Property tax & assessment — Newmarket, Ontario

What is the tax rate? When are taxes due? How is property assessed?

The Town of Newmarket, Ontario has 1 adopted bylaw on file: 2026 Schedule of Tax Rates for Taxable Property (Schedule A to the 2026 tax rates by-law), verified 2026-10-19.

2026 Schedule of Tax Rates for Taxable Property (Schedule A to the 2026 tax rates by-law) adopted bylaw

tax rate

RT 0.919045%; RH 0.919045%; MT 0.919045%; NT 0.919045%; NT1 0.650930%; MT2/NT2 0.919045%; CT 1.900449%; CU 1.900449%; CH 1.917135%; CK 1.917135%; DT 1.900449%; DU 1.900449%; GT 1.900449%; CX 1.900449%; ST 1.900449%; SU 1.900449%; IT 2.138765%; IU 2.138765%; IH 2.238765%; IK 2.238765%; IX 2.138765%; LT 2.138765%; PT 1.583996%; FT 0.229761%

Schedule "A"

scout note

Town of Newmarket 2026 tax rates by class (Town, York Region, school). Residential total 0.919045% (Town 0.373633%, Region 0.392412%, school 0.153000%); commercial 1.900449%; industrial 2.138765%. Schedule only; by-law number not shown.

Property Taxes - 2026 due dates, rates, instalments

Final 2026 instalments due July 24, Aug 25 and Sept 25, 2026; interim due Feb 25, Mar 25, Apr 27, 2026. Links 2026 and 2025 rate schedules.

Property Taxes - Payment Options and Account Changes (late interest)

States 1.25% interest per month added on the first of each month on unpaid taxes.

Machine-readable: property-tax.json · Official website: http://www.newmarket.ca · Last verified 2026-10-19 · Property tax & assessment across Ontario · Property tax & assessment in other municipalities