Block Report

100 Block of Alter St

20 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 20 properties on the 100 Block of Alter St.

About this block

The 100 block of Alter St contains 20 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1925 to 2017. There are currently no open code violations on the block. The block has seen 33 ownership transfers in the last five years. 8 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 (20)

AddressYearOpen violOwner-occGrade
101 Alter St20040YesA
103 Alter St20170YesA
105 Alter St20170YesA
107 Alter St20170YesA
108 Alter St19250YesA
110 Alter St19250YesA
112 Alter St19250YesA
114 Alter St19250YesA
116 Alter St19250YesA
118 Alter St19250YesA
120 Alter St19250YesA
122 Alter St19250YesA
124 Alter St20070YesA
126 Alter St20060YesA
128 Alter St20050YesA
130 Alter St20050YesA
132 Alter St20060YesA
134 Alter St20140YesA
136 Alter St20140YesA
138 Alter St20140YesA

Recent block activity

  1. 2027-03-14License expired · 136 Alter St
  2. 2026-12-13License expired · 114 Alter St
  3. 2026-04-06Transferred · 103 Alter St
  4. 2026-03-27Transferred · 103 Alter St
  5. 2026-03-25License issued · 136 Alter St
  6. 2025-12-15License issued · 114 Alter St
  7. 2025-12-05Transferred · 105 Alter St
  8. 2025-11-26Transferred · 105 Alter St
  9. 2025-11-10Transferred · 105 Alter St
  10. 2024-12-16Complaint closed · 107 Alter St
  11. 2024-11-07Transferred · 116 Alter St
  12. 2024-11-01Transferred · 116 Alter St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.00
StreetA0.17
ZIP 19147A0.06
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