Capital Access for Main Street Act of 2011 - Authorizes an insured depository institution with assets of less than $10 billion, for purposes of capital calculation under the Financial Institutions Examination Council's Consolidated Reports of Condition and Income, to choose to amortize any loss or write-down, on a quarterly straight-line basis over a seven-year period, which it has incurred with respect to: (1) a loan secured by commercial real estate, or (2) other real estate owned.