The most expensive New York City apartment in 1907 was $6,000. A decade later, in 1917, it had quintupled to $30,000. Those were the days.

By 2017, the most expensive NYC apartment cost $100.5 million — and even that could be shattered by an estimated rumored $250 million apartment that’s currently under construction.

Cost of Home Here Has Soared in Decade: Highest Apartment Rent Ten Years Ago $6,000, Now Above $30,000 — Private Houses Are No Longer Choicest Residences

From Sunday, April 29, 1917