How much PRSI do I have to pay? If liable for PRSI 4% of your rental profit. By Cathal Maxwell|2025-05-23T06:20:24+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.