Block Report

4000 Block of Neilson St

40 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 40 properties on the 4000 Block of Neilson St.

About this block

The 4000 block of Neilson St contains 40 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1925 to 1925. There are 1 open code violations across the block. The block has seen 63 ownership transfers in the last five years. 40 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 10% of its parcels.

All properties on this block (40)

Address	Year	Owner-occ	Grade
4012 Neilson St	1925	Yes	A
4013 Neilson St	1925	Yes	A
4014 Neilson St	1925	Yes	A
4015 Neilson St	1925	Yes	A
4016 Neilson St	1925	Yes	A
4017 Neilson St	1925	Yes	A
4018 Neilson St	1925	Yes	B
4019 Neilson St	1925	Yes	A
4020 Neilson St	1925	Yes	A
4021 Neilson St	1925	Yes	A

Show all 40 properties

Address	Year	Open viol	Owner-occ	Grade
4022 Neilson St	1925	0	Yes	A
4023 Neilson St	1925	0	Yes	A
4024 Neilson St	1925	0	Yes	A
4025 Neilson St	1925	0	Yes	A
4026 Neilson St	1925	0	Yes	A
4027 Neilson St	1925	0	Yes	A
4028 Neilson St	1925	0	Yes	A
4029 Neilson St	1925	0	Yes	A
4030 Neilson St	1925	0	Yes	A
4031 Neilson St	1925	0	Yes	A
4032 Neilson St	1925	0	Yes	A
4033 Neilson St	1925	0	Yes	A
4034 Neilson St	1925	0	Yes	A
4035 Neilson St	1925	0	Yes	A
4036 Neilson St	1925	0	Yes	A
4037 Neilson St	1925	0	Yes	A
4038 Neilson St	1925	0	Yes	A
4039 Neilson St	1925	0	Yes	A
4040 Neilson St	1925	1	Yes	A
4041 Neilson St	1925	0	Yes	A
4042 Neilson St	1925	0	Yes	A
4043 Neilson St	1925	0	Yes	B
4044 Neilson St	1925	0	Yes	A
4045 Neilson St	1925	0	Yes	A
4046 Neilson St	1925	0	Yes	A
4047 Neilson St	1925	0	Yes	A
4048 Neilson St	1925	0	Yes	A
4049 Neilson St	1925	0	Yes	A
4050 Neilson St	1925	0	Yes	A
4051 Neilson St	1925	0	Yes	A

Recent block activity

2027-03-12License expired · 4039 Neilson St
2026-10-02License expired · 4043 Neilson St
2026-08-19License expired · 4018 Neilson St
2026-06-25License expired · 4045 Neilson St
2026-06-21Tax delinquency recorded · 4018 Neilson St
2026-06-21Tax delinquency recorded · 4043 Neilson St
2026-06-21Tax delinquency recorded · 4016 Neilson St
2026-06-21Tax delinquency recorded · 4034 Neilson St
2026-06-21Tax delinquency recorded · 4017 Neilson St
2026-05-07Inspection · 4021 Neilson St
2026-04-30Inspection · 4039 Neilson St
2026-04-30Inspection · 4021 Neilson St

Block health comparison

Scope	Avg grade	Open viol/property
Block	A	0.03
Street	A	0.13
ZIP 19124	A	0.17
Citywide	—	—