Block Report

4100 Block of N Delaware Ave

3 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 3 properties on the 4100 Block of N Delaware Ave.

About this block

The 4100 block of N Delaware Ave contains 3 properties tracked on KnowMyBlock, with an average grade of C. Construction dates range from 1903 to 1955. There are currently no open code violations on the block. 2 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 100% of its parcels.

All properties on this block (3)

AddressYearOpen violOwner-occGrade
4101 N Delaware Ave19030YesD
4150 N Delaware Ave0YesB
4150 N Delaware Ave19550YesB

Recent block activity

  1. 2026-06-21Tax delinquency recorded · 4150 N Delaware Ave
  2. 2026-06-21Tax delinquency recorded · 4101 N Delaware Ave
  3. 2026-03-25Transferred · 4101 N Delaware Ave
  4. 2026-03-24Transferred · 4101 N Delaware Ave
  5. 2026-03-24Transferred · 4101 N Delaware Ave
  6. 2026-03-24Transferred · 4101 N Delaware Ave
  7. 2025-01-21Complaint closed · 4101 N Delaware Ave
  8. 2024-11-25Complaint filed · 4101 N Delaware Ave — Work Underway Without Permits

Block health comparison

ScopeAvg gradeOpen viol/property
BlockC0.00
StreetC1.32
ZIP 19137A0.12
Citywide