They vary based on the type and size of the property and location. The city basicaly calculates an estimate of the per square foot value of properties by the zip code (based on recent property sales, etc.) and then applies it to the property. I have a two family home for sale right now on 17th Street off 8th Avenue, the lot size is 17' by120' and the building size is17' by 35' . It is a legal two family house, 2 stories and the real estate taxes are only $600.00 anually which is cheap. If you need more information than this you can go to http://www.NYC.gov
to do more research.
If you need more information, please contact me, I would love the opportunity to help you!
Madison Estates & Properties, Inc.
Office: (718) 645-1665 Cell: (917) 805-0783