Depreciation is one of the most powerful tax benefits of owning rental property. It allows you to deduct the cost of a residential building over 27.5 years — generating a non-cash tax deduction each year that reduces your taxable rental income, often turning a profitable rental into a paper loss for tax purposes. A $300,000 building (excluding land) generates an $10,909 annual depreciation deduction every year for 27.5 years — without spending a single additional dollar. Understanding how to calculate, claim, and plan around depreciation (including the recapture tax at sale) is essential for every rental property owner.

Quick answer: Residential rental property: straight-line depreciation over 27.5 years. Only the building depreciates — not the land. Annual deduction = (purchase price − land value) ÷ 27.5. Claim on Schedule E, Part I. Mid-month convention in first and last year. Must deduct even if you do not want to — basis reduces whether you claim it or not. Recaptured at 25% when you sell. Use Form 3115 to catch up missed depreciation.

Calculating Your Depreciation Basis

The depreciable basis is the building value — not the total purchase price:

Step 1: Determine total cost basis

Item Amount
Purchase price $385,000
Closing costs (legal, title, recording) $8,500
Improvements before placed in service $12,000
Total cost basis $405,500

Step 2: Allocate between land and building

Land does not depreciate. Determine the land-to-building ratio using:

  • Property tax assessment breakdown (most counties list land and improvement values separately)
  • Appraisal value allocation
  • IRS accepted reasonable allocation

Example:

  • Property tax assessment: Land = 20%, Building = 80%
  • Total basis: $405,500
  • Land basis: $405,500 × 20% = $81,100
  • Depreciable building basis: $405,500 × 80% = $324,400

Step 3: Calculate annual depreciation

$324,400 ÷ 27.5 years = $11,796 per year

The Mid-Month Convention

In the first year you place the property in service (and in the final year when you stop using it as a rental), you use the mid-month convention: the IRS treats you as placing the property in service at the midpoint of the month you actually did so, regardless of the specific day.

First-year depreciation (placed in service in September):

The property is treated as placed in service September 15. That is 3.5 months of the year remaining (September 15 through December 31 = 3.5 months out of 12).

First-year depreciation: $11,796 × (3.5 ÷ 12) = $3,440

IRS Publication 946 Table A-6 provides exact mid-month percentages by month for 27.5-year residential property. Tax software applies these automatically.

Year-by-Year Depreciation Schedule Example

Year Annual Depreciation Notes
2026 (placed in service Sept) $3,440 Mid-month convention — partial year
2027 $11,796 Full year
2028 $11,796 Full year
… (years 2027–2052) $11,796/year Full years
2053 (27.5th year) ~$8,356 Partial final year
Total depreciated over life $324,400 Full building basis recovered

What Can Be Depreciated Separately (Components)

Beyond the main building (27.5 years), certain components may qualify for shorter depreciation periods:

Component Depreciation Life
Residential appliances (stoves, fridges) 5 years
Carpet and flooring 5 years
Landscaping and land improvements 15 years
Fences and paving 15 years
Land Not depreciable
Building structure 27.5 years

When you buy appliances or make improvements to a rental property, these are depreciated separately (not over 27.5 years) using the appropriate class life. Appliances and carpet are 5-year property, which allows faster depreciation and potential bonus depreciation in the first year under current law.

Claiming Depreciation on Schedule E

Rental property depreciation is reported on Schedule E, Part I (Supplemental Income and Loss). Each rental property gets its own section of Schedule E:

  • Line 18: Depreciation expense and depletion
  • Attached is Form 4562 (Depreciation and Amortization) — tax software generates this automatically

In the first year of rental ownership, you need to provide:

  • Date placed in service
  • Cost or other basis
  • Land value (to calculate depreciable basis)
  • Business use percentage (100% for fully rented property; less for personal use periods)

After the first year, tax software carries forward the depreciation schedule automatically.

Depreciation Recapture at Sale: The 25% Tax

When you sell a rental property, depreciation claimed over the years is “recaptured” by the IRS and taxed at a maximum rate of 25% (regardless of your income tax bracket). This is reported as unrecaptured Section 1250 gain on Schedule D Line 19.

Example:

Item Amount
Sale price $550,000
Adjusted basis (cost − total depreciation claimed) $279,500
Total gain $270,500
Depreciation claimed over 7 years $82,572
Unrecaptured Section 1250 gain (25% rate) $82,572
Remaining long-term capital gain (15% or 20% rate) $187,928

Tax calculation:

  • $82,572 × 25% = $20,643 (depreciation recapture tax)
  • $187,928 × 15% = $28,189 (capital gains tax)
  • Total tax on sale: $48,832

You cannot avoid recapture on an outright sale. However, a 1031 like-kind exchange defers both the regular capital gain AND the depreciation recapture indefinitely.

Catching Up Missed Depreciation: Form 3115

If you owned a rental property and failed to take depreciation (a common mistake), you must NOT simply start claiming depreciation going forward. The correct procedure is to file Form 3115 — Application for Change in Accounting Method — which allows you to deduct all missed depreciation in the current year as a “481(a) adjustment.” This is an IRS-approved procedure and avoids an amended return for each missed year.

Depreciation is not optional — even if you fail to claim it, the IRS will reduce your basis and charge recapture tax as if you did. Claim depreciation every year, track your accumulated depreciation carefully, and consider a cost segregation study if the property cost more than $500,000.

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