Block Report

4900 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 4900 Block of Duffield St.

About this block

The 4900 block of Duffield St contains 27 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1925 to 1925. There are 1 open code violations across the block. The block has seen 27 ownership transfers in the last five years. 26 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
4915 Duffield St19250YesB
4917 Duffield St19250YesA
4919 Duffield St19250YesA
4920 Duffield St0YesB
4921 Duffield St19250YesB
4922 Duffield St19250YesA
4923 Duffield St19250YesA
4924 Duffield St19250YesA
4925 Duffield St19250YesA
4926 Duffield St19250YesA
Show all 27 properties
AddressYearOpen violOwner-occGrade
4927 Duffield St19250YesC
4928 Duffield St19250YesA
4929 Duffield St19250YesA
4931 Duffield St19250YesA
4932 Duffield St19250YesA
4933 Duffield St19251YesB
4934 Duffield St19250YesA
4935 Duffield St19250YesA
4937 Duffield St19250YesC
4940 Duffield St19250YesA
4941 Duffield St19250YesB
4942 Duffield St19250YesA
4943 Duffield St19250YesA
4946 Duffield St19250YesA
4948 Duffield St19250YesA
4952 Duffield St19250YesA
4954 Duffield St19250YesA

Recent block activity

  1. 2026-07-19License expired · 4946 Duffield St
  2. 2026-06-21Tax delinquency recorded · 4937 Duffield St
  3. 2026-06-21Tax delinquency recorded · 4915 Duffield St
  4. 2026-06-21Tax delinquency recorded · 4921 Duffield St
  5. 2026-06-21Tax delinquency recorded · 4941 Duffield St
  6. 2026-06-21Tax delinquency recorded · 4927 Duffield St
  7. 2026-06-21Tax delinquency recorded · 4931 Duffield St
  8. 2026-03-18Transferred · 4927 Duffield St
  9. 2026-03-06Transferred · 4927 Duffield St
  10. 2026-03-01Tax delinquency recorded · 4921 Duffield St
  11. 2026-03-01Tax delinquency recorded · 4927 Duffield St
  12. 2026-03-01Tax delinquency recorded · 4937 Duffield St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.04
StreetA0.23
ZIP 19124A0.17
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