WHY are Zillow's RE Tax & Insurance Estimates SO WRONG -- in SF, CA???RE Taxes are governed by *constant* CA State Law! But Zillow's RE Tax estimates fluxuate wildly! Why?-----------"Homeowners' Insurance??????" HUH?????We have THREE Insurance policies covering our Bldg/Home: FIRE/CATASTROPHE (most expensive), HOMEOWNERS (protects PERSONAL PROPERTY + some liability), EXTRA LIABILITY. IOW, Zillow UNDERESTIMATES MONTHLY "Insurance Costs" by ~70%! AND Zillow's MONTHLY RE Tax estimates are WAY OFF and fluctuate!WHY??? Why are you so bad? Fluctuating? May 09 2013 - San Francisco00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.