Retail Opportunity Investments (ROIC) 8-K/A Completion of Acquisition or Disposition of Assets

Exhibit 23.1

CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statement (No. 333-163866) on Form S-3, the Registration Statement (No. 333-170692) on Form S-8, and the Registration Statement (No. 333-146777) on Post-Effective Amendment No. 1 on Form S-3 to Form S-1/MEF of Retail Opportunity Investments Corp. of our report dated February 21, 2013, relating to our audit of the Combined Statement of Revenues and Certain Expenses of The Barros Properties, for the year ended December 31, 2011, included in this Current Report on Form 8-K/A.

/s/ PKF O'Connor Davies

A Division of O'Connor Davies, LLP

New York, New York

February 21, 2013