Block Report

1900 Block of Rittenhouse Sq

55 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 55 properties on the 1900 Block of Rittenhouse Sq.

About this block

The 1900 block of Rittenhouse Sq contains 57 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1750 to 1900. There are currently no open code violations on the block. The block has seen 10 ownership transfers in the last five years. 57 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
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	C
1900 Rittenhouse Sq	1900	Yes	A

Show all 50 properties

Address	Year	Owner-occ	Grade
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	B
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	B
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	B
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1900 Rittenhouse Sq	1900	Yes	A
1906-08 Rittenhouse Sq	1890	Yes	B
1910 Rittenhouse Sq	1750	Yes	A
1912 Rittenhouse Sq	1750	Yes	A
1914-16 Rittenhouse Sq	1750	Yes	A
1918 Rittenhouse Sq	1750	Yes	A

Recent block activity

2026-06-21Tax delinquency recorded · 1900 Rittenhouse Sq
2026-02-12Complaint closed · 1914-16 Rittenhouse Sq
2026-02-12Complaint closed · 1914-16 Rittenhouse Sq
2026-02-09Complaint filed · 1914-16 Rittenhouse Sq — Building Cert Deficiency
2026-01-21Permit issued · 1912 Rittenhouse Sq — Alterations
2026-01-21Permit issued · 1912 Rittenhouse Sq — Alterations
2025-11-03Transferred · 1900 Rittenhouse Sq
2025-10-08Transferred · 1900 Rittenhouse Sq
2025-09-30Transferred · 1900 Rittenhouse Sq
2025-07-07Transferred · 1926 Rittenhouse Sq
2025-06-18Transferred · 1900 Rittenhouse Sq
2025-06-18Transferred · 1900 Rittenhouse Sq

Block health comparison

Scope	Avg grade	Open viol/property
Block	A	0.00
Street	A	0.02
ZIP 19103	A	0.12
Citywide	—	—