For a guy worth billions upon billions, this is pretty modest. I actually thought it'd be a lot more than $8 million for a place this nice in NYC too.

...

A 23-foot balcony, 3,457 square feet of space, four bedrooms, and a limestone bath with heated floors....

 

http://valleywag.com/5050205/sergey-brin-buys-8-million-duplex-in-greenwich-village

Oh, it looks like he got cut a deal.

The $8.5 million pied-à-terre that Google cofounder Sergey Brin and 23andMe cofounder Anne Wojcicki recently purchased in Manhattan's Greenwich Village? The previous owner, Bill Brady, paid $7 million for the condo around a year ago and was trying to move the unit for as much as $12 million after buying into a different building owned by art superstar Julian Schnabel. If you think it was the negotiating mastery of Brin and Wojcicki — who are expecting their first child together — think again....

http://valleywag.com/5050411/googles-banker-knocked-35-million-off-condo-price-for-sergey-brin