Growing Near Property Lines, how to know if it's safe to eat?

Ok my front yard gets the most sun and I want to plant some berry bushes and fruit trees up there but I'm worried my neighbors will spray pesticides (or who knows what) on or near them and I don't want us to be eating that stuff. I know plenty of people have gardens in their front yard, I guess I'm wondering how you get past worrying about it or if it's not worth risking.
I know 1 neighbor for sure sprayed mosquito spray multiple times.

Well, it is still probably less chemicals than the strawberries from the supermarket.

Put some shrubs near the property line to catch the chemical drift. Compost and organic matter and mushrooms. Fungal systems devout those chemicals quickly.

Relax. The worrying about it is usually worse than it, whatever it is.

You can also put up a fence or just have a conversation with them, showing that your concerns are reasonable, and trying to find a cooperative way so both people can get what they want.

John S
PDX OR