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Property Tax Calculator

Works out annual property tax from the assessed value, any exemptions and the millage or percentage rate, including a second taxing authority with its own exemption, and shows the monthly amount to set aside.

Annual property tax
5,000.00
Property Tax Calculator
Monthly amount to set aside
416.67
Taxable value
250,000.00
First levy
5,000.00
Second levy
0.00
Effective rate on the full value
1.6667 %
Saved by the exemptions
1,000.00
Worked out from New York State Department of Taxation and Finance, How property taxes are calculated and 1 other source.
Rates and exemptions are set locally and change each year. Take both from the current assessor’s notice rather than last year’s bill.
An estimate from the figures entered. Rates, exemptions and assessment practice are local and change yearly; check the assessor’s notice for your own.

Your figures

Updates as you type
Percentage of value that is assessed. Leave at 100 if the figure above is already the assessed value.
Homestead or other exemption subtracted before the main rate.
For a second levy — a school district, say — that recognises a different exemption.
In the same units as the rate above. Leave at zero if there is only one levy.

How this is worked out

4 steps
  1. Assessed value = 300000
  2. Taxable value = 300000 − 50000 = 250000
  3. First levy = 250000 ÷ 1,000 × 20 mills = 5000
  4. Annual tax = 5000, or 416.67 a month

Its 3 worked examples are re-run on every release, last on 15 September 2026. What changed

Sources and references

2 sources
New York State Department of Taxation and Finance, How property taxes are calculated
Taxable assessed value multiplied by the tax rate per thousand. Its worked example was used to confirm the method.
International Association of Assessing Officers, Standard on Property Tax Policy
Assessment ratios, exemptions and the separation of overlapping levies.

What this calculator does

Works out annual property tax from the assessed value, any exemptions and the millage or percentage rate, including a second taxing authority with its own exemption, and shows the monthly amount to set aside.

How to use Property Tax Calculator

Enter Assessed or market value, Assessment ratio, Exemption, Rate quoted as, Rate, Second authority: exemption and Second authority: rate. The calculator checks the values, applies the stated method, and updates the result without saving your figures.

What the result means

The result includes Annual property tax, Monthly amount to set aside, Taxable value, First levy, Second levy, Effective rate on the full value and Saved by the exemptions. Review the visible working and any warnings before using the answer for a decision.

Method and checks

The method cites New York State Department of Taxation and Finance, How property taxes are calculated; International Association of Assessing Officers, Standard on Property Tax Policy. Its 3 built-in worked examples are checked on every full test run. The initial answer and working are rendered on the server, so they remain readable without JavaScript.

Results are general information, not financial, tax, legal, medical or engineering advice. Check any decision that matters with a qualified professional.

Embed this calculator on your website

Copy this code into any page. The calculator appears with the figures currently entered, sizes itself to fit, and a small credit line links back here. Free, no account, no ads inside it, no tracking of your readers. Set your own figures and fixed fields; Personal removes the credit line, sets your colour and shows you which sites use it.

Preview

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