Block Report

500 Block of Armstrong St

4 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 4 properties on the 500 Block of Armstrong St.

About this block

The 500 block of Armstrong St contains 6 properties tracked on KnowMyBlock, with an average grade of B. Construction dates range from 1900 to 2018. There are 1 open code violations across the block. The block has seen 7 ownership transfers in the last five years. 4 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 (6)

AddressYearOpen violOwner-occGrade
501-23 Armstrong St19000YesD
525-47 Armstrong St20150YesA
549 Armstrong St20180YesA
551 Armstrong St19000YesA
553 Armstrong St19001YesB
555 Armstrong St19000YesA

Recent block activity

  1. 2026-06-27License expired · 525-47 Armstrong St
  2. 2026-06-21Tax delinquency recorded · 553 Armstrong St
  3. 2026-06-21Tax delinquency recorded · 501-23 Armstrong St
  4. 2026-03-01Tax delinquency recorded · 551 Armstrong St
  5. 2026-03-01Tax delinquency recorded · 501-23 Armstrong St
  6. 2026-02-25Complaint filed · 525-47 Armstrong St — Property Maintenance Complaint Interior
  7. 2026-02-11Appeal filed · 551 Armstrong St
  8. 2026-01-09Transferred · 551 Armstrong St
  9. 2025-10-07Complaint closed · 501-23 Armstrong St
  10. 2025-10-07Inspection · 501-23 Armstrong St
  11. 2025-10-04Violation resolved · 501-23 Armstrong St — A-301.1/65
  12. 2025-10-04Violation resolved · 501-23 Armstrong St — A-701.1/3

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.25
StreetB0.17
ZIP 19144B0.30
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