Zuckerberg bought the four properties in 2013 after a real estate developer threatened to build a house with views of his master bedroom. Above, Zuckerberg's Palo Alto home
Zuckerberg plans to demolish the four homes surrounding and rebuild them as smaller single-family properties
A blueprint for one of the new homes proposed is shown above. Plans show the homes will take up 20 per cent of the current footprint
Pictured is an artist's impression of what one of the four houses will look like from outside
Picture, an artist's rendering of what another one of the houses will look like. The two single-story and two two-story homes would be replaced by three single-story houses and one two-story house
Another drawing of what one of the homes will look like when construction is done
Zuckerberg's plans to keep the four homes as part of a larger compound where family and friends could stay is what the board took issue with. Pictured, an artist's rendering of the fourth property
Board members say the four homes are not separate residences or 'credible' single-family homes, and instead operate as part of a larger compound. Above, Zuckerberg's home
Zuckerberg's wife Priscilla walks their daughter in a photo the Facebook founder posted to Instagram in honor of Mother's Day