March 5, 2019 The best way to check the status your refund is through Where's My Refund? on IRS.gov. All you need is internet access and this information: Your Social Security numbers Your filing status Your exact whole dollar refund amount You can start checking on the status of you return within 24 hours after the IRS received your e-filed return, or four weeks after mailing a paper return. Generally, the IRS issues most refunds in less than 21 days, but some may take longer. On the go? Track your refund status using the free IRS2Go app. Those who file an amended return should check Where’s My Amended Return?