Just to clarify, since you indicate you are a single member LLC with income starting in September, you are required to pay estimated tax payments if you expect to owe tax of $1,000 or more when your return is filed. You would file a Schedule C which is included with your 1040 return and any withholdings via an employer will be included as payments with your return. The total income earned on a W2 as well as your self employment earnings on a 1099 or otherwise via your LLC will also be included. It would be advised to make the last two ES payments if you believe you will owe:
| Payment Period |
Due Date |
| January 1 – March 31 |
April 15 |
| April 1 – May 31 |
June 15 |
| June 1 – August 31 |
September 15 |
| September 1 – December 31 |
January 15* of the following year. *See January payment in Chapter 2 of Publication 505, Tax Withholding and Estimated Tax |
You can use the taxcaster to estimate your income and tax due. Self employment income (LLC) is taxed at 15.3% for social security and Medicare on top of regular income tax for your tax bracket. You can use this table for 2024:
cheers!
