Block Report

100 Block of S 21st St

16 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 16 properties on the 100 Block of S 21st St.

About this block

The 100 block of S 21St St contains 16 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1875 to 1920. There are 1 open code violations across the block. The block has seen 2 ownership transfers in the last five years. 16 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 19% of its parcels.

All properties on this block (16)

AddressYearOpen violOwner-occGrade
101 S 21st St19200YesA
103 S 21st St19200YesA
105 S 21st St19201YesB
107 S 21st St19200YesA
109 S 21st St19000YesA
109 S 21st St19000YesA
109 S 21st St19000YesA
109 S 21st St19000YesA
109 S 21st St19000YesA
109 S 21st St19000YesA
109 S 21st St19000YesA
109 S 21st St19000YesA
109 S 21st St19000YesA
111 S 21st St19200YesA
113 S 21st St18750YesB
115 S 21st St18850YesA

Recent block activity

  1. 2027-01-29License expired · 109 S 21st St
  2. 2026-08-16License expired · 109 S 21st St
  3. 2026-05-18License issued · 109 S 21st St
  4. 2026-03-01Tax delinquency recorded · 109 S 21st St
  5. 2025-12-10Transferred · 105 S 21st St
  6. 2025-11-14Complaint closed · 103 S 21st St
  7. 2025-11-14Violation resolved · 103 S 21st St — PM15-602.2
  8. 2025-11-14Inspection · 103 S 21st St
  9. 2025-11-05Inspection · 103 S 21st St
  10. 2025-10-17Inspection · 103 S 21st St
  11. 2025-10-17Violation opened · 103 S 21st St — PM15-602.2
  12. 2025-10-10Complaint filed · 103 S 21st St — Residence Without Heat (October 1 - April 15)

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.06
StreetA0.12
ZIP 19103A0.11
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