Block Report

4800 Block of Duffield St

27 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 27 properties on the 4800 Block of Duffield St.

About this block

The 4800 block of Duffield St contains 27 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1920 to 1965. There are 4 open code violations across the block. The block has seen 29 ownership transfers in the last five years. 25 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 15% of its parcels.

All properties on this block (27)

AddressYearOpen violOwner-occGrade
4800 Duffield St0YesC
4802 Duffield St19250YesB
4804 Duffield St19250YesA
4806 Duffield St19250YesA
4808 Duffield St19250YesA
4810 Duffield St19250YesA
4812 Duffield St19651YesB
4814 Duffield St19251YesB
4816 Duffield St19250YesA
4818 Duffield St19251YesB
Show all 27 properties
AddressYearOpen violOwner-occGrade
4820 Duffield St19251YesC
4822 Duffield St19250YesA
4824 Duffield St19200YesA
4826 Duffield St19250YesA
4828 Duffield St19250YesB
4830 Duffield St19250YesA
4833 Duffield St0YesB
4835 Duffield St19250YesA
4837 Duffield St19250YesB
4839 Duffield St19650YesA
4841 Duffield St19250YesB
4842 Duffield St19250YesA
4843 Duffield St19250YesB
4844 Duffield St19250YesA
4846 Duffield St19250YesA
4848 Duffield St19250YesA
4850 Duffield St19250YesA

Recent block activity

  1. 2027-03-06License expired · 4818 Duffield St
  2. 2027-01-09License expired · 4802 Duffield St
  3. 2026-06-21Tax delinquency recorded · 4828 Duffield St
  4. 2026-06-21Tax delinquency recorded · 4837 Duffield St
  5. 2026-06-21Tax delinquency recorded · 4820 Duffield St
  6. 2026-06-21Tax delinquency recorded · 4830 Duffield St
  7. 2026-06-21Tax delinquency recorded · 4812 Duffield St
  8. 2026-06-21Tax delinquency recorded · 4800 Duffield St
  9. 2026-06-21Tax delinquency recorded · 4841 Duffield St
  10. 2026-05-19Inspection · 4800 Duffield St
  11. 2026-05-19Inspection · 4800 Duffield St
  12. 2026-05-07Inspection · 4828 Duffield St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.15
StreetA0.23
ZIP 19124A0.17
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