Block Report

4300 Block of J St

38 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 38 properties on the 4300 Block of J St.

About this block

The 4300 block of J St contains 38 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 48 ownership transfers in the last five years. 38 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 8% of its parcels.

All properties on this block (38)

AddressYearOpen violOwner-occGrade
4300 J St19500YesA
4301 J St19500YesA
4302 J St19500YesA
4303 J St19500YesA
4304 J St19500YesA
4305 J St19500YesA
4306 J St19500YesA
4307 J St19500YesA
4308 J St19500YesA
4309 J St19500YesA
Show all 38 properties
AddressYearOpen violOwner-occGrade
4310 J St19500YesA
4311 J St19500YesA
4312 J St19500YesA
4313 J St19500YesA
4314 J St19500YesA
4315 J St19500YesA
4316 J St19500YesA
4317 J St19500YesA
4318 J St19500YesA
4319 J St19500YesA
4320 J St19500YesB
4321 J St19500YesA
4322 J St19500YesA
4323 J St19500YesA
4324 J St19500YesA
4325 J St19500YesA
4326 J St19500YesA
4327 J St19500YesA
4328 J St19500YesA
4329 J St19500YesA
4330 J St19500YesA
4331 J St19500YesA
4332 J St19500YesA
4333 J St19500YesA
4334 J St19500YesA
4335 J St19500YesA
4336 J St19500YesA
4337 J St19500YesA

Recent block activity

  1. 2027-03-14License expired · 4309 J St
  2. 2026-06-21Tax delinquency recorded · 4317 J St
  3. 2026-06-21Tax delinquency recorded · 4320 J St
  4. 2026-05-04Transferred · 4326 J St
  5. 2026-03-19Permit issued · 4337 J St — Addition And/Or Alteration
  6. 2026-03-01Tax delinquency recorded · 4327 J St
  7. 2026-01-25License issued · 4309 J St
  8. 2025-12-15License expired · 4319 J St
  9. 2025-10-17Transferred · 4312 J St
  10. 2025-10-10Transferred · 4312 J St
  11. 2025-10-10Transferred · 4312 J St
  12. 2025-10-09Permit issued · 4317 J St — Addition And/Or Alterations

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.00
StreetA0.01
ZIP 19124A0.17
Citywide