Boonville Nonconforming uses are regulated ordinance (Appendix C, Section 2.91)

(a) The use of land which does not conform to the provisions of this Ordinance at the time of its effective date may be continued for a period of two years. If a nonconforming use of land is discontinued at any time, it must thereafter be used only for a use permitted in the district.

(b) The lawful use of a building existing at the time of the effective date of this Ordinance may be continued although such use does not conform to the provision hereof. If no structural alterations are made, a nonconforming use of a building may be changed to another nonconforming use of the same classification, to a more restricted classification, or to a conforming use, but such use shall not thereafter be changed to a less restricted use.

(c) In the event that a nonconforming use of any building is discontinued for a period of one year, the use of the same shall thereafter conform to the use regulations of the district.

(d) No nonconforming use, except when required to do so by law or ordinance, shall be enlarged, extended, reconstructed, or structurally altered, unless such use is changed to a use permitted in the district.

(e) If a nonconforming use is 75 per cent damaged or destroyed by a fire, explosion, act of God, or the public enemy, then any restoration must be for a permitted use.

(f) Where a premises in an R District was used only for open storage or only for signs and billboards, such uses must be discontinued and the stored material or signs removed within two years after the effective date of this ordinance. All junk and salvage yards shall conform with the requirements of Section 2.7 within two years after the effective date of this ordinance.

(g) Passage of this ordinance in no way legalizes any illegal uses existing at the time of its adoption.

(h) Existing uses of types eligible for special permits in Section 2.7, shall not be nonconforming uses and shall receive a special permit for the existing use from the Building Inspector upon request; but shall require a special permit for any enlargement or addition.