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 (Amendment No. 2 to Form S-3 No. 333-205492)

(2) Registration Statement (Form S-8 No. 333-192460) pertaining to the LGI Homes, Inc. 2013 Equity Incentive Plan, and

(3) Registration Statement (Form S-8 No. 333-211843) pertaining to the LGI Homes, Inc. 2016 Employee Stock Purchase Plan;

of our report dated March 7, 2017, with respect to the consolidated financial statements of LGI Homes, Inc., incorporated by reference in this Annual Report (Form 10-K) for the year ended December 31, 2016.

/s/Ernst & Young LLP

Houston, Texas

March 7, 2017