Block Report

4100 Block of N 9th St

32 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 32 properties on the 4100 Block of N 9th St.

About this block

The 4100 block of N 9Th St contains 32 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1925 to 1925. There are 7 open code violations across the block. The block has seen 29 ownership transfers in the last five years. 32 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 9% of its parcels.

All properties on this block (32)

AddressYearOpen violOwner-occGrade
4101 N 9th St19250YesA
4103 N 9th St19250YesB
4105 N 9th St19250YesB
4107 N 9th St19250YesA
4109 N 9th St19250YesA
4111 N 9th St19250YesA
4113 N 9th St19250YesA
4115 N 9th St19250YesA
4117 N 9th St19250YesA
4119 N 9th St19250YesB
Show all 32 properties
AddressYearOpen violOwner-occGrade
4121 N 9th St19250YesB
4123 N 9th St19250YesA
4125 N 9th St19250YesA
4127 N 9th St19250YesA
4129 N 9th St19250YesA
4131 N 9th St19250YesA
4133 N 9th St19250YesA
4135 N 9th St19250YesA
4137 N 9th St19250YesA
4139 N 9th St19250YesB
4141 N 9th St19250YesB
4143 N 9th St19250YesA
4145 N 9th St19257YesC
4147 N 9th St19250YesB
4149 N 9th St19250YesA
4151 N 9th St19250YesA
4153 N 9th St19250YesA
4155 N 9th St19250YesA
4157 N 9th St19250YesB
4159 N 9th St19250YesA
4161 N 9th St19250YesA
4163 N 9th St19250YesB

Recent block activity

  1. 2026-11-26License expired · 4163 N 9th St
  2. 2026-08-14License expired · 4147 N 9th St
  3. 2026-06-21Tax delinquency recorded · 4119 N 9th St
  4. 2026-06-21Tax delinquency recorded · 4115 N 9th St
  5. 2026-06-21Tax delinquency recorded · 4139 N 9th St
  6. 2026-06-21Tax delinquency recorded · 4147 N 9th St
  7. 2026-06-21Tax delinquency recorded · 4157 N 9th St
  8. 2026-06-01License expired · 4153 N 9th St
  9. 2026-05-26Complaint filed · 4147 N 9th St — Broken Main Drain/Raw Sewage Within The Property
  10. 2026-03-26License issued · 4163 N 9th St
  11. 2026-03-05Inspection · 4147 N 9th St
  12. 2026-03-01Tax delinquency recorded · 4139 N 9th St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.22
StreetA0.17
ZIP 19140B0.27
Citywide