You do not have to enter both a Street Number and a Street Name. You may type one or the other.
Street Number:
If you enter only a Street Number of 100, all parcels that contain "100" in the Street Address will display in the Search Results List.
Street Name:
If you enter only a Street Name of Oak, all parcels that contain "Oak" in the Street Address will display in the Search Results.
If you enter both a Street Number of 1204 and a Street Name of Logan, all parcels that contain "1204" and contain "Logan" in the Street Address will display in the Search Results.