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What Is Depreciation on Rental Properties and How Does It Work?

  • Writer: WPM Accounting
    WPM Accounting
  • Aug 11
  • 8 min read

Updated: 6 days ago

If you own a rental property, you probably know it can be a reliable source of income. But what many landlords overlook is that there’s more to making money in real estate than collecting rent each month. One of the most powerful financial benefits you can tap into is depreciation, a tax deduction that can significantly reduce your taxable income. Understanding how it works can save you thousands of dollars over time.


A landlord or property manager reviewing financial reports with rental property documents on the table.

Depreciation is not about the value of your property dropping in the open market. Instead, it’s the government’s way of acknowledging that buildings wear out, age, or become outdated. In return, you can write off a portion of your property’s value each year as an expense. Done right, this strategy helps you keep more money in your pocket, strengthen your cash flow, and maximize your return on investment.


The tricky part is that depreciation comes with rules, timelines, and calculations that can easily confuse even experienced landlords. Missteps could cost you in lost deductions or trigger tax issues down the road. That’s why learning the basics, applying the right methods, and getting professional guidance can make all the difference. Let’s break it down step-by-step.


Understanding Depreciation Rental Properties: The Basics Every Landlord Should Know


At its core, depreciation is the gradual deduction of the cost of your rental property over a set period. The IRS allows landlords to recover the cost of income-producing property through yearly tax deductions. Think of it as spreading out the expense of buying your rental property over its useful life. This “useful life” is not based on your personal opinion but on specific rules set by tax authorities.


For residential rental properties in the United States, the IRS generally assigns a useful life of 27.5 years. This means you can deduct a fraction of the property’s cost each year for nearly three decades. For commercial properties, the timeline is 39 years. It’s important to remember that land itself is not depreciable, only the building and certain improvements can be written off.


In short, depreciation is a paper expense that can significantly lower your taxable income without affecting your actual cash flow. For real estate investors and brokerages, it’s one of the most strategic tools for maximizing profits. The key is knowing exactly what qualifies, when to start, and how to track it.


How Does Depreciation Work for Rental Properties in Real Life?


Understanding depreciation in theory is one thing, seeing how it plays out in practice is another. Imagine you purchase a residential rental property for $300,000. The value of the land is $60,000, and the building is worth $240,000. Since the land is not depreciable, you would base your depreciation on the building value alone.


Here’s how it might work:


  • Divide $240,000 by 27.5 years.

  • This gives you a yearly depreciation deduction of about $8,727.

  • Each year, you claim this amount on your taxes, reducing your taxable rental income.


Over time, this deduction can be a game-changer. For example, if your property generates $20,000 in annual rental income, the depreciation could reduce your taxable income to just over $11,000. This not only lowers your tax bill but also improves your investment’s profitability.


Depreciation isn’t just for newly bought properties. If you renovate your rental, say by adding a new roof or upgrading the kitchen, you can depreciate those improvements too, using their own useful life schedules. It’s these layers of benefits that make depreciation such a valuable part of your property management strategy.


How to Calculate Depreciation on Rental Properties


Calculating depreciation is more than simple subtraction. You must follow specific steps to ensure accuracy and compliance. While some landlords try to do this on their own, working with professionals like WPM Accounting can help you avoid costly errors.


Before you start calculating, gather these details:


  1. Determine the property’s basis This is usually the purchase price, plus certain costs like legal fees, minus the value of the land.

  2. Separate land and building values Land does not depreciate, so it’s essential to determine each portion accurately.

  3. Identify the property’s class life Residential rentals are depreciated over 27.5 years, commercial over 39 years.

  4. Apply the correct depreciation method The Modified Accelerated Cost Recovery System (MACRS) is the standard in the U.S.

  5. Account for partial years If you start renting your property mid-year, you only depreciate the months it was in service.

  6. Track improvements separately Renovations have their own depreciation schedules.

  7. Keep detailed records Documentation ensures you can justify deductions if audited.


By following these steps carefully, you can take full advantage of the tax benefits without running into compliance issues.


The Tax Advantages of Depreciating Your Rental Property


Depreciation offers landlords a hidden treasure chest of tax savings. The primary advantage is that it allows you to reduce your taxable income without spending additional money. This means more profit stays in your pocket, money you can reinvest into your property or other ventures.


Beyond lowering your annual tax bill, depreciation can also offset rental income that might otherwise push you into a higher tax bracket. For real estate investors and brokerages managing multiple properties, these savings can add up to tens of thousands of dollars over the life of an investment.


Another tax perk is that depreciation can sometimes offset other passive income. If you have multiple rental properties or other qualifying investments, the deductions can cross over, further reducing your overall tax burden. However, there are recapture rules to consider when you sell the property, which is why consulting with experts in our accounting services is essential to create a strategy that works in your favor.


When Should You Start Depreciating Your Rental Property?


Timing is everything when it comes to depreciation. You can begin claiming depreciation in the year your property is ready and available to rent, not necessarily when it is actually rented out. This means if you buy a property in June, renovate it in July, and have it ready by August, you can start depreciating from that date.


Understanding this timing rule ensures you don’t miss out on deductions in your first year. Delays in starting depreciation can result in lost opportunities that you can’t easily recover. While there are procedures to catch up on missed deductions, it’s far simpler to start correctly from day one.


This is why many landlords choose to outsource real estate accounting services to professionals who track these dates accurately. It’s a small step that can lead to significant long-term savings.


