Elevation data will be identified within REsearch by using the Contour Lines map layer.

Ex:

Search for your parcel
On the search results page, click Show Map

Located in the upper right of the map, find the Layers and Legends tool. Click on it.
Select the Contour Lines layer

The elevation data will display over the map.
You may need to zoom in or out to get a better view.

Contour lines are spaced in 100 FT intervals.

This example parcel is located between 1000 FT and 1100 Ft