I'll throw my two cents in and say I wouldn't necessarily recommend International House, having lived there this past semester. I didn't find it noisy, but the rooms are pretty small, you're forced to buy a meal plan, and it's a VERY expensive per month (~$1500+) because of the meal plan. The social scene is also very "I'm studying abroad, let's go out 5 nights a week!" which doesn't fit too well to law/grad school demands... That said, the location couldn't be closer to the law school, and you definitely have the opportunity to have a social life outside of law school if you want it, which is a nice plus.
On the plus side, the Berkeley rental market is very fluid and things open up all the time. And the real good news? When it's sunny 9 days out of 10, walking to class ain't bad at all.
I also live in ihouse and I LOVE it. The rooms are a standard dorm room size. If you don't have tons of stuff, it's fine. If you did the dorms in undergrad, you know what to expect. It is fairly expensive, but considering it covers all your food and you don't have to cook or clean, it's not terribly bad. I would probably spend the same if I lived on my own.
The law students who live here are all really close. It's like a mini family away from the law school. We go on trips together and usually have dinner every night. There are also a lot of other really cool grad students from other programs. It's nice to meet people outside the law school. A lot of people keep living here just for the social scene and the friendships they make.
My floor is very quiet. There are two larger floors that have almost all the Europeans here on study abroad for a semester that get pretty loud. Mine is full of nerdy grad students and it's very quiet.
I think the food is pretty good. It's definitely better than I had in undergrad in the dorms. I like about 9/10 meals they serve. Some people hate it and think it's terrible. If you're a picky eater it might not be for you. I also wouldn't recommend it for vegans, but for vegetarians it's fine.