Block Report

6400 Block of Keystone St

14 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 14 properties on the 6400 Block of Keystone St.

About this block

The 6400 block of Keystone St contains 15 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1960 to 1968. There are currently no open code violations on the block. The block has seen 8 ownership transfers in the last five years. 12 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 20% of its parcels.

All properties on this block (15)

AddressYearOpen violOwner-occGrade
6401 Keystone St0YesB
6414-26 Keystone St19680YesA
6428 Keystone St0YesB
6438 Keystone St0YesC
6440 Keystone St19600YesA
6442 Keystone St19600YesA
6444 Keystone St19600YesA
6446 Keystone St19600YesA
6448 Keystone St19600YesA
6450 Keystone St19600YesA
6452 Keystone St19600YesA
6454 Keystone St19600YesA
6456 Keystone St19600YesA
6458 Keystone St19600YesA
6460 Keystone St19600YesB

Recent block activity

  1. 2027-02-28License expired · 6414-26 Keystone St
  2. 2026-06-21Tax delinquency recorded · 6460 Keystone St
  3. 2026-06-21Tax delinquency recorded · 6438 Keystone St
  4. 2026-03-01Tax delinquency recorded · 6460 Keystone St
  5. 2026-03-01Tax delinquency recorded · 6438 Keystone St
  6. 2026-01-13License issued · 6414-26 Keystone St
  7. 2025-10-31Transferred · 6440 Keystone St
  8. 2025-07-09Transferred · 6456 Keystone St
  9. 2025-06-09License expired · 6440 Keystone St
  10. 2024-12-18Transferred · 6440 Keystone St
  11. 2024-12-02Transferred · 6440 Keystone St
  12. 2024-09-23License issued · 6440 Keystone St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.00
StreetA0.25
ZIP 19135A0.12
Citywide