When calculating for "sale price per square foot". for the square foot of a cando in NYC the "paint-When calculating for "sale price per square foot". for the square foot of a cando in NYC, which method of measurements is used? Is it "paint-to-paint" net area, or "mid-wall to mid-wall" with exterior walls included?September 15 2013 - Queens00YesReport 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.