This article seems to imply it was assessed at $355 mil <a href="http:&#x2F;&#x2F;www.mercurynews.com&#x2F;peninsula&#x2F;ci_16037583" rel="nofollow">http:&#x2F;&#x2F;www.mercurynews.com&#x2F;peninsula&#x2F;ci_16037583</a> With new building Facebook erected it will likely get re-assessed at higher value, but still, there are probably residential blocks in Menlo Park valued higher.