Help identifying

I have this tree that grows in the easement between me and the house behind me.
I cleaned out some vines and brush but I left this tree.

Looking at the bark it looked like a plum tree.
I'm by no means a tree expert, but I figured I might find one here!

Thanks in advance.

 

Pear (Pyrus). Callery pear has gone wild in some states, causing it to be considered a weed.