If another family on your street has kids that attend the same school as yours, set up a carpool routine that will help you and your neighbor out.
This gesture will go a long way. Then give them your insider knowledge on the cheapest day to go grocery shopping to earn even more brownie points.
Bring the whole neighborhood together and throw a block party to celebrate an upcoming holiday, a month of birthdays, or simply use it as an excuse get to know one another.
Your entire neighborhood will notice the difference, and they might even chip in. Make sure to bring more than one bag, so you can recycle too.
Round up a few of the adults for an evening of fun — and bonding! Have everyone BYOB and bring their own game. You might learn a few new games as a result.
Gather everyone together to plant a mix of trees, vegetables, and herbs. Then have everyone pitch in to maintain and nurture your shared garden throughout the year.
Actually hanging them. Help your neighbor out by handing them lights while they're on their roof or lend a hand to keep their ladder steady.
If your next-door neighbors are going out of town, offer to watch over their house by watering their plants, feeding their pets, and keeping an eye on things while they're away.