Ask HN: How does Google maintain/update the information for the GeoCoding API?
Or more specifically, If someone wanted to recreate this for NYC, how would they go about it?
https://www.nettoolkit.com/geo/the-basics-of-geocoding https://www.nettoolkit.com/geo/adventures-in-address-parsing
It turns out that geocoding has been a much bigger project than we anticipated, but we offer the service very inexpensively. Let me know if you have any questions.