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Understanding Depreciation for Law Offices: Equipment, Property, and More


In the legal world, every asset matters – from the leather chairs in your consultation room to the computers hosting sensitive client information. Just as these assets contribute to your firm's success, they also experience wear and tear over time. Depreciation allows law firms to account for this natural decline in value. But how does one navigate the maze of depreciation rules? Let's demystify the essentials.

1. What is Depreciation?

At its core, depreciation is a tax deduction method that enables businesses to allocate the cost of tangible assets over their useful lifetimes. By depreciating assets, law firms can reduce taxable income, reflecting the reduced value of assets as they age.

2. Types of Assets that Can Be Depreciated

  • Office Furniture and Fixtures: This includes chairs, desks, shelves, and other fixtures that have a useful life longer than a year.

  • Technology: Computers, printers, servers, and other electronic equipment utilized in day-to-day operations.

  • Real Estate: While land doesn't depreciate, buildings and improvements do. This includes the main office, annex buildings, or any property used for the practice.

  • Vehicles: Cars or other transportation used primarily for business purposes.

3. Methods of Depreciation

  • Straight-Line Depreciation: This method divides the initial cost of the asset evenly over its useful life. It's straightforward and is often used for office fixtures and furniture.

  • Modified Accelerated Cost Recovery System (MACRS): This method allows for higher depreciation costs in the earlier years of an asset's life. It's commonly applied to office equipment and technology.

  • Section 179 Deduction: Allows businesses to deduct the entire cost of certain tangible property in the year they are purchased and used. There are limits, so it's crucial to consult with a tax professional.

4. Determining an Asset's Useful Life

The IRS provides guidelines on the expected useful lives of various assets. For instance:

  • Office Furniture: Typically 7 years

  • Computers and Tech Equipment: 5 years

  • Buildings: 39 years for commercial properties

It's crucial to use these guidelines unless there's a compelling reason to justify a different lifespan.

5. Keeping Track of Depreciated Assets

Maintain a comprehensive asset ledger that details:

  • Date of acquisition

  • Cost of the asset

  • Chosen depreciation method

  • Accumulated depreciation each year

This ledger will be invaluable during audits and when making business decisions.

6. Bonus Depreciation

The tax code occasionally allows "bonus" depreciation, permitting businesses to take additional depreciation in certain years. It's vital to stay updated on tax law changes or consult with a tax professional to maximize these opportunities.



Depreciation is more than just an accounting formality. It's a tool that, when understood and utilized correctly, can have significant tax benefits for law firms. By keeping an organized asset ledger, staying informed about the latest tax code updates, and regularly consulting with tax professionals, law firms can harness depreciation to its fullest potential.

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