Town of Johnston
Town of Johnston Zoning Ordinance
§ 340-147

Permitted residential uses

  • A. Permitted residential uses in a conservation development are as follows:
    • (1) Single-family dwelling;
    • (2) Two-family duplex dwelling in R-15 Zoning Districts only;
    • (3) Accessory family dwelling units are permitted in a conservation development by special use permit only. These units do not count toward the maximum number of dwellings allowed in a conservation development; and
    • (4) Community residences.
  • B. Open space uses. The open space in a conservation development shall be devoted only to conservation purposes, for park and recreation uses, or for the preservation and management of agricultural, habitat or forestry resources. The following provisions shall apply:
    • (1) Any use listed in the Table of Use Regulations in Subsection 1, Agricultural uses. Uses marked with a "P" are permitted by right; uses marked with an "S" are permitted by special use permit; uses marked with an "N" are prohibited in a conservation development.

      Editor's Note: Said table is included at the end of this chapter.

    • (2) In all conservation developments, the uses listed below shall be permitted by right within the open space areas:
      • (a) Reservations for the production or protection of wildlife (hunting prohibited), including conservation lands, wildlife preserves, forest management activities, and woodlots; and
      • (b) Passive recreation, hiking trails and walking trails.
    • (3) In all zoning districts where conservation developments are permitted, stormwater drainage areas may also be allowed in open space areas subject to the approval of the Planning Board in accordance with the applicable provisions of the Subdivision Regulations and the Rhode Island Stormwater Design and Installation Manual.
    • (4) Buildings, structures, parking areas, or other impervious improvements which are accessory to and subordinate to a permitted open space use may be located on any open space lot, provided that, in all cases, they occupy no more than 2,000 square feet or 2% of the total open space area of the conservation development, according to whichever is less.
    • (5) The required amount of open space in a conservation development shall be as provided in § 340-151B herein.