Single-Family vs. Multifamily — Two Distinct Businesses Under One Roof

Fannie Mae operates two structurally different businesses: a $3.6 trillion single-family book that buys conforming home mortgages, and a $534 billion multifamily book that finances apartment buildings, senior housing, and student housing through the unique Delegated Underwriting and Servicing (DUS) program. The roles, partners, and culture differ meaningfully between the two. This module helps candidates speak credibly to whichever side they're interviewing for — and understand what differentiates them.