I recently bought my first duplex (3/2.5 per side) and am househacking it with my family in one side, and an inherited tenant plus roommate on the other side. So far, my tenant has been a delight, always paying rent on time and keeping his place clean. Last month, his daughter, son-in-law, and their five kids aged approx. 12-1 yr old moved in from out of state temporarily while they look for a more permanent place.

The lease prohibits guests for more than 30 days without my permission. He has kept me updated on their house hunt and I haven't objected to them continuing to stay there as they have been respectful guests, the kids seem well-behaved, and they have been actively looking for another place. But we're approaching 30 days and they're still there.

Because it is a 3/2.5, it's definitely crowded in there. My tenant has the master to himself, his roommate has his own room, which leaves one bedroom for all 5 kids, and the parents to sleep on the couches in the living room. I want to be flexible and understanding, but still protect my investment and enforce the lease.

My question is whether I would be legally allowed to raise the rent at least for as long as the guests are there, or if my not expressly objecting equates to granting permission. Anyone who knows or has been through something like this, I would love your input!