UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 2, 2012

D.R. Horton, Inc.

(Exact name of registrant as specified in its charter)

301 Commerce Street, Suite 500, Fort Worth, Texas 76102

(Address of principal executive offices)

Registrant’s telephone number, including area code: (817) 390-8200

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Effective March 2, 2012, DHI Mortgage Company, Ltd., a Texas limited partnership (“DHI Mortgage” or the “Seller”), and a subsidiary of D.R. Horton, Inc., and U.S. Bank National Association, a national banking association, as a Buyer, as Administrative Agent, and as Syndication Agent (“U.S. Bank” or “Buyer”) entered into an Eighth Amendment to the Master Repurchase Agreement dated March 27, 2008 (the “Master Repurchase Agreement”), as amended by, the First Amendment to the Master Repurchase Agreement, dated March 5, 2009, the Second Amendment to the Master Repurchase Agreement dated September 23, 2009, the Third Amendment to the Master Repurchase Agreement dated March 4, 2010, the Fourth Amendment to the Master Repurchase Agreement dated July 30, 2010, the Fifth Amendment to the Master Repurchase Agreement dated March 4, 2011, the Sixth Amendment to the Master Repurchase Agreement dated June 29, 2011 and the Seventh Amendment to the Master Repurchase Agreement dated November 29, 2011 (the Master Repurchase Agreement, as amended, the “Repurchase Facility”).

The primary purpose of the Repurchase Facility is to provide financing and liquidity to DHI Mortgage by facilitating purchase transactions in which DHI Mortgage transfers eligible loans to buyers against the transfer of funds by buyers (thereby becoming purchased loans). The purchase transactions are based on the terms and conditions in the Repurchase Facility and the ancillary or operative agreements attached thereto or referred to therein. Amounts outstanding under the Repurchase Facility are not guaranteed by D.R. Horton, Inc. or any of its subsidiaries that guarantee their homebuilding debt.

The Repurchase Facility provides for a capacity (“Committed Sum”) of $180 million, which may be increased by an additional $45 million (“Discretionary Facility Amount”). Advances under the amended Repurchase Facility will carry a Pricing Rate based on the Libor Rate plus the Libor Margin, which when combined, will not be less than 2.75% on the Committed Sum and 3.25% on the Discretionary Facility Amount.

A commitment fee of 0.25% per annum on the Unused Portion is charged for any fiscal quarter that is greater than sixty percent of the average daily amount of the Maximum Aggregate Commitment, provided that, there is no such fee with respect to the Discretionary Facility Amount. The Eighth Amendment also provides that the Aggregate Outstanding Purchase Price of specific types of Purchased Loans that are listed in amended Section 4.2(c) shall not exceed the applicable percentage of the Maximum Aggregate Commitment listed in that section.

The Eighth Amendment also provides that DHI Mortgage may reduce or terminate the Maximum Aggregate Commitment or the facility for Discretionary Purchases, subject to conditions outlined in the Eighth Amendment, including but not limited to, the condition that, unless terminated in full, the Maximum Aggregate Commitment shall not be reduced to less than $100 million.

The Eighth Amendment also provides that the Repurchase Facility has a term of the earlier of (i) March 3, 2013, or (ii) the date when the Buyers’ Commitments are terminated

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pursuant to the Repurchase Facility, by order of any Governmental Authority or by operation of law.

Additional administerial definitional changes and clarifications to the Repurchase Facility are set forth in the Eighth Amendment, which is filed herewith as Exhibit 10.1 and is incorporated by reference into this Item 1.01.

The information set forth above under Item 1.01. “Entry into a Material Definitive Agreement” is hereby incorporated by reference into this Item 2.03.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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EXHIBIT INDEX