Expanding American Homeownership Act of 2007

[AI summary unavailable — showing source text] Expanding American Homeownership Act of 2007 - Amends the National Housing Act to: (1) modify guidelines governing the maximum principal loan obligation; (2) extend the mortgage term; and (3) revise requirements for cash payment by the mortgagor in the eligibility criteria for mortgage insurance. Directs the Secretary of Housing and Urban Development (HUD) to reinstate the current downpayment requirement in the event of increased defaults. Authorizes the Secretary to establish a mortgage insurance premium structure involving a single premium payment collected prior to the insurance of the mortgage that may vary during the mortgage term as long as the basis for determining the variable rate is established before the execution of the mortgage. Sets forth maximum upfront premium amounts. Permits the Secretary to insure any mortgage covering a one-family unit in a condominium project if the project has a certain HUD-insured blanket mortgage. Revises requirements for the Mutual Mortgage Insurance (MMI) Fund. Limits the authority of the Secretary to enter into commitments for loan guarantees. Makes insurance of a Native Hawaiian or Indian reservation mortgage the obligation of the MMI Fu…