It all depends on how much you value him being your neighbor. Good neighbors are hard to find a fantastic ones are impossible.
It's the thought and repect you are showing. I am not familiar with your area nor how big his family is, but I would say a $150 gift certificate at a local steak house. If that isn't possible, then a card from a box store, such as Home Depot.
Next time your in a jam, he will be there, and probably wont take any compensation because he will know you appreciate him.