Whether local inclusionary zoning (IZ) ordinances can make significant contributions towards meeting affordable housing needs depends in large part on its legality. Courts have not developed a consistent jurisprudence regarding IZ ordinances. The legality of IZ ordinances depends upon how they are framed by the governments who enact them, the opponents who challenge them, and the courts that decide the cases. After a brief introduction, this article explores why framing is possible and likely in judicial review of IZ as well as why it matters. Next, the article analyzes the case law to demonstrate how framing has operated to affect the legal vitality of IZ. Then the article identifies issues local governments contemplating adopting IZ should consider in light of the framing effects.