Attached Multi-Family Development
§ 404 Attached Multi-Family Development
[Ord. of 8-17-2011; amended February 20, 2013; by Ord. No. 2013-03; 3-20-2024 by Ord. No. 2024-09]
A. Standards for Units in Existing Buildings. Multi-Family Development in existing buildings, subject to the provisions of § 113, Non-Conformance, shall meet the following standards:
1. Units in existing structures not served by municipal sewer shall be developed at a density based on no less than 20,000 square feet of lot area per unit.
2. Each unit shall have a minimum of 800 square feet of floor area, year round insulation, and a full heating system.
3. Only such additions to an existing building shall be allowed as are necessary to meet health, building and fire code requirements.
4. No additional entries shall modify the street frontage of the building.
B. Standards for New Units. New Multi-Family Development is allowed only within the area served by municipal sewer and water and shall meet the following standards:
1. Dimensional Requirements. Developments shall conform to the following dimensional requirements:
|
| OHC Zone | NHC Zone | SC Zone |
| Density and Dimensional Requirements | |||
| Dev. Land Per Unit | 20,000 square feet | 20,000 square feet | 20,000 square feet |
| Max. Lot Bldg Coverage | 5% | 5% | 5% |
| Max. Lot Coverage | 8% | 8% | 8% |
| Min. Floor Area | 800 square feet | 800 square feet | 800 square feet |
| Minimum Lot Frontage | 250 feet per 5 units OR 75 feet per unit on a private, or unpaved Town road | 250 feet per 5 units OR 75 feet per unit on a private, or unpaved Town road | 250 feet per 5 units OR 75 feet per unit on a private, or unpaved Town road |
| Setbacks |
|
|
|
| Front | 35 feet or aligned with adjacent structures | 35 feet or aligned with adjacent structures | 35 feet or aligned with adjacent structures |
| Side | 25 feet | 50 feet | 25 feet |
| Rear | 25 feet | 50 feet | 25 feet |
| Planted Buffer Along Perimeter (Depth) | 15 feet | 25 feet | 15 feet |
a. Other dimensional standards as set forth for each Zone shall apply.
2. Unit Configuration Standards. The following layout standards shall be met:
a. The project design shall provide for structures of differing sizes combined so as to provide clearly defined separate entries, both private and semi-public outdoor areas, integrated parking and walkways, and general open space. (See Diagram A)
3. Other Standards. New Multi-Family Developments shall also meet the following standards:
a. No open storage shall be permitted; storage and trash receptacles shall be provided within the building or in enclosed accessory buildings.
b. Every dwelling unit shall be properly served with sewer, water and drainage facilities installed at the developer's expense, the construction of which shall be properly guaranteed by bond, escrow account, or such similar arrangement as approved by the Zoning Board of Review.
4. Open Space. The provisions of § 402, Flexible Design Residential Development, shall apply.
| Diagram A: MULTI-FAMILY UNITS
|
| Intention: To organize multiple units so that groupings reflect shapes and sizes of Island architecture. Building groupings to vary in size so that complex appears to have major and minor buildings grouped so as to differentiate entries, private spaces, parking and common areas. |
C. Standards for Affordable Units. If a proposed attached multi-family development is to include or consist of affordable housing units, the lot area and other dimensional requirements contained in Sections 404A and B above may be modified by the Zoning Board under the applicable provisions of § 405 Affordable Housing.