Block Report

3900 Block of Folsom St

46 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 46 properties on the 3900 Block of Folsom St.

About this block

The 3900 block of Folsom St contains 46 properties tracked on KnowMyBlock, with an average grade of B. Construction dates range from 1920 to 1925. There are 9 open code violations across the block. The block has seen 62 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 61% of its parcels.

All properties on this block (46)

AddressYearOpen violOwner-occGrade
3900 Folsom St0YesB
3901 Folsom St19257YesC
3902 Folsom St0YesB
3903 Folsom St19250YesA
3904 Folsom St0YesB
3905 Folsom St19250YesA
3906 Folsom St0YesB
3907 Folsom St19250YesC
3908 Folsom St0YesB
3909 Folsom St0YesD
Show all 46 properties

Recent block activity

  1. 2026-06-21Tax delinquency recorded · 3907 Folsom St
  2. 2026-06-21Tax delinquency recorded · 3910 Folsom St
  3. 2026-06-21Tax delinquency recorded · 3931 Folsom St
  4. 2026-06-21Tax delinquency recorded · 3909 Folsom St
  5. 2026-06-21Tax delinquency recorded · 3923 Folsom St
  6. 2026-06-21Tax delinquency recorded · 3915 Folsom St
  7. 2026-04-30Permit issued · 3936 Folsom St — New Construction
  8. 2026-04-30Permit issued · 3937 Folsom St — New Construction
  9. 2026-04-08Transferred · 3918 Folsom St
  10. 2026-04-08Transferred · 3920 Folsom St
  11. 2026-04-08Transferred · 3918 Folsom St
  12. 2026-04-08Transferred · 3930 Folsom St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockB0.20
StreetB0.18
ZIP 19104B0.27
Citywide