Depreciation Schedule Calculator
Generate a 27.5-year depreciation schedule for residential rental property tax deductions. Enter values for instant results with step-by-step formulas.
Calculator
Adjust values & calculateDepreciation Schedule
Formula
The depreciable basis equals the property value minus the land value, since land cannot be depreciated. Residential rental property uses a 27.5-year straight-line depreciation period, while commercial property uses 39 years. The mid-month convention prorates the first and last year based on the month placed in service. Tax savings equal the annual depreciation multiplied by the marginal tax rate.
Last reviewed: December 2025
Worked Examples
Example 1: Residential Rental Placed in Service July 2024
Example 2: Commercial Property Placed in Service January 2024
Background & Theory
The Depreciation Schedule Calculator applies the following established principles and formulas. Real estate investment analysis relies on a set of income-based metrics that translate property performance into comparable figures. Net Operating Income (NOI) is the annual income generated by a property after operating expenses but before debt service and taxes: NOI = Gross Rental Income - Vacancy Allowance - Operating Expenses. The capitalization rate (cap rate) expresses the relationship between NOI and property value: Cap Rate = NOI / Property Value. A higher cap rate signals greater income relative to price — and typically greater perceived risk or a weaker market — while lower cap rates characterize prime assets in supply-constrained markets. The Gross Rent Multiplier (GRM) offers a quicker, rougher valuation: GRM = Purchase Price / Annual Gross Rent. Investors use it to filter properties before conducting full underwriting. The Loan-to-Value (LTV) ratio, calculated as the mortgage balance divided by appraised value, determines a borrower's leverage and is a primary driver of both mortgage rate and lender approval. Conventional lenders in the US typically require LTV below 80 percent to avoid private mortgage insurance. Cash-on-cash return measures annual pre-tax cash flow as a percentage of total cash invested: CoC = Annual Cash Flow / Total Cash Invested. This metric is distinct from overall return because it isolates the performance of the equity component after servicing debt. Mortgage amortization creates a second wealth-building channel alongside appreciation: each monthly payment reduces the outstanding principal, transferring ownership from the lender to the borrower over the loan term. Standard amortization formula: M = P[r(1+r)^n] / [(1+r)^n - 1], where P is principal, r is the monthly rate, and n is the number of payments. In early years, most of each payment is interest; in later years, principal repayment accelerates. Appreciation and income return together constitute total return, and the optimal mix between them varies by market cycle, property type, and investor tax situation.
History
The history behind the Depreciation Schedule Calculator traces back through the following developments. Formal systems of property rights trace their roots to ancient civilizations. Roman law developed sophisticated concepts of ownership, usufruct, and easements that influenced Western legal systems for two millennia. English common law codified property rights through statutes of mortmain and the Statute of Uses, laying groundwork for the modern mortgage — derived from the Old French meaning dead pledge, because the debt died either when repaid or when the creditor foreclosed. In the United States, the Homestead Act of 1862 granted 160 acres to settlers who improved the land, catalyzing westward expansion and creating a culture of owner-occupied housing. The federal government's role expanded dramatically in the twentieth century. The Great Depression devastated real estate values; the Federal Home Loan Bank System was created in 1932 and the Federal Housing Administration in 1934 to restore mortgage credit and standardize the long-term amortizing mortgage. The GI Bill of 1944 subsidized home loans for veterans, fueling the suburban boom of the 1950s and 1960s. Rising homeownership rates transformed real estate into the primary store of wealth for American middle-class households. The Savings and Loan crisis of the 1980s exposed the dangers of maturity mismatch — funding long-term mortgages with short-term deposits — combined with deregulation and fraud. Approximately 1,000 thrift institutions failed, costing taxpayers an estimated 160 billion dollars. The Resolution Trust Corporation was created in 1989 to manage and sell off failed institutions' assets. The 2008 global financial crisis stemmed from the originate-to-distribute model in which mortgage originators sold loans into securitization vehicles with little regard for borrower creditworthiness. The collapse of the subprime market triggered a cascade of writedowns at global financial institutions and led to the deepest recession since the 1930s. The Dodd-Frank Act of 2010 introduced qualified mortgage standards and risk-retention requirements. Post-pandemic monetary easing drove US home prices to record highs between 2020 and 2022, followed by a sharp slowdown as the Federal Reserve raised rates aggressively from 2022 onward.
