Block Report

4100 Block of Aspen St

8 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 8 properties on the 4100 Block of Aspen St.

About this block

The 4100 block of Aspen St contains 10 properties tracked on KnowMyBlock, with an average grade of B. Construction dates range from 1915 to 1930. There are 3 open code violations across the block. The block has seen 4 ownership transfers in the last five years. 9 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 50% of its parcels.

All properties on this block (10)

AddressYearOpen violOwner-occGrade
4101 Aspen St19150YesA
4102 Aspen St1YesC
4103 Aspen St19150YesA
4104 Aspen St19150YesA
4105 Aspen St19150YesB
4106 Aspen St19150YesA
4109-19 Aspen St19210YesB
4125 Aspen St19150YesB
4130-42 Aspen St19300YesB
4144 Aspen St19202YesF

Recent block activity

  1. 2026-04-21Inspection · 4144 Aspen St
  2. 2025-11-07Transferred · 4125 Aspen St
  3. 2025-06-26Complaint closed · 4102 Aspen St
  4. 2025-05-27Complaint filed · 4102 Aspen St — Vacant Lot
  5. 2025-05-17Violation opened · 4102 Aspen St — PM15-302.4
  6. 2025-05-17Inspection · 4102 Aspen St
  7. 2025-03-12Inspection · 4102 Aspen St
  8. 2025-03-11Violation resolved · 4102 Aspen St — PM15-302.4
  9. 2025-03-11Violation resolved · 4102 Aspen St — PM15-308.1
  10. 2025-03-10Inspection · 4102 Aspen St
  11. 2025-02-24Inspection · 4102 Aspen St
  12. 2025-02-24Complaint closed · 4106 Aspen St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockB0.38
StreetA0.14
ZIP 19104B0.26
Citywide