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when are llc taxes due 2025

LLC tax deadlines for 2025 vary based on your business structure and filing status. Knowing these dates helps avoid penalties and keeps your operations smooth.

Tax Deadlines by LLC Type

LLCs aren't taxed as a standalone entity by default—they're pass-through, meaning income flows to owners' personal returns. Here's the breakdown for 2025 filings:

LLC Classification| Key Form| Original Due Date| Extension Available?| Notes
---|---|---|---|---
Single-Member (Disregarded Entity/Sole Prop)| Schedule C (Form 1040)| April 15, 2025| Yes, to Oct 15| Report on personal return; holidays shift to next business day.1
Multi-Member (Partnership)| Form 1065 + K-1s| March 17, 2025 (March 15 was Saturday)| Yes, to Sept 15| K-1s go to members for their April returns.135
Elects S-Corp Status| Form 1120-S + K-1s| March 17, 2025| Yes, to Sept 15| Pass-through to shareholders.13
Elects C-Corp Status| Form 1120| April 15, 2025| Yes, to Oct 15| Pays corporate tax at 21% rate.1

Quarterly Estimated Payments

Most LLCs need these if owing $1,000+ (individuals/partnerships/S-Corps) or $500+ (C-Corps). Pay via IRS Direct Pay or EFTPS to dodge underpayment penalties.

  • Q1 : April 15, 2025
  • Q2 : June 16, 2025
  • Q3 : September 15, 2025
  • Q4 : January 15, 2026

Pro Tip : Use Form 1040-ES for estimates; self-employed folks often overlook this, leading to big surprises come April.

Extensions and State Rules

File Form 7004 by original due date for automatic 6-month extensions—but payments are still due originally. States like California have separate LLC fees (e.g., $800 annual tax).

  • Always check IRS.gov for updates, as dates shift for weekends/holidays.
  • Extensions don't extend payment deadlines—interest accrues fast.

Imagine a small LLC owner scrambling on March 17 because they forgot partnership status: penalties start at 5% per month. Real stories from forums echo this—file early or hire a CPA.

Recent Trends and Tips

With 2025 behind us (it's Jan 2026 now), many owners reflect on last year's rush. Trending discussions highlight OBBBA changes boosting deductions like R&D credits. Consult IRS Publication 509 or a pro for your setup—rules evolve.

TL;DR : Partnerships/S-Corps by March 17, most others April 15; quarters end Jan 2026. Verify personally. Information gathered from public forums or data available on the internet and portrayed here.