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How to Enter a Manufactured Home for AUS

This guide explains how to enter manufactured home details in a loan file so Automated Underwriting Systems (AUS) correctly recognize the property, including support for Fannie Mae MH Advantage and Freddie Mac CHOICEHome.


Step 1 : Set the Property Type

You can set the property type from either of these locations:

Option A: Overview Tab

  • Go to Overview.

  • Click the Edit pencil next to Subject Property.

  • Use the Property Type dropdown to select one of the following:

    • Manufactured Home

    • Manufactured Double Wide

    • Manufactured Single Wide

    • Manufactured Multi Wide

    • Manufactured Home – Condo/PUD/Co-Op

  • Click Save.

Option B: Loan and Property Tab

  • Go to Loan and Property  > Property Information.

  • Use the Property Type dropdown to select the appropriate type.

  • Click Save.


Step 2: Set the Construction Method Type

  • Navigate to Loan Additional > Appraisal Information and Project Detail.

  • Click the Edit pencil.

  • Use the Construction Method Type dropdown and select one of the following:

    • Manufactured

    • Mobile Home

    • Modular

    • On-Frame Modular

    • Site Built

    • Other

  • For agency specific products:

    • Select Other.

    • In the Construction Method Type – Other Description field, enter:

      • MH Advantage (Fannie Mae)

      • CHOICEHome (Freddie Mac)

  • Click Save.


Step 3: Complete Manufactured Home Tab (If Applicable)

If you have additional manufactured home details to enter:

  • Go to Loan Additional → Manufactured Home.

  • Fill in the fields, such as:

    • Certificate of Title Type

    • Serial Number Identifier

    • HUD Certification Label Identifier

    • Lot Ownership Type, etc.

  • Click Save when finished.


✅ Quick Summary

  • Set the Property Type in either Overview or Loan and Property.
  • Set the Construction Method Type in Loan Additional > Appraisal Information and Project Detail — this is what AUS uses.

For MHAdvantage (Fannie Mae) or CHOICEHome (Freddie Mac), choose Other as Construction Method Type and enter the product name in Construction Method Type – Other Description field

  • Complete the Manufactured Home Tab in Loan Additional when details are available.

Questions? Contact us at support@spherelos.com — we’re here to help.