SearchSystems Editorial

Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. Every office link was opened and checked against the office's own site between September 23, 2026 and October 1, 2026.

About this guide

Allegheny County, Pennsylvania, has about 1.2 million residents (2024 Census Bureau estimate). The title to a parcel in Allegheny County is in the deed records of the Recorder of Deeds and its taxable value is set by the Assessment Office; what is built on it is a matter for the city or the county. This guide says who keeps each record and where the page for each office is.

This guide covers deeds, assessed values, directory links, city permits, evictions and court cases, records requests and common questions.

Related guides: Allegheny County public records, Allegheny County arrest records, Allegheny County warrants, Allegheny County inmate search, Allegheny County criminal records, Pennsylvania arrest records and Pennsylvania inmate search.

Deeds, Mortgages and Liens in Allegheny County

Who owns a parcel in Allegheny County and what it sold for are in the deed records of the Recorder of Deeds, with every lien or mortgage against the land.

SearchSystems opened and checked the Recorder of Deeds' page at alleghenycounty.us/Government/Records/Land-Records (page title: Land Records | Allegheny County, PA), phone 412-350-4636, which answered when SearchSystems opened it on September 23, 2026.

Assessed Values and the Tax Roll in Allegheny County

What a parcel in Allegheny County is taxed on is the business of the Assessment Office, which also keeps the parcel maps. Pennsylvania counties set assessments in a base year and reassess rarely, so assessed values can be decades old; the county publishes a ratio to convert them to market value.

SearchSystems opened and checked the Assessment Office's page at alleghenycounty.us/Services/Property-Assessments-and-Real-Estate/Pr... (page title: Property Record Search | Allegheny County, PA), phone 412-350-4636, which answered when SearchSystems opened it on October 1, 2026.

More Official Property and Land Records Pages for Allegheny County

The SearchSystems directory, online since 1997, lists the official pages for Allegheny County and Pennsylvania. These property pages from its Allegheny County listing were opened again on October 1, 2026 and each one still answers:

Permits and City Records in the Cities of Allegheny County

Building permits, zoning and code cases inside a city are the city's own records. The cities in Allegheny County with a SearchSystems guide to their offices, the largest twelve first, with the city page SearchSystems verified:

The rest: Dormont, Carnegie, Oakmont, Forest Hills and Clairton.

Evictions and Court Cases About Land in Allegheny County

An eviction is a court case in the Magisterial District Courts, and so is a foreclosure, a lien dispute or a quiet title suit, in the Allegheny County Court of Common Pleas; the court file is public unless sealed.

The court records page SearchSystems verified for the county is at alleghenycounty.us/Government/Court-Related/Public-Defender/Find-Yo....

Asking a County Office for a Record

Under the Right-to-Know Law a county office must answer a request within 5 business days, with a 30-day extension, and it may charge copying at 25 cents a page. The county records request page SearchSystems verified is at alleghenycounty.us/Government/Records/Open-Records (page title: Open Records | Allegheny County, PA).

Frequently Asked Questions

Who records deeds in Allegheny County?

The Recorder of Deeds, at alleghenycounty.us, phone 412-350-4636. Deeds, mortgages and liens on land in Allegheny County are filed there, and the Assessment Office (alleghenycounty.us) has the assessment records.

Who sets the assessed value of a property in Allegheny County?

The Assessment Office, whose page SearchSystems verified is at alleghenycounty.us.

Where are evictions from Allegheny County filed?

In the Magisterial District Courts. The file is public unless the court seals it.

How is property assessed in Pennsylvania?

Pennsylvania counties set assessments in a base year and reassess rarely, so assessed values can be decades old; the county publishes a ratio to convert them to market value.

Is this the official Allegheny County website?

No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.