- A real property use that doesn't comply with the zoning rules in its area, but was established before the current zoning law was implemented. This exception allows the owner to continue the property's original use
- The old factory became a non-conforming use when the city rezoned the area for residential purposes.
- After the county introduced new zoning laws, Susan's flower shop became a non-conforming use.
- If the non-conforming use gas station is demolished, Its replacement must comply with the current residential zoning rules.