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�� ��_ � Community Development Memo To: City Council Members From: John Stark. Community Development Director Jamie Radel, Economic DevelopmentAssociate Date: November 15, 2006 RE: Single-Family Residential Lot SplitslMinar Subdivisions nate: 11�Zao6 Item: 4. Public Policy Lot Splits f�� � �. The City of Roseville has been asked to considerthree minor subdivision applications (Foreman, Stafne, and Mueller) in 2006 that requested to split existing single-familyresidential parcels into two or more lots. Nearly all of these applications generated concerr► from neighboring property owners as well as Planning Commission and City Council members. As such, the City Council has requested the Community Development staff begin to undertake analysis on single-familyresidential lot splits. The following memorandum will review the existing subdivision regulations as they apply to single- family residential; generally describewhere subdividable lots are located within the City; discuss the influence of lot size on community character; articulate larger city policy implications of changing single- family residential lot subdivisions; and offer potential regulation options. Review of Existing Single-Family Detached Dwelling Requirements i n the City's Subdivision and Shoreland Ordinances Under the City's current Subdivision Code's design standards, an interior single-familyresidential lot must be a minimum of 11,000 square feet with a minimum lot width of 85 feet (within the front-yard set back area) and a minimum lot depth of 110 feet, while a corner lot must be a minimum of 12,500 square feet in area and be a minimum of 1 Qp feet wide and 100 feet long (1103.06). In order to subdivide an existing single-familyresidential lot into two or more lots, the lot must be greater or equal to 22,000 square feet in area (23.500 square feet for a comer lot) and have a minimum width of 170 feet (185 feet for a subdivision that includes a corner lot). Parcels located adjacent to a lake need to meet greater minimum lot area and width. The City's Shoreland, Wetland, and Stormwater Management Ordinance requires a minimum lot area of 15.000 square feet and a minimum lot width of 100 feet (Ord. 1016.14). Subdividable Single-Family Lots Based on Subdivision Code requirements, seventy-four single-familyresidential parcels within the City meet the lot area, width, and depth minimums that would allow for the subdivision of the lot into two or more single-family residential parcels. In addition, ten lakefront properties, which are furtherguided by the Shoreland Ordinance, meet the minimum area and width requirements to allow for parcel division. As shown in Figure 1: SubdividableSingle-Family Residential Parcels, subdividable parcels are scatteredthroughoutthe City; however, there is a greaterconcentration of large lots within four areas of the community: Acom Road, Glick Lane, Lake Josephine, and Lake OwasSO. (See Figure 2: Areas of Large Lot Concentration and Figure 3: Plats by Decade for further detail on the four areas of large lot concentration.) The number of subdividablelots range from three in the Lake Josephine area to sixteen in the Glick Lane area. The date of lot platting and age structure of existing houses within the four areas indicatesthat these areas have developed over time.