Should you claim CCA on a rental? Look beyond this year's tax bill

Capital cost allowance (CCA) is a deduction for qualifying depreciable property. Claiming it can lower current rental income, but it also lowers the remaining tax balance and can lead to recapture later.

So there are two decisions: how much are you allowed to claim, and how much makes sense to claim? A maximum shown by software answers the first question only.

This example concerns an individual Ontario owner’s 2025 return and federal rental-property rules. Its tax rates are explicitly assumed sensitivities, not Ontario bracket rates or estimates of anyone’s complete return.

Establish eligibility before comparing savings

CCA applies to eligible depreciable assets, rather than land or mortgage principal. CRA’s rental CCA overview explains the deduction; its class guidance lists an ordinary Class 1 rate of 4%. A building’s correct class and special rules still need checking.

Use an existing building with opening UCC of CAD 400,000. UCC means the tax balance left after prior claims and other adjustments. There are no 2025 additions, dispositions or special incentives here. The ordinary annual calculation is $400{,}000\times0.04=16{,}000$, or CAD 16,000.

However, the owner’s aggregate net income from all rental properties before CCA is only CAD 12,000. For this individual’s ordinary rental situation, CCA cannot create or increase a rental loss. CRA requires the combined rental-income calculation, rather than judging each property in isolation. The allowable maximum here is therefore CAD 12,000, not CAD 16,000. A CAD 2,000 loss on another rental would reduce that ceiling to CAD 10,000. See CRA’s claim and loss-limit guidance.

New acquisitions need their own available-for-use and first-year review. The 2025 rental guide labels some newer incentive measures as proposed. This existing-building example applies none of them and makes no claim about their eventual enactment.

Compare zero, a partial claim and the maximum

CRA allows a claim from zero to the permitted maximum. Each amount claimed reduces UCC. Using the CAD 12,000 ceiling:

CCA itself does not send money to the owner or pay down the mortgage. The possible cash benefit is a smaller tax payment. Under an assumed constant 30% effective marginal rate on this deduction, the CAD 12,000 claim saves CAD 3,600 now. The partial claim saves CAD 1,800.

The word “effective” matters: use the actual change in the total tax calculation for a real decision. Other income, brackets, credits and income-tested amounts can change it. A broad average tax rate is not automatically the rate on the next deduction.

Model the sale as well as the filing year

Assume this building has capital cost of CAD 448,400 and historical CCA of CAD 48,400, as in the companion cost-record article. Now stipulate a sale five years later for CAD 500,000 attributable to the building after selling costs, with no further CCA, additions, personal use or other class transactions.

Without this year’s claim, full recapture would be CAD 48,400. Claiming an extra CAD 12,000 makes cumulative CCA CAD 60,400 and increases recapture by CAD 12,000. The building capital gain remains CAD 51,600 in this scenario. Recapture and capital gain are separate amounts; their distinction is explained in CRA’s disposition guidance and the companion recordkeeping article.

This is deliberately a case with full incremental recapture. It is not a forecast that every sale recaptures every prior claim.

Timing can help; a higher later rate can outweigh it

To compare today’s saving with a later bill, discount only the incremental recapture tax attributable to the proposed claim. The simplified present-value advantage is:

$$A = D t_0 - \frac{D t_s}{(1+r)^n}$$

$D$ is the proposed deduction; $t_0$ is the assumed current effective marginal rate; $t_s$ is the assumed sale-year rate on its fully recaptured amount; $r$ is the annual discount rate; and $n$ is years to sale. $A$ compares claim versus no claim under the stipulated scenario.

For $D=12{,}000$, $t_0=30\%$, $r=5\%$ and $n=5$:

At equal rates, retaining the saving for five years has value in this model. At the assumed higher later rate, that timing value is insufficient. The 5% discount rate represents a chosen value of money over time; it is not a guaranteed investment return. Neither row includes further deductions or tax-law changes.

Check whether the property was also your home

Before taking CCA on a former or partial principal residence, review change-of-use treatment. Claiming CCA can conflict with a subsection 45(2) election and affect eligibility for a subsection 45(3) election. CRA’s principal-residence folio explains those conditions. The table above deliberately excludes that situation.

Before filing, gather the class schedule, total rental results, expected holding period and possible conversion plans. Compare zero, a partial claim and the maximum using realistic tax changes. Revisit the choice annually and when a sale or move becomes plausible. A smaller bill this April deserves to be weighed alongside the property’s exit plan.

Related guides

• ACB, capital cost, and UCC: three records you should not mix up
• Renting your basement: allocate expenses without deducting your whole home
• US rental depreciation: the deduction, the basis adjustment, and the eventual sale

Sources

• CRA, Capital cost allowance for rental property. Accessed 2026-10-01; federal guidance/provision checked for the 2025 examples; recheck for the filing year.
• CRA, Amount of capital cost allowance you can claim. Accessed 2026-10-01; federal guidance/provision checked for the 2025 examples; recheck for the filing year.
• CRA, Rental classes of depreciable property. Accessed 2026-10-01; federal guidance/provision checked for the 2025 examples; recheck for the filing year.
• CRA, Rental income (T4036). Accessed 2026-10-01; T4036 revision 25, for 2025; proposals are labelled in the guide.
• CRA, Income Tax Folio S1-F3-C2: Principal Residence. Accessed 2026-10-01; federal guidance/provision checked for the 2025 examples; recheck for the filing year.