What Allegheny County property tax looks like
Among the 30 counties covered here, Allegheny County has the 8th highest effective rate and the 22nd highest median bill. Every $100,000 of value carries about $1,569 of tax a year at this rate.
On a $400,000 purchase that comes to roughly $6,276 a year, or $523 a month. Priced at the Pennsylvania average rate instead, the same home would cost $73 a month less in tax.
Allegheny County assesses the property, and the county, the municipality and the school district each levy their own millage on that one assessed value.
Example monthly payment at the median home value
Borrowing $173,360 against a $216,700 Allegheny County home (20% down, 6.5% for 30 years, illustrative rather than quoted) works out as follows.
| Component | Per month |
|---|---|
| Principal and interest | $1,096 |
| Property tax | $283 |
| Homeowners insurance | $150 |
| Mortgage insurance (PMI) | $0 |
| Total | $1,529 |
Property tax is 18.5% of the $1,529 total, so a lender escrowing it would set aside about $283 each month toward the Allegheny County bill.
How reliable this figure is
For Allegheny County the Census Bureau reports a 90% margin of error of ±$38 on the $3,399 median tax and ±$1,559 on the $216,700 median value, so the 1.569% rate is a county-wide average rather than the rate on any one bill.
These medians describe today's owners, not today's buyers. How Pennsylvania values and caps a home, including what resets on sale, is set out on the Pennsylvania page.
Counties with a similar rate
Also in Pennsylvania: Philadelphia County (0.840%).
Frequently asked questions
What is the property tax rate in Allegheny County, PA?
The effective rate is 1.569%, which is the median real estate tax paid ($3,399) divided by the median home value ($216,700) in the Census Bureau's 2019-2023 estimates.
How much is property tax on a $400,000 home in Allegheny County?
At this county's effective rate the figure is about $6,276 a year, or $523 a month. That is $73 a month more than the Pennsylvania average rate of 1.35% would give on the same price.
How much of a Allegheny County monthly mortgage payment is property tax?
On a $216,700 home with 20% down at 6.5% over 30 years, property tax is about $283 of a $1,529 total monthly payment, or 18.5%.
Is property tax in Allegheny County high compared with the rest of Pennsylvania?
Allegheny County's 1.569% is 0.22 percentage points above the 1.35% Pennsylvania average, and its $3,399 median bill ranks 22nd of the 30 counties covered here, with the rate ranking 8th.
Source and method
Census American Community Survey, ACS 2019-2023 5-year estimates, released December 2024. For Allegheny County: B25103 median tax $3,399, B25077 median value $216,700, B25003 354,840 owner-occupied homes. Formulas are on the methodology page; every result is an estimate, not a quote or tax advice.