Found this article from the LA Times. It talks about his house that he has listed and some homes owned in NoHo by other celebs. It's 2 pages long but Jesse's part in the first 5 or so paragraphs, for those who don't want to read the whole thing.
McCartney, 22, said he enjoys spending time with family and friends and has used the backyard of the open-plan house for entertaining. "I love to cook," he said, "and this kitchen allows me to cook and still hang out with my friends."
The second-time home buyer spent more than $200,000 on upgrades, including improvements to the grounds, sound systems and spa area. He bought the property in 2007 for $1,076,000.