It’s pretty typical that after a 1-year contract, your lease goes month-to-month. Your landlord is allowed to raise the rent yearly a certain percentage, with proper notification. I’d check the specifics though.. probably written somewhere in here:
Even if the house is in need of updating, rent is determined by whoever’s willing to pay for it. There are some dank basements in some popular parts of town that go for 2k!
Depending on how many people you live with $150 bucks split among your roommates doesn’t sound like that much.