If my 3BR, 3BA home includes a 1BR-1BA rental inlaw unit, how do I factor that into the estimate?If my 3BR, 3BA Fairfax home includes a 1BR-1BA rental inlaw unit, such that the main house is 2BR-2BA, + the inlaw unit, how do I factor that into the estimate? Would it add or subtract value?March 28 2013 - Fairfax00YesReport 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.