Block Report

1900 Block of S 20th St

26 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 26 properties on the 1900 Block of S 20th St.

About this block

The 1900 block of S 20Th St contains 30 properties tracked on KnowMyBlock, with an average grade of B. Construction dates range from 1920 to 1930. There are 27 open code violations across the block. The block has seen 50 ownership transfers in the last five years. 29 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 (30)

AddressYearOpen violOwner-occGrade
1900-10 S 20th St19200YesB
1901 S 20th St19200YesA
1903 S 20th St19200YesA
1905 S 20th St19200YesA
1907 S 20th St19200YesA
1909 S 20th St19200YesA
1911 S 20th St19200YesA
1912 S 20th St19200YesA
1913 S 20th St19200YesA
1914 S 20th St19200YesA
Show all 30 properties
AddressYearOpen violOwner-occGrade
1915 S 20th St19200YesB
1916 S 20th St19201YesD
1917 S 20th St19200YesB
1918 S 20th St19200YesA
1919 S 20th St19200YesA
1920-26 S 20th St017YesD
1921 S 20th St19200YesA
1923 S 20th St19200YesA
1925 S 20th St19201YesB
1927 S 20th St19200YesB
1928-30 S 20th St19207YesD
1929 S 20th St19200YesA
1931 S 20th St19200YesA
1932-34 S 20th St19300YesB
1933 S 20th St19200YesA
1935 S 20th St19200YesA
1936 S 20th St19200YesA
1937 S 20th St19200YesA
1939 S 20th St19200YesA
1941 S 20th St19201YesB

Recent block activity

  1. 2027-04-30License expired · 1900-10 S 20th St
  2. 2026-11-20License expired · 1913 S 20th St
  3. 2026-06-30License expired · 1914 S 20th St
  4. 2026-06-21Tax delinquency recorded · 1917 S 20th St
  5. 2026-05-31Complaint filed · 1925 S 20th St — Property Maintenance Complaint Exterior
  6. 2026-05-31Complaint filed · 1925 S 20th St — Property Maintenance Complaint Exterior
  7. 2026-05-31Complaint filed · 1925 S 20th St — Property Maintenance Complaint Exterior
  8. 2026-04-13License issued · 1900-10 S 20th St
  9. 2026-03-24Transferred · 1937 S 20th St
  10. 2026-01-14License expired · 1925 S 20th St
  11. 2025-12-08Complaint closed · 1916 S 20th St
  12. 2025-12-08Violation resolved · 1916 S 20th St — PM15-304.1(H)

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.12
StreetA0.14
ZIP 19145A0.04
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