Philadelphia property due diligence
Instant due diligence across permits, L&I violations, tax assessments, abatement clocks, and deeds for all 580,000+ Philadelphia properties. Fast, transparent, and 100% free.
No account required 580,000+ properties Official sources cited
Cached City-record aggregates computed 2026-09-05. Assessment values and growth use the years shown; sale-field comparisons require at least 30 observations in each 180-day window. · full methods and rankings →
The Carfax for Philadelphia Properties
Philadelphia scatters property records across separate City databases. BlockReport connects them into one clean, 50-millisecond due-diligence report.
Every building permit, alteration, zoning appeal, and L&I violation plotted against property valuation over time. Spot unpermitted work and hazardous citations before closing.
Explore sample timeline →Track tax abatement start dates, expiration years, and the pending tax cliff. Know exactly when exempt taxable value rolls onto the bill before buying.
View assessment history →Verify active rental suitability licenses, lead certification status, and deed transfer history. Unmask entity ownership portfolios across reviewed assessor name variants.
Inspect property owners →Instant server-rendered reports for all 580,000+ Philadelphia properties. Fast mobile access with direct links to official City source records on every page.
How our data works →Use a passkey on a device where you set one up.
Or enter the email used for Reader or Analyst. New emails receive the same link and become free Reader accounts.