Intergenerational · Blainville · 2026
The exact category of the by-law in Blainville, its conditions, the permit fee, and the checklist before buying or converting.
Intergenerational home in Blainville in 2026: Blainville has the most classic definition: the intergenerational supplementary dwelling is occupied by people with a family or marriage link to the owner, their spouse and their dependants, in a single-family home, with a kitchenette, bathroom and bedroom for their exclusive use and access to the whole house. A single main entrance on the façade, serving both dwellings; the intergenerational dwelling is connected and communicates permanently with the other rooms; a single civic address, a single heating, electrical, water and sewer system. Building permit at $10 per $1,000 of work, minimum $50. Everywhere in Quebec, zoning may allow a single supplementary dwelling per main dwelling, reserved for family or not depending on the city, and the 2024-2029 by-right rule allows an accessory dwelling in a detached single-family home within the urban perimeter. Caregiver tax credit of $1,494 for a parent aged 70 or over who lives with you. Sources read on 16 September 2026.
Blainville has the most classic definition: the intergenerational supplementary dwelling is occupied by people with a family or marriage link to the owner, their spouse and their dependants, in a single-family home, with a kitchenette, bathroom and bedroom for their exclusive use and access to the whole house. An intergenerational dwelling is not a bachelor, and the architecture must respect the single-family built environment. No maximum area is stated.
A single main entrance on the façade, serving both dwellings; the intergenerational dwelling is connected and communicates permanently with the other rooms; a single civic address, a single heating, electrical, water and sewer system.
Building permit at $10 per $1,000 of work, minimum $50. Tax advantage posted by the City: no increase in the water tax or the garbage collection tax, and the assessment only rises for the renovations done. Converting a detached single-family home into an intergenerational home (section 63 of zoning by-law 1418) is also eligible for the tax credit program of by-law 1227, with an exemption from the permit fee, until 31 December 2027. For a new build or an extension, the general fee is on our page building permit by city.
Québec.ca (urban planning decision guide, “Logement intergénérationnel”, updated 31 August 2026): the zoning by-law may allow a single supplementary dwelling per main dwelling, intended for people in an established category who have, or have had, a family or marriage link with the main occupant, and the municipality sets the conditions of layout and occupancy, which may vary from one category of buildings to another. From 21 August 2024 to 21 August 2029, the Act to amend various legislative provisions respecting housing allows an accessory dwelling to be built by right in a detached single-family home located within the urban perimeter, outside places subject to public-safety constraints and outside heritage buildings, even if the zoning by-law does not allow it (summary published by the City of Terrebonne). The caregiver tax credit (caregiver tax credit of $1,494 for a person aged 70 or over who lives with you, and of $1,494 to $2,988 for an adult with an impairment living with you) and the GCR warranty on a new intergenerational build apply in Blainville as elsewhere; our guide to the intergenerational home in Quebec compares the ten cities.
Blainville has the most classic definition: the intergenerational supplementary dwelling is occupied by people with a family or marriage link to the owner, their spouse and their dependants, in a single-family home, with a kitchenette, bathroom and bedroom for their exclusive use and access to the whole house. The family link, when required, is in the City's by-law; otherwise the category is an accessory or additional dwelling open to all.
Building permit at $10 per $1,000 of work, minimum $50.
Yes, when the unit has its permit and respects the City's category: it appeals to families looking for exactly that and to buyers who see one more dwelling. Without a permit, it sells for less and more slowly.
Sources: blainville.ca, “Règlements et permis, logement supplémentaire intergénérationnel” and by-law 1227 (renovation assistance program, codified 23 April 2025), read on 16 September 2026; Québec.ca (intergenerational dwelling, 31 August 2026); revenuquebec.ca. Informational page: the City decides for your address.
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Also available in French: version française de ce guide.
Published September 7, 2026 by the Loaa & Manseur team, the number 1 team at RE/MAX Platine in 2024 and 2025, 6th RE/MAX team in Quebec, 15th in Canada and in the global top 50 according to the official RE/MAX ranking. Tell us about your project.
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