When do I pay the USC on rental income? Along with your annual income tax payment every October. By Cathal Maxwell|2025-05-23T06:21:50+01:00May 23, 2025|Rental Income Tax Return FAQs| Share This Story, Choose Your Platform! FacebookXBlueskyRedditLinkedInWhatsAppTelegramTumblrPinterestXingEmail About the Author: Cathal Maxwell Cathal brings over 40 years of tax experience, advising individuals and businesses on Income Tax, Capital Taxes, Inheritance Tax, Stamp Duty, and VAT.