Key Features
- Estimate total fuel cost for any road trip by entering distance, vehicle fuel efficiency, and current fuel price, with support for both imperial and metric units.
- Compare two tire sizes side by side to calculate the difference in overall diameter, section width, and sidewall height, and determine the speedometer correction factor when changing tire sizes.
- Convert engine power output between horsepower and kilowatts, and convert torque between pound-feet and Newton-metres, for accurate cross-market vehicle specification comparisons.
- Calculate braking stopping distance at any speed for dry, wet, or icy road conditions using standard deceleration rates, helping drivers understand safe following distances.
- Project vehicle depreciation over any ownership period using declining-balance or straight-line methods, and estimate the residual trade-in or resale value at a future date.
- Run a total-cost-of-ownership break-even analysis comparing an electric vehicle against a petrol equivalent, factoring in purchase price difference, fuel savings, and charging costs over time.
- Calculate engine RPM at a given road speed for any gear ratio, final drive ratio, and tyre circumference, useful for evaluating gearing changes or custom differential setups.
- Verify towing capacity against trailer weight and calculate tongue load, payload distribution across axles, and whether the combined gross vehicle weight rating is within legal limits.
Frequently Asked Questions
Formula
Annual Depreciation = (Property Value - Land Value) / Useful Life (27.5 or 39 years)
The depreciable basis equals the property value minus the land value, since land cannot be depreciated. Residential rental property uses a 27.5-year straight-line depreciation period, while commercial property uses 39 years. The mid-month convention prorates the first and last year based on the month placed in service. Tax savings equal the annual depreciation multiplied by the marginal tax rate.
Worked Examples
Example 1: Residential Rental Placed in Service July 2024
Problem: A residential rental property purchased for $300,000 with $60,000 land value, placed in service in July 2024. Owner is in the 24% tax bracket.
Solution: Depreciable basis: $300,000 - $60,000 = $240,000\nAnnual depreciation: $240,000 / 27.5 = $8,727\nMonthly depreciation: $727\nFirst year (July, mid-month): 5.5 months = $3,999\nAnnual tax savings: $8,727 x 24% = $2,095\nTotal tax savings over 27.5 years: $240,000 x 24% = $57,600
Result: Annual Deduction: $8,727 | First Year: $3,999 | Tax Savings: $2,095/yr | Total: $57,600
Example 2: Commercial Property Placed in Service January 2024
Problem: A commercial property purchased for $500,000 with $100,000 land value, placed in service January 2024. Owner is in the 32% tax bracket.
Solution: Depreciable basis: $500,000 - $100,000 = $400,000\nAnnual depreciation: $400,000 / 39 = $10,256\nMonthly depreciation: $855\nFirst year (January, mid-month): 11.5 months = $9,833\nAnnual tax savings: $10,256 x 32% = $3,282\nTotal tax savings over 39 years: $400,000 x 32% = $128,000
Result: Annual Deduction: $10,256 | First Year: $9,833 | Tax Savings: $3,282/yr | Total: $128,000
Frequently Asked Questions
What happens to depreciation when I sell a rental property?
When you sell a depreciated rental property, the IRS requires you to pay depreciation recapture tax on the accumulated depreciation deductions you claimed during ownership. This recapture is taxed at a maximum federal rate of 25 percent, regardless of your ordinary income tax bracket. For example, if you claimed $100,000 in total depreciation deductions, you would owe up to $25,000 in recapture taxes upon sale. Importantly, you must recapture depreciation even if you failed to claim it, because the IRS taxes the amount you were allowed to deduct, not just what you actually deducted. Any gain above the original purchase price is taxed as long-term capital gains at 0 to 20 percent. A 1031 exchange can defer both capital gains taxes and depreciation recapture by rolling the proceeds into a replacement property, though the deferred depreciation will eventually be recaptured when the replacement property is sold.
