01/28/2004 P&Z Packet - Laserfiche WebLink

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Housing in Residential Districts. Average Gross Densities. Average Gross Density targets are required for the Residential District.. The Average Gross Density, equal to the number of housing units per Gross Developable Acreage (GDA), allows variation in lot size. That is, individual unit lot sizes may be built at a density that is lower or higher than the minimum and maximum shown in Table 6 as long as the Average Gross Density across all units in the Residential District falls within the 10 to 24 units per acre range. If one developer is developing a Residential District, an entire lotting plan shall be submitted at one time, rather than in a piecemeal fashion, in order to ensure the density requirements and minimum housing unit count targets will be met across the District. Land allocated to different developers within one District may be combined and submitted on one lotting plan, to allow each developer to build a greater range of lot and unit sizes. If there is more than one developer and it is not possible for each developer to submit on one lotting plan, each plan must fall within the minimum and maximum density requirementsA bond, or some other guarantee from developers may be required to ensure that enough residential units are built as planned. Gross Developable Acreage (GDA). GDA is the total buildable area within a Residential District and includes publicly- accessible commons and local streets that serve the housing. It does not include environmentally constrained land such as wetlands or forested areas or required streets that serve the greater Town Center. Number of Housing Units. The minimum and maximum number of housing units shown in Table 6 must be built within each Residential District, or an equivalent number in the Mixed -Use Districts as discussed in the next section. NOTES: • Density Applicability. Density limits apply only to units built in the Residential District. They do not apply to units built in Mixed -Use Districts. • Unit Count Applicability. Unit counts apply across Residential and Mixed -Use Districts. Adjustments to District Boundaries If minor Residential District boundary adjustments are necessary following further environmental analysis or for other reasons, the required minimum number of housing units must still be built within the Residential District or in adjacent Mixed -Use Districts in the Town Center. Variation in Housing Mix Within the Residential District, a mix of housing models and architectural treatments is required as follows: Facade Treatment. A variety of unique architectural treatments for each housing type is required. The architectural treatments must differ in each of three categories: a) facade color, roof color, or siding material; b) window pattern and trim detail; and c) porch, entryway, or balcony detailing. Identical buildings shall not be adjacent to or across the street from each other.