Main Street Stabilization Act of 2012 - Directs the Small Business Administration (SBA) to establish a grant program for small business development centers.
Requires program funding to be used for: (1) the development of business advisory capacity, (2) the development of online tools and resources for struggling small businesses, (3) the deployment of additional resources to help industry sectors with a high presence of small businesses, and (4) the development of a listing of financing options for small business capital access.
Prohibits the SBA from awarding an entity under this Act more than $250,000 in grant funds.