How old do you have to be to rent a sublet, and if you're underage does it only require parent consent?

I'm thinking of studying in another city this summer, and there are lots of cheap sublet housing available for students. I'm currently 17 years old. Is there a minimum age to rent sublets? And if so, if you're under that age, can you still rent the sublet if you have parental signature?How old do you have to be to rent a sublet, and if you're underage does it only require parent consent?
if your talking lease.18......................