Block Report

4100 Block of Cottman Ave

8 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 8 properties on the 4100 Block of Cottman Ave.

About this block

The 4100 block of Cottman Ave contains 8 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1936 to 1950. There are currently no open code violations on the block. The block has seen 12 ownership transfers in the last five years. 8 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 38% of its parcels.

All properties on this block (8)

AddressYearOpen violOwner-occGrade
4100 Cottman Ave19500YesA
4102 Cottman Ave19500YesA
4104 Cottman Ave19500YesA
4106 Cottman Ave19500YesC
4108 Cottman Ave19500YesA
4110 Cottman Ave19500YesA
4112 Cottman Ave19500YesA
4130 Cottman Ave19360YesC

Recent block activity

  1. 2027-03-26License expired · 4110 Cottman Ave
  2. 2026-11-02License expired · 4108 Cottman Ave
  3. 2026-06-21Tax delinquency recorded · 4130 Cottman Ave
  4. 2026-06-21Tax delinquency recorded · 4106 Cottman Ave
  5. 2026-06-07License expired · 4102 Cottman Ave
  6. 2026-05-18License issued · 4110 Cottman Ave
  7. 2026-04-28Transferred · 4130 Cottman Ave
  8. 2026-03-01Tax delinquency recorded · 4106 Cottman Ave
  9. 2026-03-01Tax delinquency recorded · 4130 Cottman Ave
  10. 2025-09-19License issued · 4108 Cottman Ave
  11. 2025-07-16Violation resolved · 4102 Cottman Ave — PM15-302.4
  12. 2025-07-16Complaint closed · 4102 Cottman Ave

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.00
StreetA0.24
ZIP 19135A0.11
Citywide——