oct. 3, 2010; Amended by Amended Ord. 12-018, May 2, 2012, Eff date May 21, 2012; Amended by Amended Ord. 12-025, June 6, 2012, Eff date July 27, 2012; Amended by Amended Ord. 12-049, Oct. 3, 2012, Eff date Jan. 1, 2013; Amended by Amended Ord. 15-025, May 6, 2015, Eff date May 24, 2015; Amended by Ord. 15-103, Jan. 11, 2016, Eff date Jan. 22, 2016; Amended by Amended Ord. 16-029, May 11, 2016, Eff date May 23, 2016; Amended by Amended Ord. 17-004, May 10, 2017, Eff date June 1, 2017; Amended by Ord. 17-062, Oct. 18, 2017, Eff date Dec. 17, 2017; Amended by Amended Ord. 18-026, May 23, 2018, Eff date June 11, 2018; Amended by Ord. 20-020, June 24, 2020, Eff date July 11, 2020; Amended by Ord. 20-080, Dec. 16, 2020, Eff date Jan. 9, 2021; Amended by Amended Ord. 21-004, Mar. 15, 2021, Eff date Mar. 26, 2021; Amended by Amended Ord. 21-060, Oct. 6, 2021, Eff date Oct. 22, 2021; Amended by Amended Ord. 22-016, May 4, 2022, Eff date May 19, 2022; Amended by Amended Ord. 23-033, June 7, 2023, Eff date June 23, 2023).