Block Report

1900 Block of S 21st St

50 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 50 properties on the 1900 Block of S 21st St.

About this block

The 1900 block of S 21St St contains 51 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1920 to 1920. There are 3 open code violations across the block. The block has seen 55 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 8% of its parcels.

All properties on this block (50)

Address	Year	Open viol	Owner-occ	Grade
1900 S 21st St	1920	1	Yes	C
1901 S 21st St	1920	0	Yes	A
1902 S 21st St	1920	0	Yes	A
1903 S 21st St	1920	0	Yes	A
1904 S 21st St	1920	0	Yes	A
1905 S 21st St	1920	0	Yes	A
1906 S 21st St	1920	0	Yes	A
1907 S 21st St	1920	0	Yes	A
1908 S 21st St	1920	0	Yes	A
1909 S 21st St	1920	0	Yes	A

Show all 50 properties

Address	Year	Open viol	Owner-occ	Grade
1910 S 21st St	1920	0	Yes	A
1911 S 21st St	1920	0	Yes	A
1912 S 21st St	1920	0	Yes	A
1913 S 21st St	1920	1	Yes	A
1914 S 21st St	1920	0	Yes	A
1915 S 21st St	1920	0	Yes	A
1916 S 21st St	1920	0	Yes	A
1917 S 21st St	1920	0	Yes	A
1918 S 21st St	1920	0	Yes	A
1919 S 21st St	1920	0	Yes	A
1920 S 21st St	1920	0	Yes	A
1921 S 21st St	1920	0	Yes	A
1922 S 21st St	1920	0	Yes	B
1923 S 21st St	1920	0	Yes	A
1924 S 21st St	1920	1	Yes	B
1925 S 21st St	1920	0	Yes	A
1926 S 21st St	1920	0	Yes	A
1927 S 21st St	1920	0	Yes	A
1928 S 21st St	1920	0	Yes	A
1929 S 21st St	1920	0	Yes	A
1930 S 21st St	1920	0	Yes	A
1931 S 21st St	1920	0	Yes	A
1932 S 21st St	1920	0	Yes	A
1933 S 21st St	1920	0	Yes	A
1934 S 21st St	1920	0	Yes	A
1935 S 21st St	1920	0	Yes	A
1936 S 21st St	1920	0	Yes	A
1937 S 21st St	1920	0	Yes	A
1938 S 21st St	1920	0	Yes	A
1939 S 21st St	1920	0	Yes	A
1940 S 21st St	1920	0	Yes	A
1941 S 21st St	1920	0	Yes	A
1942 S 21st St	1920	0	Yes	A
1943 S 21st St	1920	0	Yes	A
1944 S 21st St	1920	0	Yes	A
1945 S 21st St	1920	0	Yes	A
1946 S 21st St	1920	0	Yes	A
1947 S 21st St	1920	0	Yes	A
1948 S 21st St	1920	0	Yes	A
1949-51 S 21st St	1920	0	Yes	B

Recent block activity

2027-05-17License expired · 1901 S 21st St
2027-04-22License expired · 1915 S 21st St
2027-03-04License expired · 1921 S 21st St
2027-02-28License expired · 1918 S 21st St
2027-02-28License expired · 1903 S 21st St
2027-02-26License expired · 1936 S 21st St
2027-01-13License expired · 1939 S 21st St
2026-12-08License expired · 1949-51 S 21st St
2026-12-03License expired · 1950 S 21st St
2026-10-06License expired · 1945 S 21st St
2026-06-21Tax delinquency recorded · 1932 S 21st St
2026-06-16Complaint filed · 1939 S 21st St — Property Maintenance Complaint Interior

Block health comparison

Scope	Avg grade	Open viol/property
Block	A	0.06
Street	A	0.12
ZIP 19145	A	0.04
Citywide	—	—