Did you change the service you use to convert lat/long into street addresses? My home address is now incorrect as are others. They were correct 2 weeks ago. The position on the map is correct, but the addresses are wrong.
I've been having the same issue for a while now. If I look at the maps the pins are correct but the addresses are off. For my home address it has the street number right but the house number is wrong. It's not even a neighbor's address.
When we moved away from Google Maps to a different map provider it caused some addresses to be not as accurate as before. We are looking into resolving this issue, but I don't have an ETA, unfortunately.