Review the school tax rate available in Lachine for 2026–2027, the applicable exemption and an indicative estimate based on the property value.
The estimate subtracts the available annual exemption from the adjusted standardized value before applying the rate for the period. It does not replace the official tax bill.
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This indicative estimate is based on an adjusted standardized value of 430,000 dollars. The official school tax bill remains the reference.
Search an address in Montréal to find its municipal assessment and the available tax information.
One platform
Enter an address in Lachine to find the property’s municipal assessment and review the available tax information that puts its taxes in context.
Decide with better data
Three clear strengths to connect a property with the tax information available in Immocalcul, without confusing an estimate with the official bill.
01 · Search by address
Search for an address in Lachine to find the property and its municipal assessment, then put the rates available for Montréal into context. The estimate remains indicative and does not replace the official tax bill.
02 · Connected data
Immocalcul brings the available municipal property tax, school tax and property transfer duty data together around one property, so you do not have to search in several places. When information is unavailable, it is simply not displayed.
03 · Transparent estimate
The calculator uses only the available tax components to produce an indicative estimate. Additional charges may appear on the municipality’s official tax bill.
The rate displayed for Lachine is set province-wide, not by the municipality. The collecting body and due dates may vary by territory.
The exemption is deducted from the adjusted standardized value, then the province-wide rate is applied to the remaining taxable value. The Immocalcul estimate remains indicative.
For each property type, we take the middle assessed value among the properties analyzed (the median), then apply the 2026–2027 school-tax rate and exemption. For this comparison, that value is treated as the adjusted school-tax value; the official bill may use a different value. The median values cover all of Montréal, not only Lachine.
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Lachine’s profile uses the published cumulative residential rate; a per-dwelling charge may also apply under the city schedule.
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Clear answers
The province-wide rate shown for 2026–2027 is $0.07899 per $100 of adjusted standardized value. It is not presented as a rate set by Lachine.
The first $25,000 of value is exempt before the rate is applied.
Comité de gestion de la taxe scolaire de l’île de Montréal issues or administers the bill for the applicable territory.
No. Immocalcul provides an indicative estimate. Phasing, adjustments and the value used for collection can change the official amount.
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Property taxes and real estate
Search an address in Montréal to review its municipal assessment and put the available tax information into context.
