Supplemental Indenture, among the Borrower, the subsidiary guarantors party thereto, the guaranteeing subsidiaries party thereto and Wilmington Trust, National Association, dated as of October 2, 2018

Exhibit 4.2

EXECUTION VERSION

SECOND SUPPLEMENTAL INDENTURE

Second Supplemental Indenture (this “Supplemental Indenture”), dated as of October 2, 2018, among Taylor Morrison Communities, Inc., a Delaware corporation (the “Qualified Successor”), certain subsidiaries listed on Schedule 1 hereto, each a subsidiary of the Qualified Successor (each, a “Guaranteeing Subsidiary”), AV Homes, Inc., a Delaware corporation (the “Company” or “AV Homes”), certain subsidiaries of the Company listed on Schedule 2 hereto (the “Existing Subsidiary Guarantors”) and Wilmington Trust, National Association, as trustee (the “Trustee”).

W I T N E S S E T H

WHEREAS, each of the Company and the Subsidiary Guarantors (as defined in the Indenture referred to below) has heretofore executed and delivered to the Trustee an indenture (as supplemented by the First Supplemental Indenture, dated as of January 11, 2018, between AVH DFW, LLC, an Arizona Limited Liability Company and the Trustee, the “Indenture”), dated as of May 18, 2017, providing for the issuance of an unlimited aggregate principal amount of 6.625% Senior Notes due 2022 (the “Notes”);

WHEREAS, pursuant to the terms of the Indenture, as a condition to the occurrence of a Covenant Replacement Event, the Qualified Successor shall execute and deliver to the Trustee a supplemental indenture pursuant to which the Qualified Successor shall assume all of the obligations of the Company under the Notes and the Indenture on the terms and conditions set forth herein and under the Indenture;

WHEREAS, the Indenture provides that under certain circumstances each Guaranteeing Subsidiary shall execute and deliver to the Trustee a supplemental indenture pursuant to which such Guaranteeing Subsidiary shall unconditionally guarantee all of the Company’s Obligations under the Notes and the Indenture on the terms and conditions set forth herein and under the Indenture; and

WHEREAS, pursuant to Section 9.01(a) of the Indenture, the Trustee is authorized and hereby directed to execute and deliver this Supplemental Indenture.

NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the parties mutually covenant and agree for the equal and ratable benefit of the Holders as follows:

1. Capitalized Terms. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

2. Agreement to be Bound. The Qualified Successor hereby expressly assumes the Company’s Obligations for the due and punctual payment of principal, premium, if any, and interest (including Additional Interest, if any) on the Notes issued pursuant to the Indenture and all other Obligations under the Indenture, the Notes and the Registration Rights Agreement. The Qualified Successor hereby becomes a party to the Indenture and the Registration Rights Agreement as the Company and as such shall have all of the rights and be subject to all of the obligations and agreements of

the Company under the Indenture and the Registration Rights Agreement. The Qualified Successor agrees to be bound by all of the provisions of the Indenture, the Notes and the Registration Rights Agreement applicable to the Company and to perform all of the obligations and agreements of the Company under the Indenture, the Notes and the Registration Rights Agreement.

3. Release. AV Homes hereby is released from all of the obligations of the Company, and relinquishes all of the rights of the Company, that are assumed or acquired by the Qualified Successor pursuant to this Supplemental Indenture.

4. Guarantors. Each Guaranteeing Subsidiary hereby agrees to be a Subsidiary Guarantor under the Indenture and to be bound by the terms of the Indenture applicable to Subsidiary Guarantors, including Article 10 thereof. Each Existing Subsidiary Guarantor hereby confirms that its obligations under the Registration Rights Agreement continue to be in effect.

5. Merger. Each Subsidiary Guarantor hereby confirms that its Subsidiary Guarantee shall apply to the Qualified Successor’s Obligations under the Indenture and the Notes.

6. Governing Law. THIS SUPPLEMENTAL INDENTURE WILL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

7. Waiver of Jury Trial. EACH OF THE QUALIFIED SUCCESSOR, THE GUARANTEEING SUBSIDIARIES, THE EXISTING SUBSIDIARY GUARANTORS AND THE TRUSTEE HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS SUPPLEMENTAL INDENTURE, THE INDENTURE, THE NOTES, THE GUARANTEES OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY.

8. Counterparts. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an original, but all of them together represent the same agreement.

9. Headings. The headings of the Sections of this Supplemental Indenture have been inserted for convenience of reference only, are not to be considered a part of this Supplemental Indenture and shall in no way modify or restrict any of the terms or provisions hereof.

10. Trustee Not Responsible for Recitals. The recitals contained herein shall be taken as statements of the Company, and the Trustee assumes no responsibility for their correctness. The Trustee makes no representations as to and shall not be responsible for the validity or sufficiency of this Supplemental Indenture.

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IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed, all as of the date first above written.

Signature Page to Supplemental Indenture – Qualified Successor

Signature Page to Supplemental Indenture – Qualified Successor

Signature Page to Supplemental Indenture – Qualified Successor

Signature Page to Supplemental Indenture – Qualified Successor

Schedule 1

Guaranteeing Subsidiaries

Schedule 2

Existing Subsidiary Guarantors