Block Report

4100 Block of Decatur St

6 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 6 properties on the 4100 Block of Decatur St.

About this block

The 4100 block of Decatur St contains 7 properties tracked on KnowMyBlock, with an average grade of B. Construction dates range from 1890 to 1980. There are 3 open code violations across the block. The block has seen 22 ownership transfers in the last five years. 5 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 43% of its parcels.

All properties on this block (7)

AddressYearOpen violOwner-occGrade
4117 Decatur St18900YesC
4119 Decatur St19101YesB
4120 Decatur St19600YesA
4122 Decatur St19600YesA
4124 Decatur St19800YesA
4126 Decatur St19800YesB
4132-36 Decatur St19502YesB

Recent block activity

  1. 2026-06-21Tax delinquency recorded · 4117 Decatur St
  2. 2026-03-07Inspection · 4132-36 Decatur St
  3. 2026-03-01Tax delinquency recorded · 4117 Decatur St
  4. 2026-02-09Permit issued · 4126 Decatur St — Addition And/Or Alteration
  5. 2026-01-29Inspection · 4132-36 Decatur St
  6. 2026-01-22Appeal filed · 4132-36 Decatur St
  7. 2026-01-22Appeal filed · 4132-36 Decatur St
  8. 2025-12-08Complaint closed · 4119 Decatur St
  9. 2025-12-08Complaint closed · 4119 Decatur St
  10. 2025-12-02Violation resolved · 4119 Decatur St — 9-3902 (1)
  11. 2025-12-02Inspection · 4119 Decatur St
  12. 2025-12-01Violation opened · 4119 Decatur St — 9-3902 (1)

Block health comparison

ScopeAvg gradeOpen viol/property
BlockB0.17
StreetA0.15
ZIP 19136A0.09
Citywide