Common Mistakes to Avoid When Depreciating Rental Properties


Even a small mistake in depreciation can lead to financial headaches that take years to fix. The IRS has clear rules on how and when you can claim depreciation, and overlooking them could cost you deductions or even result in penalties. Here are some of the most common pitfalls landlords should watch out for and how to steer clear of them.


1. Forgetting to separate land value


When you buy a rental property, part of the purchase price is for the land and part is for the building. Only the building and certain improvements qualify for depreciation, not the land itself. If you don’t separate the land value and claim depreciation on the total cost, you’re essentially taking deductions you’re not entitled to, and that could trigger an IRS review or penalties. Always get a clear breakdown from your property appraisal or tax records.


2. Misclassifying improvements


Not all property expenses are treated equally in tax law. Some repairs, like fixing a broken window, can be deducted immediately. Others, like installing a new HVAC system or adding a room, must be depreciated over several years. Misclassifying these costs can either cause you to lose out on deductions or create problems during an audit. The key is understanding which expenses are considered repairs versus capital improvements.


3. Ignoring partial year rules


Depreciation is based on the time your property is available for rent, not just the calendar year. If your property was only in service for part of the year, you must prorate the deduction accordingly. Claiming a full year’s depreciation when your property wasn’t ready or available to rent is a red flag for tax authorities. Always note the exact date your property became rental-ready in your records.


4. Losing track of improvements


Every renovation or major upgrade you make increases your property’s depreciation basis. However, these must be tracked separately to ensure each improvement follows the correct useful life schedule. Failing to do this can result in under-claiming deductions over time. Keep a detailed log of all capital improvements, including dates, costs, and receipts.


5. Not adjusting for selling the property


Depreciation doesn’t just disappear when you sell your rental. The IRS requires you to pay depreciation recapture tax on the amount you’ve claimed, which can significantly affect your capital gains calculation. Not planning for this can lead to unpleasant surprises at tax time. Understanding this rule helps you prepare financially and avoid a shortfall when selling.


6. Doing it all manually without guidance


While it’s possible to calculate depreciation on your own, the rules are detailed and mistakes can be expensive to fix. Using tax software without fully understanding the inputs can also result in incorrect figures. Consulting a qualified accountant, like the professionals at WPM Accounting, ensures your calculations are accurate and your deductions are maximized.


7. Failing to update depreciation schedules


Your depreciation schedule isn’t a set-and-forget document. Any change in the property’s use, significant improvement, or adjustment in value requires an update. Ignoring these updates can cause incorrect deductions and create messy records if you’re audited. Reviewing your depreciation schedule annually is a smart habit for any landlord.


Avoiding these mistakes not only protects you from penalties but also helps you keep your deductions intact, maximize your returns, and maintain audit-ready records. For many real estate investors and brokerages, outsourcing real estate accounting services ensures every detail is handled with precision, leaving you free to focus on growing your property portfolio.


Why Correctly Calculating Depreciation Can Save You Thousands


Depreciation might seem like just another accounting term, but it can be the difference between average returns and exceptional profits. When done right, it reduces your taxable income year after year, freeing up cash for reinvestment, property improvements, or paying down debt. Over the life of a property, this can add up to substantial savings, often in the tens of thousands.


The secret lies in precision. Each figure, from your property’s basis to the exact date it went into service, impacts the final deduction. Even small errors, repeated annually, can snowball into major losses. For landlords who want to get the most out of their investments, partnering with experts like WPM Accounting ensures every detail is handled correctly.


By understanding and applying depreciation properly, you position yourself not just to save on taxes, but to grow your real estate portfolio more effectively. In property investing, the numbers tell the story, and depreciation can make yours a very profitable one.


Conclusion: Putting Depreciation to Work for Your Rentals


Depreciation is not just a tax rule; it’s a financial tool that, when used wisely, can dramatically boost your bottom line. The key is knowing the rules, avoiding common mistakes, and calculating accurately from the start. Here are your key takeaways:


  • Depreciation spreads the cost of your rental property over its useful life, reducing taxable income.

  • Only buildings and certain improvements qualify, land does not.

  • Timing your start date correctly ensures you capture every eligible deduction.

  • Avoid mistakes like misclassifying expenses or skipping updates to your depreciation schedule.

  • Professional guidance can turn depreciation into a consistent profit booster.


If you’re ready to maximize your property’s potential, our accounting services at WPM Accounting can help you create a depreciation strategy that works for your specific situation. Whether you’re a first-time landlord or a seasoned investor, the right approach can help you keep more of what you earn.





Frequently Asked Questions About Depreciation on Rental Properties


What are the most common mistakes landlords make when calculating depreciation on rental properties?


Landlords often forget to separate the land value from the building value, claim ineligible repairs as immediate deductions, or miss partial year rules. These errors can lead to incorrect deductions and potential tax issues.


Can you claim depreciation on both residential and commercial rental properties?


Yes. Residential properties are depreciated over 27.5 years, while commercial properties are depreciated over 39 years. The method and rules are similar, but timelines differ.


How do I set up a depreciation schedule for my rental property?


You begin by determining your property’s basis, separating land from building value, and applying the correct depreciation method. Professional help ensures compliance and accuracy.


What happens if I forget to claim depreciation in previous tax years?


You can file for a change in accounting method to catch up on missed deductions. This process can be complex, so professional guidance is recommended.


Is it better to calculate depreciation on my own or hire a professional accountant?


 While you can calculate it yourself, hiring a professional accountant ensures accuracy and compliance. This can prevent costly mistakes and help you maximize your deductions.









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