Block Report

100 Block of Jefferson St

17 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 17 properties on the 100 Block of Jefferson St.

About this block

The 100 block of Jefferson St contains 20 properties tracked on KnowMyBlock, with an average grade of B. Construction dates range from 1915 to 2020. There are 12 open code violations across the block. The block has seen 17 ownership transfers in the last five years. 15 properties on the block were built before 1978 and may carry lead-paint risk under Philadelphia's lead disclosure ordinance. The top three property owners on this block control approximately 20% of its parcels.

All properties on this block (20)

Recent block activity

  1. 2027-01-08License expired · 145 Jefferson St
  2. 2026-06-21Tax delinquency recorded · 163 Jefferson St
  3. 2026-06-21Tax delinquency recorded · 141 Jefferson St
  4. 2026-06-21Tax delinquency recorded · 119 Jefferson St
  5. 2026-06-21Tax delinquency recorded · 121 Jefferson St
  6. 2026-04-23Inspection · 117 Jefferson St
  7. 2026-03-12Transferred · 139 Jefferson St
  8. 2026-03-01Tax delinquency recorded · 119 Jefferson St
  9. 2026-03-01Tax delinquency recorded · 139 Jefferson St
  10. 2026-03-01Tax delinquency recorded · 121 Jefferson St
  11. 2026-03-01Tax delinquency recorded · 163 Jefferson St
  12. 2026-01-08License issued · 145 Jefferson St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockB0.71
StreetB0.45
ZIP 19122A0.14
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