Post your guesses in the comments section below.
Guess correctly and be crowned "San Lorenzo know-it-all" for the week.
Congratulations to Richard Orput for correctly guessing The toothbrush could be found in the window of at 17735 Hesperian blvd.
Have your own photos around town that you'd like featured in Castro Valley Patch's photo challenge? Send them to firstname.lastname@example.org and see if you can stump our readers!