Incline Village on the Nevada side of Lake Tahoe has seen an influx of ultra wealthy Californians fleeing the state ’s proposed billionaires tax. Silicon Valley billionaires like Google co-founder Sergey Brin , SpaceX investor Steve Jurvetson, and Naveen Rao, with Unconventional AI, have recently moved to the Nevada bordertown on the north shore of Lake Tahoe ahead of a proposed “billionaire tax” in the state. “Our primary market is Californians seeking tax refuge in Nevada and people buying second homes,” Cole Mizak, a top luxury real estate broker in the area told The Post. Aerial view of the home linked to Google co-founder Sergey Brin. Jeff Dow Photography SpaceX investor Steve Jurvetson is among the several California billionaires to leave the state. FilmMagic Google co-founder Sergey Brin is linked to the purchase of Lake Tahoe’s most expensive home.…