S.H.
set your rules & have a punishment for breaking the rules. If you're the only adult present, they have to listen to you. It's that simple.
If you approach it from a "fun" standpoint, with a lot of humor & a little drama, then the boys should follow along. If you approach it militantly, then they'll refuse to cooperate.
Soooo, tomorrow, have a snack ready & tell the boys you want to have a "Mom Meeting". Tell them how you feel & what they can do to make your life easier. Tell them the rules, & be sure to have a consequence (as simple as sitting on the porch for 5 minutes). At the end of the meeting, be sure to high five/knuckle/hug them.....
By building a community with the boys, you will be able to relax. Good Luck!
Oh, Oh, Oh, one more comment: I consider any neighbors...both children & adults....to be blessings. In today's world, this is a rarity. My sis & I were blessed with a neighborhood raising us....as were my sons. :)