Trois-Rivières at a glance
| Region | Mauricie |
| MRC | Mauricie |
| Population | 149,423 |
| Area | 334.2 km² |
| Demonym | Trifluvien, ienne |
| Incorporated | 2002 |
Modular construction in Trois-Rivières
In Trois-Rivières and the Mauricie region, modular construction is especially suited to residential projects on private land. Modules are built in a factory, sheltered from the weather, then delivered and assembled on a permanent foundation — cutting on-site timelines and weather dependence, two very real constraints outside the major centres.
The total cost of a project in Trois-Rivières depends on the land, foundation, connections (water/sewer or well/septic) and transport to the municipality, on top of the building itself. Once set on a foundation, the home finances like any other property.
Read the complete modular home guide · Detailed prices · Choosing a builder
Permits and regulations in Trois-Rivières
Trois-Rivières's zoning dictates where and how the home can be sited (setbacks, height, placement), and a municipal permit is required before work begins. The Quebec Building Code (RBQ) applies to the whole project; the factory-built portion is governed by CSA A277 certification, while the foundation, connections and assembly are inspected by the municipality.
Check zoning rules and permit applications directly with the municipality: www.v3r.net.
Where to find the rules in Trois-Rivières
Rules are specific to Trois-Rivières and the target zone. Before buying land or ordering modules, confirm these with the relevant authorities:
- Zoning & planning by-laws — Permitted uses, setbacks, height and siting — and whether factory-built homes are allowed in the target zone in Trois-Rivières. www.v3r.net →
- Building permit — Application form, required documents and timelines from Trois-Rivières's planning department. www.v3r.net →
- Regional land-use plan — Regional land-use designations, managed by the Mauricie MRC. View →
- Agricultural zone (CPTAQ) — If the lot is in an agricultural zone, Commission authorization may be required before building. www.cptaq.gouv.qc.ca →
- Septic systems & wells — Off municipal services, Regulation Q-2, r.22 governs septic installations. www.environnement.gouv.qc.ca →
- Building code & RBQ licence — Verify your builder's RBQ licence and Quebec Building Code requirements. www.rbq.gouv.qc.ca →
- Guide: building permits in Quebec — Our step-by-step guide to permit procedures for a modular building. View →
- Modular construction glossary — Zoning, minor variance, CSA A277, turnkey… every project term explained simply. View →
- In person — Trois-Rivières city hall: 1325, place de l'Hôtel-de-Ville.
Modular builders serving Trois-Rivières
Modular buildings are factory-built then transported to the site, so a builder does not need to be based in Trois-Rivières to deliver a project there. Most Quebec factories serve the entire province, including Mauricie. Always verify the company's RBQ licence and get several quotes.
8Module
Modular multi-residential buildings (6 to 24+ units) factory-built in Quebec.
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To compare manufacturers active in Quebec, see our modular builders guide.
Articles mentioning Trois-Rivières
Our guides and coverage that mention Trois-Rivières or projects in the area.
Trois-Rivières, ex-pire taux d'inoccupation au Canada, se relève ; la Mauricie reste la région la plus frappée par les fermetures de RPA. Portrait 2026.
Fiducie foncière dans les Laurentides, immeubles préfabriqués de la SHQ dans des villages de 1 300 habitants : ce que des municipalités québécoises ont déjà fait pour le logement abordable — et les outils à leur portée.
155 logements étudiants à Rimouski, plus de 840 aînés déplacés par des fermetures de RPA, 72 logements de travailleurs à Baie-Comeau : comment le modulaire loge ceux que le marché ignore.
Zonage figé, dérogations interminables, UHA interdites : comment la réglementation municipale freine le logement au Québec — et la révolution tranquille amorcée par la loi 31.