Guide

Renting out a unit and declaring it correctly: duplex, basement, room

A landlord must declare rental income and can deduct expenses, but the rental share must be calculated, and the principal residence exemption does not cover the rented portion.

Check before acting

A landlord must declare rental income and can deduct expenses, but the rental share must be calculated, and the principal residence exemption does not cover the rented portion.

Rent received is income, even in cash

Rental income is declared whatever the form of payment, and expenses are deducted in proportion to the rental use — floor area, number of units, rental period.

Official sources

Sources: Revenu Quebec (https://www.revenuquebec.ca/en/); Canada Revenue Agency — rental income (https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/rental-income.html). Checked September 20, 2026 — amounts, deadlines and fees are not reproduced here: confirm with the official source.

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