The lawful use of a building existing at the time of adoption of this Chapter may be continued, although such use does not conform with the provisions hereof. At no time will trailers be brought into the City of Clarence with the purpose being used as storage units. If no structural alterations are made, a non-conforming use of a building may be changed to another non-conforming use of the same or more restricted classification. The foregoing provisions shall also apply to non-conforming uses in districts hereafter changed. Wherever a non-conforming use of a building has been changed to a more restricted use or to a conforming use, such use shall not thereafter be changed to a less restricted one.

Non-conforming use of a structure may not be expanded or accessory buildings added without approval of the Board of Adjustment and approved variance.

No building which has been damaged by fire, explosion, act of God or public enemy, to the extent of more than fifty percent (50%) of its prevailing market value shall be restored except in conformity with the regulations of this Chapter.

In the event that a non-conforming use of any building or premises is discontinued or its normal operation stopped for a period of six (6) months, the use of the same shall thereafter conform to the regulations of the district in which it is located.

Non-conforming uses include discarded goods and materials placed upon property not officially approved for such use and shall be removed within six (6) months from the effective date of this Chapter.

The owner of a mobile home or trailer may replace the original mobile home or trailer with a newer or better mobile home or trailer.