What is bonus depreciation and how does it apply to rental property?
Bonus depreciation is a tax provision that allows investors to deduct a large percentage of the cost of certain assets in the first year rather than spreading the deduction over the normal useful life. Under the Tax Cuts and Jobs Act of 2017, bonus depreciation was set at 100 percent through 2022, then phases down by 20 percent each year. For 2024, the bonus depreciation rate is 60 percent, dropping to 40 percent in 2025 and 20 percent in 2026. Bonus depreciation applies to the shorter-lived components identified through cost segregation, such as 5-year, 7-year, and 15-year property, but not to the 27.5-year or 39-year building structure itself. This means a cost segregation study that identifies $80,000 in short-lived assets could generate a $48,000 bonus depreciation deduction in 2024 at 60 percent. This strategy is particularly valuable for high-income investors seeking to offset substantial taxable income.
How does depreciation interact with passive activity loss rules?
Rental real estate is generally classified as a passive activity under IRS rules, meaning losses including depreciation deductions can only offset passive income, not active income like wages or business profits. However, there is an important exception: taxpayers with adjusted gross income under $100,000 can deduct up to $25,000 in passive rental losses against active income. This allowance phases out between $100,000 and $150,000 AGI, disappearing entirely above $150,000. Real estate professionals who spend more than 750 hours per year in real estate activities and more time in real estate than any other profession can treat rental activities as non-passive, allowing unlimited depreciation deductions against any type of income. Unused passive losses are suspended and carried forward to future years when they can offset passive income or be fully deducted when the property is sold in a fully taxable disposition.
Should I use straight-line depreciation or can I use accelerated methods?
For the building structure itself, the IRS requires straight-line depreciation over 27.5 years for residential rental or 39 years for commercial property. There is no option to use accelerated methods like double-declining balance or sum-of-years-digits for the building itself. However, through cost segregation, components of the building can be reclassified into shorter-lived asset categories that qualify for accelerated depreciation methods. The Modified Accelerated Cost Recovery System allows 5-year and 7-year property to use the 200 percent declining balance method, and 15-year property to use the 150 percent declining balance method. Combined with bonus depreciation, this accelerated approach front-loads depreciation deductions into the early years of ownership, providing maximum tax benefit when combined with a cost segregation study. The trade-off is smaller deductions in later years and potentially larger depreciation recapture upon sale.
How do I calculate depreciation for a property converted from personal use to rental?
When converting a personal residence to a rental property, the depreciable basis is the lesser of the fair market value at the time of conversion or the adjusted basis of the property. The adjusted basis is your original purchase price plus improvement costs minus any casualty losses previously deducted. If you bought your home for $250,000 and it is worth $300,000 when you convert it to a rental, your depreciable basis is $250,000 minus the land value, because you use the lower of cost or market value. If the home decreased to $200,000 at conversion, you use $200,000 minus land value. This rule prevents taxpayers from depreciating personal-use appreciation that was never taxed. You then depreciate this basis over 27.5 years starting from the date of conversion, using the mid-month convention. Any improvements made after conversion are depreciated separately from the conversion date.
What records should I keep for rental property depreciation?
Maintaining detailed records is essential because the IRS can audit depreciation claims and require documentation of your calculations. Keep the closing statement showing the purchase price and all closing costs that contribute to your cost basis. Retain property tax assessments that show the land-to-building value allocation, or keep a copy of any professional appraisal used for the allocation. Maintain records of all capital improvements including receipts, contractor invoices, permits, and before-and-after photos, as these increase your depreciable basis. Save copies of your tax returns showing depreciation deductions claimed each year, since depreciation recapture upon sale is based on deductions allowed or allowable. If you conducted a cost segregation study, keep the full report as it provides the documentation for your asset classifications. Store these records for at least three years after you sell the property and file your final tax return for it, though many advisors recommend keeping them indefinitely.
References
Reviewed by Daniel Agrici, Founder & Lead Developer · Editorial policy