Multifamily Housing Program Financial Management Toolkit

1c. DUNS Number and SAM Registration Requirements

Before submitting an application to HUD, every applicant must be registered at and provide a valid DUNS number in its application. Only applicants with a valid SAM registration are able to submit electronic applications via as required by HUD NOFAs. Further, every grantee must maintain an active SAM registration with current information at all times during which it has an active Federal award or an application or plan under consideration by HUD.

What is a DUNS Number and How Do I Get One?

A DUNS number is a unique nine-digit identification number assigned to a business or organization by Dun & Bradstreet and provides a means of identifying business entities on a location-specific basis. The web site for DUNS registration is:

What is and How Do I Register?

SAM is the federal System for Award Management and is a requirement for doing business with the U.S. government. For more information and registration, go to: