Town of Portsmouth
Town of Portsmouth Zoning Ordinance
§ IV-C

Special yard and coverage requirements

  • 1. Not less than the frontage requirements shall be maintained throughout the front yard depth, except as provided for in Section D.5 of this Article or by dimensional variance, and for Planned Unit Developments per the provisions of Article VIII.

    [Amended 10-27-2004]

    Note: "and for Planned Unit Developments per the provisions of Article VIII" adopted 10-27-2004.

  • 2. The required front, side and rear yards shall be unoccupied and unobstructed by buildings or structures, except as provided as follows:
    • a) Ordinary projections of window sills, cornices, eaves and other structural features may extend not more than eighteen inches (18") into the space above required yards:
    • b) Signs as permitted herein;
    • c) Driveways and walkways;
    • d) Fences as permitted herein;
    • e) Accessory uses and structures as permitted herein.
  • 3. On lots abutting streets on more than one (1) side, the front yard requirements shall apply to each of the abutting streets.
  • 4. A dwelling need not be set back more than the average of the setbacks of dwellings on the lots adjacent to either side. If a vacant lot exists on one (1) side, it shall be considered as a dwelling setback at the depth of the required front yard.
  • 5. Storage sheds up to one hundred twenty square feet (120 ft.2) in area must be located in the rear yard and are permitted no closer than three feet (3') to rear and side lot lines. Storage sheds over one hundred twenty square feet (120 ft.2) in area must be located in the rear yard and meet all dimensional requirements of the district in which they are located.
  • 6. On any lot which contains a development of a commercial nature there shall be a compact evergreen screen along any side or rear lot line which abuts a residential zone. The screening area shall be five feet (5') deep and the evergreen plants shall be at least six feet (6') in mature height. In place of said screening area, an opaque fence may be allowed as a special condition.
  • 7. If more than one (1) building (other than a one (1), two (2), or three (3) car garage, a tool shed, a greenhouse or a cabana) is lawfully placed on any lot in single or common ownership, the distance between the nearest parts of such buildings shall be not less than twenty feet (20').
  • 8. Open storage must provide front, side and rear yards as indicated by district.
  • 9. Maximum Lot Coverage may be increased in the TC Zone and in Planned Unit Developments if off-site parking is provided per the provisions of Article IX. Section A.6. or 7. herein.

    [Added 10-27-2004]

  • 10. In all districts, off-street parking provided and maintained as paved/impervious surface shall be counted as part of the allowable lot coverage as defined and specified herein and in Articles VII, VIII and IX of these regulations. However, driveways to and parking areas for single and two-family residential uses, other than those listed in Article VII and VIII, shall not be counted toward lot coverage.

    [Added 2-4-2008; amended 2-13-2012]

  • 11. Parking areas composed of pervious surfaces are encouraged for all land uses and lots, unless there are overriding environmental limitations, and may be provided to meet part of any required parking spaces on a lot. Except for single and two-family residential uses, as above, twenty percent (20%) of such pervious surfaces which provide for grass surface shall be counted as part of the overall allowable lot coverage; otherwise sixty percent (60%) of such pervious surfaces shall be counted.

    [Added 2-4-2008; amended 2-13-2012]