Block Report

8400 Block of Williams Ave

25 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 25 properties on the 8400 Block of Williams Ave.

About this block

The 8400 block of Williams Ave contains 25 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1950 to 1950. There are currently no open code violations on the block. The block has seen 25 ownership transfers in the last five years. 25 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 12% of its parcels.

All properties on this block (25)

AddressYearOpen violOwner-occGrade
8401 Williams Ave19500YesA
8403 Williams Ave19500YesA
8405 Williams Ave19500YesA
8407 Williams Ave19500YesB
8409 Williams Ave19500YesA
8411 Williams Ave19500YesA
8413 Williams Ave19500YesA
8415 Williams Ave19500YesA
8417 Williams Ave19500YesA
8419 Williams Ave19500YesA
Show all 25 properties
AddressYearOpen violOwner-occGrade
8421 Williams Ave19500YesA
8423 Williams Ave19500YesA
8425 Williams Ave19500YesA
8427 Williams Ave19500YesA
8429 Williams Ave19500YesA
8431 Williams Ave19500YesA
8433 Williams Ave19500YesA
8435 Williams Ave19500YesA
8437 Williams Ave19500YesA
8439 Williams Ave19500YesA
8441 Williams Ave19500YesA
8443 Williams Ave19500YesA
8445 Williams Ave19500YesA
8447 Williams Ave19500YesA
8449 Williams Ave19500YesA

Recent block activity

  1. 2026-06-21Tax delinquency recorded · 8407 Williams Ave
  2. 2026-06-21Tax delinquency recorded · 8423 Williams Ave
  3. 2026-04-28Transferred · 8441 Williams Ave
  4. 2026-04-07Transferred · 8435 Williams Ave
  5. 2026-04-07Transferred · 8435 Williams Ave
  6. 2026-04-07Transferred · 8435 Williams Ave
  7. 2026-04-01Transferred · 8435 Williams Ave
  8. 2026-03-01Tax delinquency recorded · 8441 Williams Ave
  9. 2026-03-01Tax delinquency recorded · 8407 Williams Ave
  10. 2026-01-12Transferred · 8447 Williams Ave
  11. 2025-11-21Transferred · 8413 Williams Ave
  12. 2025-06-18Transferred · 8413 Williams Ave

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.00
StreetA0.12
ZIP 19150A0.10
Citywide——