Transparent method
How this calculator works
- Change is calculated between the previous and current assessment.
- Uniformized assessment is the entered roll value multiplied by the comparative factor.
- The investigation signal uses the size of the change, reference-date lag and distance of the factor from 1.
Limits and amounts to confirm
Public-roll coverage varies by municipality. To avoid uncertain address matches, ProprioValeur does not claim province-wide automatic lookup; always use your municipality’s official roll.
Official sources and dates
- Gouvernement du Québec — Évaluation foncière municipaleEffective/source date: 2026-03-18 · verified: 2026-08-23
- Gouvernement du Québec — Demander la révision du rôleEffective/source date: 2026-03-17 · verified: 2026-08-23