Ordinarily, a process server's affidavit of service constitutes prima facie evidence of proper service. However, the affidavit must be an affidavit of service, and not just an affidavit of due diligence in attempting service. Absent service, a default judgment is a nullity.
2004 McDonald Ave. Corp. v. KGYM Holdings Group, Inc., NY Slip Op 06508 2d Dep't (October 3, 2018)
Here is the decision.
