Block Report

400 Block of N 20th St

8 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 8 properties on the 400 Block of N 20th St.

About this block

The 400 block of N 20Th St contains 9 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1900 to 1926. There are 1 open code violations across the block. The block has seen 19 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 44% of its parcels.

All properties on this block (9)

AddressYearOpen violOwner-occGrade
407 N 20th St19261YesB
407R N 20th St0YesB
417 N 20th St19000YesA
419 N 20th St19000YesA
421 N 20th St19000YesA
423 N 20th St19000YesA
425 N 20th St19000YesA
427 N 20th St19000YesA
429 N 20th St19000YesA

Recent block activity

  1. 2026-12-19License expired · 407 N 20th St
  2. 2026-06-14License expired · 407 N 20th St
  3. 2026-05-13Inspection · 407 N 20th St
  4. 2026-03-26Transferred · 423 N 20th St
  5. 2026-03-26Transferred · 423 N 20th St
  6. 2026-03-23Transferred · 423 N 20th St
  7. 2026-03-12Transferred · 423 N 20th St
  8. 2025-12-24Violation opened · 407 N 20th St — F-105.6.3
  9. 2025-12-24Inspection · 407 N 20th St
  10. 2025-12-11Complaint filed · 407 N 20th St — Fire Safety Complaint High Rise
  11. 2025-11-14License issued · 407 N 20th St
  12. 2025-07-25Transferred · 421 N 20th St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.12
StreetB0.26
ZIP 19130A0.10
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