Applications & Technology

Applications & Technology

Learn more about Fannie Mae's library of applications


Defeasance Calculator

The Defeasance Calculator provides an indicative estimate of the cost of defeasance using current or user-defined interest rates.

DUS 360

DUS 360 is a new Asset Management software that serves as a platform to promote effective collaboration between Fannie Mae, servicers and other stakeholders on a loan’s lifecycle.

DUS Insights

DUS Insights® is a tool that allows DUS Lender users to pull property comp data to inform deal reviews and underwriting narratives.

DUS Navigate

Your portal to our simplified and restructured Multifamily Selling and Servicing Guide and Form 4660.

DUS Property Monitor

This application allows Servicers and Fannie Mae Green Asset Managers to manage tasks associated with verifying properties with Green Rewards loans including inspection, compliance, scope change and extension as well as facilitates the exchange of information and other properties in jurisdictions that legally require energy and water benchmarking (Covered Building).

Lender Capital Tool

Provides the net worth and liquidity dollar amounts required of each DUS Lender, as calculated by Fannie Mae.

Multifamily Application Programming Interfaces (APIs)

Our Customer APIs have been specially designed and tuned to address the needs of our current customers and are housed on the Fannie Mae Developer Portal.

Multifamily Asset Management Portal

Enables lenders to electronically submit property inspections and property operating statements.

Technology Manager

Allows registered users of Fannie Mae technology applications to view and modify their user profile and security information.