Block Report

100 Block of E Ontario 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 100 Block of E Ontario St.

About this block

The 100 block of E Ontario St contains 36 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1930 to 1935. There are 4 open code violations across the block. The block has seen 20 ownership transfers in the last five years. 34 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 14% of its parcels.

All properties on this block (36)

Address	Year	Open viol	Owner-occ	Grade
110 E Ontario St	1930	0	Yes	A
112 E Ontario St	1930	0	Yes	A
114 E Ontario St	1930	0	Yes	A
115 E Ontario St	1930	0	Yes	B
116 E Ontario St	1935	0	Yes	B
117 E Ontario St	1930	0	Yes	B
119 E Ontario St	1930	4	Yes	B
120 E Ontario St	1930	0	Yes	C
121 E Ontario St	1930	0	Yes	A
122 E Ontario St	1930	0	Yes	B

Show all 36 properties

Address	Year	Owner-occ	Grade
123 E Ontario St	1930	Yes	A
124 E Ontario St	1930	Yes	A
125 E Ontario St	1930	Yes	A
126 E Ontario St	1930	Yes	A
127 E Ontario St	1930	Yes	A
128 E Ontario St	1930	Yes	A
129 E Ontario St	1935	Yes	B
130 E Ontario St	1930	Yes	A
131 E Ontario St	1930	Yes	A
132 E Ontario St	1930	Yes	A
134 E Ontario St	—	Yes	C
156 E Ontario St	1930	Yes	A
158 E Ontario St	1930	Yes	B
160 E Ontario St	1930	Yes	A
162 E Ontario St	1930	Yes	A
164 E Ontario St	1930	Yes	A
166 E Ontario St	1930	Yes	A
168 E Ontario St	1930	Yes	B
170 E Ontario St	1930	Yes	A
171 E Ontario St	1930	Yes	B
172 E Ontario St	1930	Yes	A
173 E Ontario St	1930	Yes	A
174 E Ontario St	1930	Yes	A
175 E Ontario St	1930	Yes	B
176 E Ontario St	—	Yes	B
177 E Ontario St	1930	Yes	A

Recent block activity

2027-05-14License expired · 122 E Ontario St
2026-11-16License expired · 131 E Ontario St
2026-06-21Tax delinquency recorded · 129 E Ontario St
2026-06-21Tax delinquency recorded · 120 E Ontario St
2026-06-21Tax delinquency recorded · 122 E Ontario St
2026-06-21Tax delinquency recorded · 117 E Ontario St
2026-06-21Tax delinquency recorded · 134 E Ontario St
2026-06-21Tax delinquency recorded · 175 E Ontario St
2026-06-21Tax delinquency recorded · 168 E Ontario St
2026-06-21Tax delinquency recorded · 158 E Ontario St
2026-06-21Tax delinquency recorded · 176 E Ontario St
2026-06-10License expired · 177 E Ontario St

Block health comparison

Scope	Avg grade	Open viol/property
Block	A	0.11
Street	A	0.19
ZIP 19134	A	0.22
Citywide	—	—