When is an NAU-area property treated as a principal residence versus an investment property under Fannie Mae guidance?
DIRECT ANSWER
Original source observation: October 16, 2026. Primary-source review: October 17, 2026. Confirm current dates, costs, eligibility and availability with the linked publisher. Campus facts and general planning guidance do not determine an individual property's lawful use, employment benefits or mortgage eligibility. Fannie Mae guidance applies within its own program scope; other programs and actual loan documents require lender review.
Fannie Mae defines a principal residence as a property the borrower occupies as their primary residence; it separately identifies second-home and investment-property occupancy categories. Before applying, tell the lender honestly whether you will occupy the home and how any rooms, unit, or ADU will be used, because the lender must determine the eligible occupancy and underwriting treatment for the actual transaction.
Sources & verification
- selling-guide.fanniemae.com Independently reviewed primary source
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