LLC Tax Deadlines: Important IRS Dates You Can’t Miss​

(ad) Form your LLC the right way from day one and stay compliant with state and IRS rules with Bizee here: https://startupwise.com/bizee/ ^ Start your LLC for $0 plus state fees In this video, I go over the most important 2026 LLC tax deadlines that can quietly cost you money if you miss them, so if you have an LLC and feel unsure about March versus April dates, quarterly taxes, or what actually applies to you, this will finally clear that up in plain English and give you a simple way to stay ahead of the IRS calendar. Use QuickBooks to organize your LLC income and expenses in real time so tax deadlines never catch you off guard again with QuickBooks here: https://startupwise.com/quickbooks/ Our favorite business must-haves: 💳 Best business credit cards: https://startupwise.com/creditcards 🏦 Novo (best business bank): https://startupwise.com/novo 🖥️ Best AI website builder ($3/month using code STARTUPWISE): https://startupwise.com/hostinger/ ⚙️ Northwest (best $39 LLC formation service): https://startupwise.com/northwestLLC 💰 Payroll with Gusto (get 2 months free!): https://startupwise.com/gusto 👨💼 Best overseas staffing agency (save 80% on payroll): https://paired.so/startupwise Be sure to watch this video until the end because I’ll walk you through the exact deadlines for single member LLCs, multi member LLCs, and LLCs taxed as S corps, along with the common mistakes that trigger penalties and how to avoid them before they happen. If you have ever worried about late filing fees, confusing extensions, or not knowing how much to set aside for taxes, you will see how a clear structure and simple systems can help you feel more in control and less overwhelmed. ​ If you have been searching for LLC tax deadlines 2026, LLC tax filing dates, quarterly estimated tax payment schedule, or how LLC S corp deadlines work, this video breaks it down with real examples and practical tips you can actually use. We will talk about the 2026 filing deadline for single member LLCs taxed as sole proprietors, the partnership deadline for multi member LLCs, S corp filing dates, extensions, penalties, and why good bookkeeping in QuickBooks makes tax prep and estimated payments much easier. If you found this video helpful, be sure to check out our other videos on: How to Track LLC Expenses to Maximize Tax Deductions: https://youtu.be/BUn21NHUA5g How to Elect Your LLC To Be Taxed As an S Corporation (Fast): https://youtu.be/yPujEa46xAc Request New Videos Here: https://forms.gle/k9TtfauggkEpAWNQA More tutorials on our website: https://www.startupwise.com Thanks for watching! I hope you have a wonderful day! – Erin #Taxes #TaxFiling #IRS Timeline: 0:00 - Introduction 0:38 - Overview 1:24 - Why LLC Tax Deadlines Can Be Confusing 2:47 - Single-member LLC 4:02 - Multi-member LLC 5:33 - What They Do and Don't Do 7:40 - How Formation Decisions Affect Deadlines 9:58 - Common Mistakes That Trigger Penalties 11:54 - Conclusion Disclaimer: Some of the links above may be affiliate links, meaning I may receive a small commission if you click on them. The commission is paid by the retailers at no cost to you, and this helps to support our channel and keep our videos free. Thank you! All info from our videos is compiled from online sources and our own experience, and we encourage you to do your due diligence. We appreciate your viewership! In addition, we are not financial advisors. StartupWise does not provide tax, legal, or accounting advice. The ideas presented in this video are for entertainment purposes only. Please do your due diligence before making any financial decisions.