Is this the top unit or the bottom?This sounds like a great condo, on a coveted block of Twin Peaks.Henri RevelPacific UnionThe Maher-Revel TeamPresidio Office415.317.3029 direct/cell Question refers to 817 Corbett Ave, San Francisco, CA 94131July 25 200700YesReport 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.