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Tax Deductions – The Home Office Deduction

It’s important to take all your legal tax deductions to get the biggest possible tax refund. If you are self-employed, this is even more critical. Here is a quick primer on an elusive area of tax preparation: the home office deduction.

There are a variety of factors you must meet to claim a deduction for your home office. But I’ll explain each one individually.

Proper work status

To qualify for the home office deduction, your work status must meet one of two tests:

1. You are self-employed. If you run your own business, you’re all set. Jump to the next main factor.

2. You are an employee who works at home for your employer’s convenience. What the heck does that mean? Basically, it means that you doing work from home must be for the benefit of your employer, not yourself. If you don’t have a work space at the office, that would qualify. But if you just work from home to save gas, that won’t count.

After your work status meets the rules, we have to look at the nature of your home office use. These requirements can be even more technical, but they’re doable.

Regular use

The home office deduction requires that you use your space for business on a “regular” basis. This is evaluated based on all the facts and circumstances of your use.

If you have a desk that you use for work a couple times during the year, it probably won’t count as regular use. But if you work from home once a week, that probably counts.

Exclusive use

This factor is where some people get hung up. Your home office space must be used “exclusively” for business. Again, this is evaluated based on the specific facts of your case.

The IRS gives an easy example of a use that wouldn’t qualify for the home office deduction: using a den for work and for family recreation. Since the den isn’t used exclusively for business, you can’t take the deduction.

But the rules don’t require you to have an entirely separate room for your home office. You just need a separately identifiable space that is exclusively for business. Thus, if the desk area in your den is only used for business, you can deduct that portion of the room.

Principal business place

Once you’ve met all the other factors, your home office still must be your “principal place of business.” This doesn’t mean it’s your primary business place. You just have to meet one of these tests:

1. You do most of your administrative / managerial tasks there. You don’t have to do all your admin work in your home office, but it must be the only fixed location where you do this type of work.

2. You meet clients or patients there. This use cannot just be sporadic. It has to be “substantial and integral” to your business.

3. It’s a separate structure. If you have a shed or barn that is regularly and exclusively used for your home office, you’re golden.

I have deliberately re-organized these requirements in a different way from the IRS regulations. You may seem them written out differently somewhere else, but I think my explanation makes it easier to understand.

More information

The IRS has some great information available about the home office deduction. Check out its primary page on deducting your home office. Also, Publication 587 (PDF) covers the Business Use of Your Home.

Of course there is no better way to get information on tax deductions than consulting an accountant.

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6 Responses to “Tax Deductions – The Home Office Deduction”

  1. Dofollow Blogs
    January 27th, 2009

    Thanks for this in-depth explanation of the home office deduction.

    By the way, I have listed this blog as a dofollow blog and send a few readers your way. I’ve linked to the page above.

    I’m in the process of updating the rankings and providing a bit of information about each site. Updates should be up by Wednesday. Let me know if you’d like to change yours.


    Linda P. Morton

  2. Andrew Flusche
    January 27th, 2009

    @Linda – I’m glad you found the post useful. And thanks a bunch for the link. I appreciate it!

  3. Ryan Biddulph
    January 30th, 2009

    Hi Andrew,

    Thanks for this useful information. I recently started working from home so I am becoming familiar with the deductions which I can take.


  4. Andrew Flusche
    January 30th, 2009

    @Ryan – Congratulations! I hope you enjoy working from home. But be sure to keep good records in case you ever get audited. 🙂

  5. DanGTD
    February 12th, 2009

    Thanks for the great tips.

    Can we get your input on how to deduct a couple of days at a hotel? (a conference)

  6. Andrew Flusche
    February 13th, 2009

    @DanGTD – This is just a business travel expense. If you meet all the criteria, you can deduct your hotel stay, just like you can deduct mileage for driving to a business meeting. Check out Tax Topic 511.

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