QuickLinks -- Click here to rapidly navigate through this document

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-173599) of STAG Industrial, Inc. of our reports dated March 9, 2012 relating to the financial statements and financial statement schedules, which appear in this Form 10-K.

/s/ PricewaterhouseCoopers LLP
Boston, Massachusetts

March 9, 2012

QuickLinks

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM