Inclusive Home Design Act of 2012 - Requires, with exceptions, newly constructed, federally assisted single family houses and town houses to include at least one level that complies with the following accessibility features for persons with disabilities: (1) accessible entrance, (2) accessible interior doors, (3) accessible environmental controls, and (4) accessible habitable space and an accessible bathroom.
Requires: (1) each applicant for federal financial assistance to submit compliance assurances to the relevant federal agency, and (2) each person who arranges for design or construction of a covered dwelling to submit architectural and construction plans for state or local approval. Prohibits federal financial assistance to a state or local government unit unless the recipient is taking certain enforcement actions with regard to covered dwellings.
Permits: (1) private civil actions in a U.S. district court or state court for violations of this Act, and (2) the Attorney General to commence civil actions or intervene in civil actions under this Act.