Ontario · Confirmed residential and multi-class mill rates for 2025, with the 10-year trend and how Markham stacks up against its province and the rest of Canada.
All confirmed 2025 mill rates for Markham. Rates are shown in mills and as a percentage of assessed value.
| Property class | Mill rate | % of value |
|---|---|---|
| Residential | 7.00 | 0.70% |
| Multi-Residential | 10.50 | 1.05% |
| Commercial | 18.90 | 1.89% |
| Industrial | 19.60 | 1.96% |
Enter an assessed value to estimate the annual tax at Markham's confirmed 2025 rates.
Estimate only, based on the municipal rate and provincial portioning; it excludes education and school levies and any local improvement charges. For full carrying costs, use the True Cost Calculator.
How Markham's residential mill rate has moved over the past decade.
| Year | Residential rate | Change |
|---|---|---|
| 2016 | 6.65 | — |
| 2017 | 6.70 | +0.05 |
| 2018 | 6.75 | +0.05 |
| 2019 | 6.80 | +0.05 |
| 2020 | 6.85 | +0.05 |
| 2021 | 6.88 | +0.03 |
| 2022 | 6.91 | +0.03 |
| 2023 | 6.94 | +0.03 |
| 2024 | 6.97 | +0.03 |
| 2025 | 7.00 | +0.03 |
Estimate how your annual bill could move over the next several years as assessed values and the mill rate change. The mill-rate assumption is pre-filled from Markham's rate history where available; adjust any input to match your own outlook.
| Year | Assessed value | Mill rate | Est. annual tax |
|---|
Illustrative projection only. It compounds your chosen assessment-growth and mill-rate assumptions from the confirmed 2025 base and excludes education and school levies and any local improvement charges. Actual rates are set each year by the municipality and assessments by the province. Not financial advice.
In 2025, Markham's residential rate of 7.00 mills was 41% below the Ontario average (11.94) and 4% below the national average across the cities we track (7.28).
Looking for assessment and appeal deadlines? See the Ontario key dates.
Compare Markham with other Ontario municipalities we track.
See every Ontario rate on the Ontario property tax page, or browse the full By City directory.
Data reflects confirmed municipal tax bylaws; 2026 rates are added as each municipality finalizes them. Always verify current rates with Markham before making financial decisions. MillRate.ca aggregates publicly available municipal property tax rates for information only and is not affiliated with any municipality or assessment authority.