Block Report

4200 Block of Neilson St

54 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 54 properties on the 4200 Block of Neilson St.

About this block

The 4200 block of Neilson St contains 54 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1950 to 1950. There are 11 open code violations across the block. The block has seen 78 ownership transfers in the last five years. 54 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 6% of its parcels.

All properties on this block (50)

AddressYearOpen violOwner-occGrade
4214 Neilson St19500YesA
4215 Neilson St19500YesA
4216 Neilson St19500YesA
4217 Neilson St19500YesA
4218 Neilson St19500YesA
4219 Neilson St19500YesA
4220 Neilson St19500YesA
4221 Neilson St19500YesA
4222 Neilson St19500YesA
4223 Neilson St19500YesA
Show all 50 properties

Recent block activity

  1. 2027-03-24License expired · 4246 Neilson St
  2. 2027-02-28License expired · 4239 Neilson St
  3. 2027-02-14License expired · 4250 Neilson St
  4. 2026-12-07License expired · 4230 Neilson St
  5. 2026-10-02License expired · 4215 Neilson St
  6. 2026-06-21Tax delinquency recorded · 4264 Neilson St
  7. 2026-06-21Tax delinquency recorded · 4237 Neilson St
  8. 2026-06-21Tax delinquency recorded · 4248 Neilson St
  9. 2026-06-21Tax delinquency recorded · 4262 Neilson St
  10. 2026-06-21Tax delinquency recorded · 4223 Neilson St
  11. 2026-06-21Tax delinquency recorded · 4263 Neilson St
  12. 2026-05-04Transferred · 4241 Neilson St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.20
StreetA0.13
ZIP 19124A0.18
Citywide