From and after the date of the final adoption of this chapter, no building shall thereafter be used, and no building or part thereof shall be erected, reconstructed, converted, enlarged, moved, or structurally altered unless accomplished within the provisions of this chapter.

Every building hereafter erected, reconstructed, converted, moved or structurally altered shall be located on a lot of record, and in no event shall there be more than one main building on any one lot unless otherwise provided for in this chapter.

The minimum yards, height limits, parking spaces and open spaces, including lot area per family, required by this chapter for each and every building existing at the time of passage of this chapter or for any building hereafter erected shall not be encroached upon or considered as required yard or open space for any other building, except as hereinafter provided, nor shall any lot area or lot dimensions be reduced below the requirements of the provisions of this chapter.

No accessory building shall be constructed more than six months prior to beginning construction of the main building. No accessory building shall be used for more than six months unless the main building on the lot is also being used or unless the main building is under construction.

For the purposes of this chapter, permitted uses are listed for the various districts. Unless the contrary is clear from the context of the lists of permitted uses or other provisions of this chapter, uses not specifically listed are prohibited.

Height, area and bulk regulations applicable to each district are contained in a chart or table in Article XXI.[1] The table, and all of the notations and requirements which are shown in it or which accompany it shall be a part of this chapter and have the same force and effect as if all of the notations and requirements were fully set forth or described herein. In general, the provisions of this chapter applicable to a particular district are contained in the table to the right of the district name and between the same sets of horizontal lines which contain the district name. Regulations which apply to more than one district are indicated by an extension across horizontal lines as shown on the chart or table.

In any district where an ornamental fence or wall is allowed, it may not measure more than four feet in height or project into or enclose any required front yard to a depth from the street line equal to the required depth of the front yard; provided, however, that no such ornamental fence or wall may be erected which shall obstruct the view of any motorist. Ornamental fences or walls may project into or enclose other required yards, provided that such fences and walls do not exceed a height of six feet; provided, however, that no such ornamental fence or wall may be erected which shall obstruct the view of any motorist. Such fences and walls may be constructed at the property line.

Two accessory buildings, as defined in this chapter, without any plumbing and used solely for domestic storage, but excluding the storage of any motor vehicle having a gross weight in excess of 1,000 pounds, may be erected, constructed or installed in any district, provided that such accessory buildings are detached from and located to the rear of the main building and each shall have two side yards, each of which shall be at least three feet in width and one rear yard at least three feet in depth and, provided, further, that each such building shall not exceed a maximum height of 10 feet or more than 180 square feet in area.

Any television antenna or other device erected, placed or installed on any property to receive television signals shall be considered to be an accessory building and shall be erected, installed or placed at the rear of the main building located on the property and shall comply with all setbacks in the district in which the property is located. No television antenna shall be higher than 35 feet and no television antenna shall be placed in such a manner that it endangers any building located on any adjoining property. Any television antenna or other device installed to receive television signals which is erected, installed, emplaced or attached on or to any building shall be so erected, installed, emplaced or attached in such a manner that the maximum height, including that of the building, shall not exceed 35 feet. Any device other than a television antenna used to receive a television signal shall not exceed a maximum size of four feet in diameter when located on a building or 10 feet in diameter when installed, emplaced or erected as an accessory building to the rear of the principal building.

All charitable or nonprofit sponsored fund-raising events of a temporary nature, including but not limited to circuses, carnivals, fairs, flea markets, public celebrations or observances, shall be permitted in all districts pursuant to any or all Town ordinances regulating such activities.

The storage of employment, construction or business oriented materials or equipment for use off site outside of an enclosed building shall be prohibited in the UR1 Urban Residential District, UR2 Medium Residential District, UR3 Neighborhood Residential District, UB2 Neighborhood Business District, UB3 Professional Business District and HD Historic District and shall be properly stored in an orderly manner in all other districts.

When commercial, business or industrial development is proposed near a residential district or any lot upon which there is a dwelling as a permitted use, the Planning Commission may require the installation of a continuous visual screen consisting of a compact evergreen hedge, trees, foliage screening, landscaping, a louvered wall and/or fence of a size and design approved by the Planning Commission.

When public safety, traffic patterns or the character of a neighborhood can be improved or enhanced, the Planning Commission may require the installation of storm drainage, curbing and/or sidewalks along any or all proposed or adjacent state, Town or privately maintained roadways as approved by the Planning Commission, landscaping, parks or playgrounds, or the widening or resurfacing of any street for existing or proposed projects or developments located within any district.

In any major or minor subdivision in a UR1 Urban Residential District, the minimum lot depth may be decreased to 100 feet on those lots whose minimum lot area is 10,000 square feet.