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Oshawa property taxes 2025
Ontario · Municipal mill rates · provincial open data and municipal tax bylaws
By OpenStats · Built from official Canadian sources
Direct municipal data15.24millsHigh
~$6,858/yr on $450,000 assessed home
017.60National avg9.94ON avg14.09
Residential mill rate
15.24
mills · $6,858/yr municipal on $450K
Est. annual tax
$7,547
Municipal + education on $450,000 home
YoY mill rate change
+6.4%
2024 → 2025
Reading this page
Oshawa's 2025 residential mill rate is 15.2400 mills, plus an education levy of 1.5300 mills. That combination works out to roughly $7,547 per year on a $450,000 assessed home.
The commercial mill rate is 28.6900 mills, and the residential rate is 8% above the Ontario average of 14.09 mills.
How to read this
One mill equals $1 of tax per $1,000 of assessed value. Rates are compiled from provincial open schedules and municipal tax bylaws, then normalized to mills where the source allows. Assessment systems differ (BC Assessment, Ontario MPAC phase-in, Alberta market value, Nova Scotia capped assessment), so cross-province rate rankings are not dollar rankings until bases align.
Start with the residential mill rate and the sample bill on a median assessed home, then ask whether education or regional levies sit on top. Municipal rate is the piece council sets; your notice may show a higher total. Compare cities on a similar assessed value, and keep class in mind (residential vs commercial or multi-residential).
Use the calculator for a rough personal estimate, then confirm the current tax bylaw and your assessment notice before budgeting or a purchase decision. Method detail: methodology.
Figure 1 · Assessment math
Mills to dollars on a median home
Oshawa's residential mill rate of 15.24 mills on a $450,000 assessed home yields roughly $6,858 per year in municipal tax before education levies.
Mill rate history
Year-over-year residential mill rates
202515.24 mills
202414.32 mills
202313.76 mills
202213.26 mills
202113.05 mills
202012.88 mills
201913.45 mills
201814.07 mills
201714.85 mills
201614.62 mills
Tax estimate on median home
Based on a $450,000 assessed value
Annual breakdown
- Municipal portion
- $6,858
- Education levy
- $689
- Commercial mill rate
- 28.69 mills
- Estimated total
- $7,547/yr
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Source · Ontario FIR Schedule 22 (2025). Last updated 2025. Refreshed on the site's automated schedule.