(A) Except as specifically provided in this section, the extent of the nonconformity of a nonconforming situation shall not be increased. In particular, the following activities shall be prohibited:
(1) Nonconforming uses. An increase in the total amount of space devoted to a nonconforming use; extensions throughout any portion of a building by a nonconforming use; and an increase in volume, intensity or frequency by a nonconforming use.
(2) Other nonconforming situations. Greater nonconformity with respect to dimensional restrictions, density requirements or other regulations such as parking requirements; and enclosing a previously unenclosed area that does not meet all applicable development standards.
(B) Subject to section
9-4-34, a nonconforming use of undeveloped land may not be extended to cover more land than was occupied by that use when it became nonconforming, except that a use that involves the removal of natural materials from the lot (e.g., a sand mining operation) may be expanded to the boundaries of the lot where the use was established at the time it became nonconforming if 10% or more of the earth products had already been removed on the effective date of these regulations.
(C) Within any zoning district, any mobile home used for single-family residential purposes and maintained as a nonconforming use may be enlarged or replaced with a mobile home of the same or larger size, provided that:
(1) The total number of dwelling units is not increased;
(2) The enlargement or replacement does not create additional nonconformities or increase the extent of existing nonconformities with respect to dimensional standards and/or parking requirements;
(3) Subject to subsection (C)(2) above, when a single mobile home on an individual lot of record is located in a residential district, single-family requirements for the controlling district shall apply;
(4) Subject to subsection (C)(2) above, when a single mobile home on an individual lot of record is located in a nonresidential district, R-6MH District requirements shall apply;
(5) Subject to subsection (C)(2) above, when two or more mobile homes are located on a parcel of land in any zoning district, the provisions of Article H of this chapter shall apply;
(6) Accessory buildings and structures shall be subject to the requirements of the applicable district or article in accordance with this section;
(7) Parking requirements shall apply in accordance with Article O of this chapter; and/or
(8) This section shall be subject to the limitations stated in section
9-4-32.
(Ord. No. 2337, § 1, passed 6-13-1991; Ord. No. 98-155, § 1, passed 12-10-1998)
(D) Within any residential zoning district, any dwelling structure used for residential purposes and maintained as a nonconforming use, and any accessory building or structure to the dwelling, shall be exempt from the provisions of subsection (A)(1) above, provided that:
(1) The total number of dwelling units is not increased;
(2) The enlargement or addition does not create additional nonconformities or increase the extent of existing nonconformities with respect to dimensional standards and/or parking requirements;
(3) Subject to subsection (D)(2) above, when located within a single-family district, multi-family dwelling structure(s) shall comply with Article I of this chapter or single-family requirements for the controlling district, whichever is greater; and/or
(4) Subject to subsection (D)(2) above, when located within a single-family district, two-family attached (duplex) dwelling structures shall comply with R-6A District standards or single-family requirements for the controlling district, whichever is greater.
(E) Within the CD downtown commercial zoning district, a nonconforming use that may be continued in accordance with the provisions of section
9-4-28 will be allowed to expand directly above the roof of existing areas devoted to the same type of nonconforming use and shall not be subject to the provisions of subsection (A)(1) above relating to said expansion, provided that:
(1) The open air deck is directly above the nonconforming use and does not have an intervening story between the existing nonconforming use and the open air deck;
(2) The addition does not create additional nonconformities or increase the extent of existing nonconformities with respect to dimensional standards, setback requirements, height limits, and/or parking requirements;
(3) Improvements to the existing building are made so that it is in full compliance with all current North Carolina Building Code requirements as a result of the additional functional square footage and, as such, building permit applicants may be required, as determined necessary by the building inspector, to provide construction drawings that demonstrate compliance with increased structural loads through a structural analysis prepared and sealed by a professional engineer, occupant loads, egress loads including exterior stairs and/or ramps used as a means of egress, plumbing facility loads, interior and roof deck finish material information, sprinkler loads, fire alarm system and additional specific requirements pertinent to the building as a result of the addition;
(4) New and reconfigured stairways and landings constructed to serve new open air decks upon a roof shall be allowed to be constructed within the property lines of the nonconforming use, regardless whether they are within or outside of a building’s exterior walls;
(5) It is permissible to reconstruct existing roofs to support open air decks, regardless whether existing roofs enclose conditioned buildings or are located above nonconditioned areas that are open on the side(s);
(6) Enclosed areas on open air roof decks shall be limited to mechanical rooms, HVAC equipment, bathrooms and janitor closets;
(7) A special use permit is approved by the Board of Adjustment for the addition; and
(8) Notwithstanding the foregoing, the nonconforming use, including the addition, remains as a nonconforming use in accordance with the provisions of this chapter.
(Ord. No. 98-155, § 2, passed 12-10-1998; Ord. 16-054, § 1, passed 9-8-2016)