Block Report

4100 Block of Welsh Rd

20 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 20 properties on the 4100 Block of Welsh Rd.

About this block

The 4100 block of Welsh Rd contains 21 properties tracked on KnowMyBlock, with an average grade of B. Construction dates range from 1945 to 1945. There are 10 open code violations across the block. The block has seen 11 ownership transfers in the last five years. 14 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 14% of its parcels.

All properties on this block (21)

AddressYearOpen violOwner-occGrade
4103 Welsh Rd19450YesA
4103 Welsh Rd0YesA
4105 Welsh Rd19450YesA
4107 Welsh Rd0YesD
4109 Welsh Rd19450YesA
4111 Welsh Rd19450YesA
4113 Welsh Rd19451YesB
4115 Welsh Rd19450YesA
4116 Welsh Rd6YesF
4117-19 Welsh Rd19450YesA
Show all 21 properties
AddressYearOpen violOwner-occGrade
4120 Welsh Rd19450YesB
4122 Welsh Rd19450YesA
4124 Welsh Rd19450YesA
4126 Welsh Rd19450YesA
4128 Welsh Rd0YesA
4130 Welsh Rd19450YesA
4132 Welsh Rd19450YesA
4134 Welsh Rd19450YesA
4136 Welsh Rd2YesC
4139 Welsh Rd1YesB
4189 Welsh Rd0YesB

Recent block activity

  1. 2027-02-28License expired · 4105 Welsh Rd
  2. 2027-01-19License expired · 4103 Welsh Rd
  3. 2027-01-02License expired · 4139 Welsh Rd
  4. 2026-06-21Tax delinquency recorded · 4116 Welsh Rd
  5. 2026-06-21Tax delinquency recorded · 4107 Welsh Rd
  6. 2026-06-21Tax delinquency recorded · 4122 Welsh Rd
  7. 2026-06-07Complaint filed · 4136 Welsh Rd — Encroaching Trees
  8. 2026-06-07Complaint filed · 4136 Welsh Rd — Encroaching Trees
  9. 2026-06-07Complaint filed · 4136 Welsh Rd — Vacant Lot
  10. 2026-06-07Complaint filed · 4136 Welsh Rd — Vacant Lot
  11. 2026-05-16License expired · 4115 Welsh Rd
  12. 2026-05-07Inspection · 4116 Welsh Rd

Block health comparison

ScopeAvg gradeOpen viol/property
BlockB0.50
StreetA0.10
ZIP 19136A0.10
Citywide