Ok...sorry for the delay everyone; Had an early Thanksgiving.
So to answer questions: Not rooted. Hitting explore showed everything correctly accounting for space. Even Solid Explorer showed I only had 10 GB left.
So, in preparation to reflash all the files, and going as far as fastboot erase <partition> and reflashing everything...I figured i would at least try a reset. And for whatever reason, it worked.
Edit: I did do the reset before reading the replies in this thread. Zendroid: the fastboot format commands are probably what a factory reset is (taking a guess here). Correct answer would go to you.
Thanks for the replies everyone.