Block Report

3900 Block of K 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 3900 Block of K St.

About this block

The 3900 block of K St contains 54 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1925 to 1925. There are 4 open code violations across the block. The block has seen 67 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 9% of its parcels.

All properties on this block (50)

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

Show all 50 properties

Address	Year	Open viol	Owner-occ	Grade
3910 K St	1925	0	Yes	A
3911 K St	1925	0	Yes	A
3912 K St	1925	0	Yes	A
3913 K St	1925	0	Yes	A
3914 K St	1925	0	Yes	A
3915 K St	1925	0	Yes	A
3916 K St	1925	0	Yes	A
3917 K St	1925	0	Yes	A
3918 K St	1925	0	Yes	A
3919 K St	1925	0	Yes	A
3920 K St	1925	0	Yes	A
3921 K St	1925	0	Yes	A
3922 K St	1925	0	Yes	A
3923 K St	1925	0	Yes	A
3924 K St	1925	0	Yes	A
3925 K St	1925	0	Yes	A
3926 K St	1925	0	Yes	A
3927 K St	1925	0	Yes	A
3928 K St	1925	0	Yes	A
3929 K St	1925	0	Yes	A
3930 K St	1925	0	Yes	A
3931 K St	1925	0	Yes	A
3932 K St	1925	0	Yes	B
3933 K St	1925	0	Yes	A
3934 K St	1925	0	Yes	A
3935 K St	1925	0	Yes	A
3936 K St	1925	0	Yes	A
3937 K St	1925	0	Yes	A
3938 K St	1925	0	Yes	A
3939 K St	1925	0	Yes	B
3940 K St	1925	0	Yes	A
3941 K St	1925	4	Yes	B
3942 K St	1925	0	Yes	A
3943 K St	1925	0	Yes	A
3944 K St	1925	0	Yes	A
3945 K St	1925	0	Yes	A
3946 K St	1925	0	Yes	A
3947 K St	1925	0	Yes	A
3948 K St	1925	0	Yes	B
3949 K St	1925	0	Yes	A

Recent block activity

2026-10-30License expired · 3909 K St
2026-07-30License expired · 3921 K St
2026-06-21Tax delinquency recorded · 3939 K St
2026-06-21Tax delinquency recorded · 3908 K St
2026-06-03Complaint filed · 3923 K St — Vacant Property Complaint
2026-05-01Transferred · 3932 K St
2026-04-22Transferred · 3946 K St
2026-04-12License expired · 3927 K St
2026-03-01Tax delinquency recorded · 3905 K St
2026-03-01Tax delinquency recorded · 3939 K St
2026-01-21Violation resolved · 3951 K St — PM-302.10
2026-01-21Complaint closed · 3951 K St

Block health comparison

Scope	Avg grade	Open viol/property
Block	A	0.07
Street	A	0.12
ZIP 19124	A	0.18
Citywide	—	—