Scope and Contents From the Series: If your building dates from the period ca. 1907-1960, this series of records could provide you with a very close approximation of the date of construction since the original water and sewer connections would have been made while the structure was going up. Buildings built earlier would have initial connections as well, so you must be careful not to depend on these documents unless you are certain from other sources that your property dates from 1907-1960.Use the Street Index to...