Block Report

3900 Block of J St

51 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 51 properties on the 3900 Block of J St.

About this block

The 3900 block of J St contains 51 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1920 to 1930. There are currently no open code violations on the block. The block has seen 43 ownership transfers in the last five years. 51 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 12% of its parcels.

All properties on this block (50)

Address	Year	Owner-occ	Grade
3900 J St	1920	Yes	A
3901 J St	1920	Yes	A
3902 J St	1920	Yes	A
3903 J St	1920	Yes	A
3904 J St	1920	Yes	A
3905 J St	1925	Yes	A
3906 J St	1920	Yes	A
3907 J St	1920	Yes	A
3908 J St	1920	Yes	B
3909 J St	1920	Yes	A

Show all 50 properties

Address	Year	Owner-occ	Grade
3910 J St	1920	Yes	A
3911 J St	1920	Yes	A
3912 J St	1920	Yes	A
3913 J St	1920	Yes	A
3914 J St	1920	Yes	A
3915 J St	1920	Yes	A
3916 J St	1920	Yes	A
3917 J St	1920	Yes	A
3918 J St	1920	Yes	A
3919 J St	1920	Yes	A
3920 J St	1920	Yes	A
3921 J St	1920	Yes	A
3922 J St	1920	Yes	A
3923 J St	1920	Yes	A
3924 J St	1920	Yes	A
3925 J St	1920	Yes	A
3926 J St	1920	Yes	A
3927 J St	1930	Yes	A
3928 J St	1920	Yes	A
3929 J St	1920	Yes	A
3930 J St	1920	Yes	A
3931 J St	1920	Yes	A
3932 J St	1920	Yes	A
3933 J St	1920	Yes	A
3934 J St	1920	Yes	A
3935 J St	1920	Yes	A
3936 J St	1920	Yes	A
3937 J St	1920	Yes	A
3938 J St	1920	Yes	A
3939 J St	1920	Yes	A
3940 J St	1920	Yes	A
3941 J St	1920	Yes	A
3942 J St	1920	Yes	A
3943 J St	1920	Yes	A
3945 J St	1920	Yes	A
3947 J St	1920	Yes	A
3949 J St	1920	Yes	A
3951 J St	1920	Yes	A
3953 J St	1920	Yes	A
3955 J St	1920	Yes	A

Recent block activity

2027-02-28License expired · 3923 J St
2027-01-23License expired · 3914 J St
2026-12-25License expired · 3937 J St
2026-06-21Tax delinquency recorded · 3914 J St
2026-06-21Tax delinquency recorded · 3957 J St
2026-06-21Tax delinquency recorded · 3908 J St
2026-06-21Tax delinquency recorded · 3927 J St
2026-04-04License issued · 3914 J St
2026-03-01Tax delinquency recorded · 3908 J St
2026-03-01Tax delinquency recorded · 3936 J St
2026-02-10License issued · 3923 J St
2025-12-23License issued · 3937 J St

Block health comparison

Scope	Avg grade	Open viol/property
Block	A	0.00
Street	A	0.01
ZIP 19124	A	0.17
Citywide	—	—