Understanding Depreciation: A Guide for Small Business Owners in 2025

‍

1. What Is Depreciation and Why Does It Matter?

Depreciation is allocating the cost of a tangible asset over its useful life. Rather than deducting the full purchase cost in the year of acquisition, businesses spread the cost across several years, matching expenses to the periods that benefit from the asset's use.

What You Need to Know:

• Assets That Depreciate: Office furniture, computers, vehicles, machinery, and buildings.
  
  
• Assets That Don’t: Land. (Land is not depreciable under IRS guidelines.)
  
  
• Benefits: Reduces taxable income, improves cash flow, and aligns with GAAP-compliant financial reporting.
  
  

Example: If you purchase a $20,000 piece of equipment with a useful life of five years and a $2,000 salvage value, you can depreciate $3,600 annually using the straight-line method.

2. Common Depreciation Methods for Small Businesses

Choosing the correct depreciation method affects how quickly you realize tax benefits and how assets appear on your books. The IRS allows several depreciation methods, each suited to different business goals.

What You Need to Know:

• Straight-Line Depreciation: This is the simplest and most common method. It allocates equal depreciation each year.
• Declining Balance: Accelerates depreciation in the early years, useful for assets that lose value quickly.
• Section 179 Deduction: This deduction allows the immediate expensing of qualifying assets up to the IRS limit ($1.22 million in 2025).
• Bonus Depreciation: Enables businesses to deduct a significant percentage of asset costs in the first year (60% in 2025).
  
  

How to Choose:

Consider the type of asset, your business's current and projected income, and how quickly the asset will lose value. A tax professional can help align your method with your financial goals.

3. Keeping Proper Records for Depreciation

Accurate recordkeeping is essential for claiming depreciation and passing an audit. The IRS requires documentation to support the method and amount of depreciation claimed.

What You Need to Track:

• Purchase date and cost
  
  
• Description and location of the asset
  
  
• Estimated useful life and salvage value
  
  
• Depreciation method used
  
  
• Annual depreciation schedule
  
  

How to Stay Compliant:

Use accounting software that automates asset tracking and generates depreciation reports. Maintain digital copies of invoices and receipts.

4. How Depreciation Affects Financial Statements and Taxes

Depreciation has a dual impact: it reduces taxable income and affects book value on financial statements.

What You Need to Know:

• Income Statement: Depreciation is a non-cash expense that lowers net income.
  
  
• Balance Sheet: Depreciated assets show a reduced book value over time.
  
  
• Tax Return: Depreciation deductions reduce your total tax liability.
  
  

Why This Matters:

Understanding these impacts lets you make strategic decisions about reinvestment, financing, and long-term growth. Underestimating depreciation's role can lead to misreported earnings or missed tax savings.

5. When to Work with a Tax Advisor

Companies can manage basic depreciation in-house, but complex asset portfolios or multiple depreciation schedules (book vs. tax) require expert support.

What a Tax Advisor Provides:

• Guidance on Section 179 vs. bonus depreciation
  
  
• Audit support and IRS compliance
  
  
• Custom depreciation strategies for cash flow optimization
  
  

When to Consult:

Suppose you've made large capital purchases, own mixed-use property, or want to plan your tax strategy more proactively. In that case, a tax advisor can help you maximize your benefits and avoid costly errors.

Conclusion

Depreciation is a powerful tool for reducing tax liability and maintaining accurate financial records. Small business owners can turn depreciation into a strategic advantage by understanding the different methods, keeping detailed records, and consulting with a tax expert.

If you're looking for expert guidance to simplify your tax filing process, schedule a time with a Decimal expert at https://www.decimal.com/contact-us. We'll help ensure you get the most from your business's long-term assets.