Calendar
Please see the generally most important dates for most of our clients.
Important Disclaimer for Context and Use
This is extremely general and does not account for shifting due dates, local matters, payroll, and much more. Below is a classic pareto principle in which we are trying to lock in about 80% of what matters most, generally.
Individuals
CA C-Corp / S-Corp / Multi Member LLC
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General Dates | Description | Individuals | CA C-Corp / S-Corp / Multi Member LLC |
|---|---|---|---|
January 15 | Payment Deadline | Q4 Fed / CA Income tax | |
March 15 | Payment Deadline | CA S-corp / Multi Member LLC Extension filing / Pass-through entity (PTE) elective tax (AB-150 Payment) / CA LLC Tax Due payment / CA S-Corp Tax Due payment
| |
April 01 | Planning | Extension payments, filing, or target return completion | |
April 15 | Payment Deadline | Extension filing / payment / Q1 Fed & CA estimated tax / Sole member LLC payment due | CA LLC Annual Tax payment ($800) / CA S-Corp & C-Corp Estimated Tax installment payment / C-Corp Extension filing / C-Corp Fed and CA Tax Due Payment |
April 15 | Planning Deadline | IRA / fixing retirement plan issues / HSA (?) | |
June 01 | Planning | Q2 Payment calculation as needed | |
June 15 | Payment Deadline | Q2 Fed / CA Income tax | Pass-through entity (PTE) elective tax (AB-150 Payment) / CA LLC Annual Fee (based on income) / CA S-Corp & C-Corp Estimated Tax installment payment |
July – August | Vacation | As needed planning and extended return target dates | |
September 01 | Planning | Q3 Payment calculation as needed | |
September 15 | Payment Deadline | Q3 Fed Income tax (no CA payment due) | |
September 15 | Extended Filing Deadline | S-Corp / Multi Member LLC returns must be filed | |
October 15 | Extended Filing Deadline | Returns must be filed | C-Corp returns must be filed / only for fiscal year is calendar year |
November 15 | Planning | Year-end planning for the current year encouraged | Pass-through entity (PTE) elective tax (AB-150 Payment) |
December 15 | Payment Deadline | CA S-Corp / C-Corp Estimated tax installment payment | |
December 31 | Planning Deadline | Last day for any calendar year action |
Helpful Links For Other Common Dates and Tax Matters
To make things a bit easier, we’ve compiled a list of helpful links for common dates and tax matters, focusing on California (CA) and Delaware (DE) businesses.