Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements:

(1) Registration Statement (Form S-3 No. 333-188872) of Nationstar Mortgage Holdings Inc., and

(2) Registration Statement (Form S-8 No. 333-183332) pertaining to the 2012 Incentive Compensation Plan of Nationstar Mortgage Holdings Inc.;

of our reports dated February 27, 2015, with respect to the consolidated financial statements of Nationstar Mortgage Holdings Inc., and the effectiveness of internal control over financial reporting of Nationstar Mortgage Holdings Inc., included in this Annual Report (Form 10-K) for the year ended December 31, 2014.

/s/ Ernst & Young LLP

Dallas, Texas

February 27, 2015