Block Report

100 Block of W Ontario St

34 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 34 properties on the 100 Block of W Ontario St.

About this block

The 100 block of W Ontario St contains 40 properties tracked on KnowMyBlock, with an average grade of B. Construction dates range from 1911 to 1959. There are currently no open code violations on the block. The block has seen 28 ownership transfers in the last five years. 33 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 15% of its parcels.

All properties on this block (40)

Address	Year	Owner-occ	Grade
102 W Ontario St	1935	Yes	A
104 W Ontario St	1935	Yes	A
106 W Ontario St	1935	Yes	B
108 W Ontario St	1935	Yes	B
109 W Ontario St	1950	Yes	B
110 W Ontario St	1935	Yes	A
112 W Ontario St	1959	Yes	A
113-23 W Ontario St	1950	Yes	B
114 W Ontario St	1911	Yes	B
122-36 W Ontario St	1950	Yes	A

Show all 40 properties

Address	Year	Owner-occ	Grade
154 W Ontario St	1935	Yes	B
156 W Ontario St	1935	Yes	A
158 W Ontario St	1935	Yes	B
160 W Ontario St	1935	Yes	A
162 W Ontario St	1935	Yes	A
164 W Ontario St	1935	Yes	A
165-67 W Ontario St	1942	Yes	C
166 W Ontario St	1935	Yes	A
168 W Ontario St	1935	Yes	A
169-73 W Ontario St	1942	Yes	D
170-74 W Ontario St	1935	Yes	B
175 W Ontario St	—	Yes	B
176 W Ontario St	—	Yes	B
177 W Ontario St	1935	Yes	B
178 W Ontario St	—	Yes	B
179 W Ontario St	1935	Yes	A
180 W Ontario St	1935	Yes	B
181 W Ontario St	1935	Yes	B
182 W Ontario St	1935	Yes	A
183 W Ontario St	1935	Yes	B
184 W Ontario St	1935	Yes	A
185 W Ontario St	1935	Yes	A
186 W Ontario St	1935	Yes	A
187 W Ontario St	—	Yes	B
188 W Ontario St	1935	Yes	A
189-93 W Ontario St	1935	Yes	A
190 W Ontario St	1935	Yes	A
192 W Ontario St	—	Yes	B
194 W Ontario St	—	Yes	D
196 W Ontario St	—	Yes	B

Recent block activity

2026-08-25License expired · 104 W Ontario St
2026-06-21Tax delinquency recorded · 165-67 W Ontario St
2026-06-21Tax delinquency recorded · 192 W Ontario St
2026-06-21Tax delinquency recorded · 169-73 W Ontario St
2026-06-21Tax delinquency recorded · 108 W Ontario St
2026-06-21Tax delinquency recorded · 158 W Ontario St
2026-06-21Tax delinquency recorded · 154 W Ontario St
2026-06-21Tax delinquency recorded · 183 W Ontario St
2026-06-21Tax delinquency recorded · 180 W Ontario St
2026-06-21Tax delinquency recorded · 194 W Ontario St
2026-06-21Tax delinquency recorded · 102 W Ontario St
2026-06-21Tax delinquency recorded · 177 W Ontario St

Block health comparison

Scope	Avg grade	Open viol/property
Block	B	0.00
Street	B	0.30
ZIP 19140	B	0.24
Citywide	—	—