The Philadelphia Board of Revision and Taxes has tax payment history, sales history, ownership and square footage for properties in the City of Philadelphia. The data is available free of charge.
DATA FOR A FEE
Hallwatch, a nonprofit organization, has real estate data available by subscription, including deed index information from 1976 through the present, delinquent properties and tax lien records, and comparative sales.
The City of Philadelphia's Philadox service provides allows you to look up deeds by grantor, grantee or address.
WISE ACRE WIKI
The Wise Acre Wiki is a place for you to post information about Philadelphia real estate and data sources.
