Block Report

3100 Block of Diamond St

45 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 45 properties on the 3100 Block of Diamond St.

About this block

The 3100 block of Diamond St contains 45 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1915 to 2026. There are 4 open code violations across the block. The block has seen 57 ownership transfers in the last five years. 40 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 53% of its parcels.

All properties on this block (45)

Address	Year	Owner-occ	Grade
3100 Diamond St	2011	Yes	A
3101 Diamond St	2015	Yes	A
3102 Diamond St	2011	Yes	A
3103 Diamond St	1915	Yes	A
3105 Diamond St	1915	Yes	B
3107 Diamond St	1915	Yes	A
3109 Diamond St	1915	Yes	A
3110 Diamond St	1915	Yes	B
3111 Diamond St	1915	Yes	B
3112 Diamond St	1915	Yes	B

Show all 45 properties

Address	Year	Open viol	Owner-occ	Grade
3113 Diamond St	1915	0	Yes	A
3114 Diamond St	1915	0	Yes	A
3115 Diamond St	1915	0	Yes	A
3116 Diamond St	1915	0	Yes	A
3117 Diamond St	1915	0	Yes	A
3118 Diamond St	1915	0	Yes	A
3119 Diamond St	1915	0	Yes	A
3120 Diamond St	1915	0	Yes	A
3121 Diamond St	1915	0	Yes	A
3122 Diamond St	1915	0	Yes	A
3123 Diamond St	1915	0	Yes	A
3124 Diamond St	1915	0	Yes	B
3125 Diamond St	1915	0	Yes	A
3126 Diamond St	1915	0	Yes	B
3127 Diamond St	1915	0	Yes	B
3128 Diamond St	1915	0	Yes	A
3129 Diamond St	1915	0	Yes	A
3130 Diamond St	1915	0	Yes	A
3131 Diamond St	1915	0	Yes	A
3132 Diamond St	1915	0	Yes	A
3133 Diamond St	1915	0	Yes	A
3134 Diamond St	1915	0	Yes	A
3135 Diamond St	1915	0	Yes	A
3136 Diamond St	1915	0	Yes	A
3137 Diamond St	1915	0	Yes	A
3138 Diamond St	1915	0	Yes	A
3139 Diamond St	1915	0	Yes	A
3140 Diamond St	2026	0	Yes	A
3141 Diamond St	1915	0	Yes	A
3142 Diamond St	1915	2	Yes	C
3143 Diamond St	1915	0	Yes	A
3144 Diamond St	1915	0	Yes	C
3145 Diamond St	1915	0	Yes	A
3146 Diamond St	1915	2	Yes	B
3147 Diamond St	—	0	Yes	B

Recent block activity

2027-05-12License expired · 3140 Diamond St
2027-02-28License expired · 3134 Diamond St
2027-02-28License expired · 3123 Diamond St
2027-02-12License expired · 3145 Diamond St
2026-10-20License expired · 3112 Diamond St
2026-09-28License expired · 3138 Diamond St
2026-08-16License expired · 3111 Diamond St
2026-08-11License expired · 3103 Diamond St
2026-08-11License expired · 3139 Diamond St
2026-08-11License expired · 3120 Diamond St
2026-08-11License expired · 3131 Diamond St
2026-08-11License expired · 3129 Diamond St

Block health comparison

Scope	Avg grade	Open viol/property
Block	A	0.09
Street	B	0.33
ZIP 19121	B	0.25
Citywide	—	—