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How Allegheny County property taxes work

Every property owner here gets three real estate tax bills a year from three different governments. This covers the county's bill in detail: the rate, the math, the dates and where to pay.

Checked against county sources on November 10, 2026. General information, not legal or tax advice.

Three bills, three governments

Real estate here is taxed by the county, by your municipality and by your school district. Each sets its own rate and sends its own bill. The school district's is almost always the largest.

Parcel Finder and the county's Real Estate Portal show only the county tax. For the other two, your municipality's tax collector is the place to ask.

The county rate

Tax rates are quoted in mills. One mill is $1 of tax for every $1,000 of assessed value.

The county's rate for 2026 is 6.43 mills, the same as 2025. Before that it was 4.73 mills, so the 2025 increase was a large one. The 2027 rate is set with the county budget in December and had not been adopted when this was checked.

How the county bill is figured

The Treasurer's formula is short: the taxable value multiplied by the millage rate equals the gross tax due.

Take a home assessed at $100,000. At 6.43 mills the county tax is $643.00. If it is the owner's primary residence and has the homestead exclusion, the first $18,000 isn't taxed, so the bill is figured on $82,000 and comes to $527.26.

Remember that the assessed value is a 2012 base-year figure, not what the home would sell for.

Dates to know

These are the dates the Treasurer published for 2026. The pattern has been the same from year to year.

Where to pay

You can pay the current year's county tax online through the Real Estate Portal. Open your property and go to the Tax Info (E-Bill / E-Pay) tab. You can also pay by mail or in person at the Treasurer's Office, Room 108 of the County Courthouse at 436 Grant Street.

The Treasurer collects only the current year. For earlier years that went unpaid, the Treasurer directs owners to Jordan Tax Service at 412-835-5243.

Municipal and school rates

These vary a great deal, which is why two similar houses in neighboring communities can owe very different totals. The County Treasurer keeps a table of every municipality's and school district's millage.

City of Pittsburgh property owners follow a different calendar for city and school taxes, with earlier discount dates and an installment option. The city's finance department publishes those dates.

Tax when a property sells

A sale triggers a different tax, the realty transfer tax, paid when the deed is recorded. In most of the county it totals 2% of the price: 1% to the state, half a percent to the municipality and half a percent to the school district. In the City of Pittsburgh the total is 5%.

Check what a property owes

Open any property on Parcel Finder and scroll to the county tax section. It lists each recent year's bill, whether it was paid and when, read live from the county.

Sources

Look up a property

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