Allegheny County, PennsylvaniaProperty records & tax offices
Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.
Find the right property record
Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.
Tax bills & filing dates
These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.
- Tax bill mailing
- January 2026; the Treasurer's 2026 calendar states the Treasurer's Office mails tax statements in January.
- Payment deadline
- 2026 county real-estate tax: 2% discount period ends March 31, 2026; gross/face payment period ends April 30, 2026; delinquent period begins May 1, 2026 with a one-time 5% penalty and 1% monthly interest.
- Assessment appeal
- For tax year 2026, the annual assessment appeal window was July 1, 2025 through September 2, 2025. The 2027 annual window is July 1, 2026 through September 1, 2026 under County Ordinance 06-24-OR.
Exemptions & appeals
View exemption application (opens in a new tab)Senior relief
Allegheny County Act 77 Senior Citizen Property Tax Relief: qualifying homeowners age 60 or older who have owned and occupied the home for at least 10 years and whose total gross household income is no greater than $30,000 may receive a 30% county-tax discount. The 2026 application deadline is June 30, 2026.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.
More exemption & appeal guidance →