Self-Employment, Estimated Tax, and Safe Harbor

Unlike my regular job, where my employer withhold a portion of my salary to pay various taxes — i.e., Federal, State, City, Social Security, and Medicare — there’s no tax withholding for my self-employment income.  To avoid any penalty, I have to pay self-employment tax and make estimated tax payments four times a year.  However, I didn’t pay any self-employment or estimated tax so far this year, but I should be okay due to an allowance made by the IRS.

About Self-Employment And Estimated Taxes

What Is Self-Employment Tax?

Self-employment tax is basically the Social Security and Medicare portion of your taxes.  When you work for someone else, these taxes are withheld on your behalf.  However, as a self-employed person, you’ll have to pay these taxes in addition to income tax. The self-employment tax rate is 15.3%, which consists of two parts: 12.4% for Social Security and 2.9% for Medicare.

What Is Estimated Tax?

Estimated tax is the method used to pay tax on your income that is not subject to withholding — i.e., income from self-employment, interest, dividends, alimony, rent, capital gains, etc. You also have to pay estimated tax if the amount being withheld is not sufficient to meet your tax obligation.  In general, you have to make estimated tax payments if you expect to owe $1,000 or more when you file your return.

Safe Harbor

However, the IRS is generous enough to make an allowance for people like you and me.  As long as you pay 100% of your previous year’s total tax liability in withholding and/or estimated taxes, you’ll be exempt from underpayment penalty regardless of your final tax amount.

My Tax Situation And How I Handled It

So far, this has been a stellar year for my web businesses.  In fact, I am expecting that my self-employment income will be close to 20% of my total income when the year is over.  I knew that I could take advantage of the safe harbor rule and made some adjustment to my W4 at the beginning of the year to withhold extra money per paycheck.  However, I am doing better than I thought and I am sure I didn’t withhold enough money.

The first thing I did was to estimate on my tax liability.  I did a quick search and found a nice free tax calculator by H&R Block. The tool uses a step-by-step wizard to guide me through a few questions about my income sources and deductions, then provides me with an estimate of my tax liability — it looks like I’ll owe Uncle Sam about $2,500.

Next, I adjusted my W4 to withhold extra money for the rest of the year for both Federal and City income taxes.  The extra amount won’t be enough to cover the entire $2,500, but it will be enough so that I won’t cringe when I see how much I owe.

In addition, I could open a SEP IRA to reduce my tax liability.  However, I still haven’t fully contributed to our Roth IRAs yet, so that where the money will go.  I doubt I will have any money left to open a SEP IRA account this year, but that could be something I could do next year.

Note that I am not a tax expert so do your own research! However, if you’re a tax expert and see anything wrong with my situation, please let me know ASAP!

Here are some articles about self-employment, estimated tax, and safe harbor rule:

About the Author

By , on Sep 17, 2008
Pinyo
Pinyo is the owner of Moolanomy Personal Finance. He is a licensed Realtor specializing in residential homes in the Northern Virginia area. Over the past 20 years, Pinyo have enjoyed a diverse career as an investor, entrepreneur, business executive, educator, and financial literacy author.

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Leave Your Comment (7 Comments)

  1. Pinyo says:

    @Guest – If you realize a profit from your business, it’s unlikely that your full time job will withhold enough to cover your tax liabilities — so yes, you’ll have to pay quarterly taxes.

    If this is your first year and you’ll be withholding more taxes through your full-time job than last year, then you’ll be protected by the safe harbor rule and you don’t have to worry about quarterly taxes until next year.

  2. Guest says:

    Pinyo, thank you for this article! The only question I have is – even if I have a full time job* separate from my web business, do I still have to report quarterly taxes? I have just formed an LLC (single member, just me) on March 2012. I know I have to pay the $800 fee by June. My business isn’t running yet – do I still need to pay quarterly tax for April/June, etc.?

    *My employer withholds a certain amount from my paycheck.

  3. roger f friauf says:

    I want to make federal estimated tax payments from my checking account for 2011. Where do I go on the internet?
    Roger F Friauf

  4. Travelmonster says:

    Thank you so much! This is my first year self-employed and I am learning a lot about taxes – who knew all this stuff?!

  5. Pinyo says:

    @Curt – Thank you. :-)

  6. Curt says:

    Excellent article regarding self-employment tax.

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