Block Report

1800 Block of E Ontario St

46 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 46 properties on the 1800 Block of E Ontario St.

About this block

The 1800 block of E Ontario St contains 46 properties tracked on KnowMyBlock, with an average grade of B. Construction dates range from 1920 to 1950. There are 2 open code violations across the block. The block has seen 32 ownership transfers in the last five years. 39 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 9% of its parcels.

All properties on this block (46)

Address	Year	Owner-occ	Grade
1801 E Ontario St	—	Yes	B
1803 E Ontario St	1920	Yes	A
1804 E Ontario St	—	Yes	C
1805 E Ontario St	1920	Yes	A
1806 E Ontario St	—	Yes	B
1807 E Ontario St	1920	Yes	A
1808 E Ontario St	—	Yes	B
1809 E Ontario St	1920	Yes	A
1810 E Ontario St	1920	Yes	A
1811 E Ontario St	1920	Yes	A

Show all 46 properties

Address	Year	Open viol	Owner-occ	Grade
1812 E Ontario St	1920	0	Yes	A
1813 E Ontario St	1920	0	Yes	A
1814 E Ontario St	1920	0	Yes	A
1815 E Ontario St	1920	0	Yes	A
1816 E Ontario St	1920	1	Yes	C
1817 E Ontario St	1920	0	Yes	A
1818 E Ontario St	1920	0	Yes	A
1819 E Ontario St	1920	0	Yes	A
1820 E Ontario St	1920	0	Yes	B
1822 E Ontario St	1920	0	Yes	C
1823 E Ontario St	1925	0	Yes	B
1824 E Ontario St	—	0	Yes	B
1825 E Ontario St	1920	0	Yes	A
1826 E Ontario St	1935	0	Yes	C
1827 E Ontario St	1950	0	Yes	B
1828 E Ontario St	—	0	Yes	B
1829 E Ontario St	1920	0	Yes	A
1831 E Ontario St	1920	0	Yes	A
1833 E Ontario St	1920	0	Yes	A
1835 E Ontario St	1920	0	Yes	A
1837 E Ontario St	1920	0	Yes	B
1839 E Ontario St	1920	0	Yes	A
1841 E Ontario St	1920	0	Yes	A
1843 E Ontario St	1920	0	Yes	A
1845 E Ontario St	1920	0	Yes	C
1847 E Ontario St	1920	0	Yes	A
1849 E Ontario St	1920	1	Yes	B
1851 E Ontario St	1920	0	Yes	A
1853 E Ontario St	—	0	Yes	C
1855 E Ontario St	1920	0	Yes	A
1856 E Ontario St	1930	0	Yes	B
1857 E Ontario St	1920	0	Yes	A
1859 E Ontario St	1920	0	Yes	A
1861 E Ontario St	1920	0	Yes	C
1863 E Ontario St	1920	0	Yes	A
1865 E Ontario St	1920	0	Yes	B

Recent block activity

2027-06-11License expired · 1865 E Ontario St
2027-04-07License expired · 1823 E Ontario St
2026-06-21Tax delinquency recorded · 1804 E Ontario St
2026-06-21Tax delinquency recorded · 1823 E Ontario St
2026-06-21Tax delinquency recorded · 1861 E Ontario St
2026-06-21Tax delinquency recorded · 1853 E Ontario St
2026-06-21Tax delinquency recorded · 1820 E Ontario St
2026-06-21Tax delinquency recorded · 1845 E Ontario St
2026-06-21Tax delinquency recorded · 1822 E Ontario St
2026-05-11License issued · 1865 E Ontario St
2026-04-30Inspection · 1814 E Ontario St
2026-04-14Complaint filed · 1814 E Ontario St — Property Maintenance Complaint Exterior

Block health comparison

Scope	Avg grade	Open viol/property
Block	B	0.04
Street	A	0.19
ZIP 19134	A	0.22
Citywide	—	—