Block Report

400 Block of N Simpson St

36 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 36 properties on the 400 Block of N Simpson St.

About this block

The 400 block of N Simpson St contains 38 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1915 to 2024. There are 2 open code violations across the block. The block has seen 54 ownership transfers in the last five years. 36 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 13% of its parcels.

All properties on this block (38)

Address	Year	Owner-occ	Grade
401 N Simpson St	1925	Yes	B
403 N Simpson St	2024	Yes	A
405 N Simpson St	2024	Yes	A
407 N Simpson St	1925	Yes	A
409 N Simpson St	1925	Yes	A
410 N Simpson St	1925	Yes	A
411 N Simpson St	1925	Yes	A
412 N Simpson St	1925	Yes	A
413 N Simpson St	1925	Yes	A
414 N Simpson St	1925	Yes	A

Show all 38 properties

Address	Year	Open viol	Owner-occ	Grade
415 N Simpson St	1925	0	Yes	A
416 N Simpson St	1925	0	Yes	A
417 N Simpson St	1925	0	Yes	A
418 N Simpson St	1925	0	Yes	A
419-21 N Simpson St	1925	0	Yes	A
420 N Simpson St	1925	0	Yes	A
422-24 N Simpson St	1925	0	Yes	A
423 N Simpson St	1925	0	Yes	A
425 N Simpson St	1925	0	Yes	A
426 N Simpson St	1925	0	Yes	A
427 N Simpson St	1925	0	Yes	B
428 N Simpson St	1925	0	Yes	A
429 N Simpson St	1925	0	Yes	A
430 N Simpson St	1925	0	Yes	A
431 N Simpson St	1915	0	Yes	A
432 N Simpson St	1925	0	Yes	A
433 N Simpson St	1925	0	Yes	A
434 N Simpson St	1925	0	Yes	A
435 N Simpson St	1925	0	Yes	B
436 N Simpson St	1925	0	Yes	A
437 N Simpson St	1925	0	Yes	A
438 N Simpson St	1925	0	Yes	A
439 N Simpson St	1925	1	Yes	D
440 N Simpson St	1920	0	Yes	B
441 N Simpson St	1925	0	Yes	A
442 N Simpson St	1925	1	Yes	C
444 N Simpson St	1925	0	Yes	A
446 N Simpson St	1925	0	Yes	A

Recent block activity

2027-02-28License expired · 426 N Simpson St
2027-02-28License expired · 425 N Simpson St
2027-02-28License expired · 426 N Simpson St
2027-02-28License expired · 431 N Simpson St
2026-10-21License expired · 435 N Simpson St
2026-08-10License expired · 429 N Simpson St
2026-06-21Tax delinquency recorded · 439 N Simpson St
2026-06-21Tax delinquency recorded · 442 N Simpson St
2026-06-21Tax delinquency recorded · 440 N Simpson St
2026-06-21License expired · 412 N Simpson St
2026-06-05License expired · 419-21 N Simpson St
2026-06-04License expired · 403 N Simpson St

Block health comparison

Scope	Avg grade	Open viol/property
Block	A	0.06
Street	A	0.05
ZIP 19151	A	0.16
Citywide	—	—