Addresses on 21st Ave in Saint Petersburg Florida
- 17 21st St
- 19 21st St
- 32 21st St
- 101 21st Ave
- 101 21st Ave
- 105 21st Ave
- 105 21st Ave
- 106 21st Ave
- 106 21st Ave
- 110 21st Ave
- 110 21st St
- 112 21st St
- 113 21st Ave
- 114 21st St
- 115 21st Ave
- 115 21st Ave
- 116 21st Ave
- 116 21st Ave
- 118 21st Ave
- 119 21st Ave
- 120 21st Ave
- 125 21st Ave
- 125 21st Ave
- 125 21st Ave
- 126 21st Ave
- 126 21st Ave
- 126 21st Ave
- 128 21st Ave
- 129 21st Ave
- 132 21st Ave
- 134 21st Ave
- 135 21st Ave
- 135 21st Ave
- 135 21st Ave
- 136 21st Ave
- 139 21st Ave
- 140 21st Ave
- 140 21st Ave
- 145 21st Ave
- 145 21st Ave
- 145 21st Ave
- 146 21st Ave
- 147 21st Ave
- 150 21st Ave
- 151 21st Ave
- 152 21st Ave
- 155 21st Ave
- 155 21st Ave
- 155 21st Ave
- 156 21st Ave
- 156 21st Ave
- 158 21st Ave
- 160 21st Ave
- 161 21st Ave
- 161 21st Ave
- 165 21st Ave
- 165 21st Ave
- 166 21st Ave
- 166 21st Ave
- 166 21st Ave
- 175 21st Ave
- 175 21st Ave
- 176 21st Ave
- 176 21st Ave
- 180 21st Ave
- 185 21st Ave
- 190 21st Ave
- 195 21st Ave
- 200 21st Ave
- 200 21st Ave
- 201 21st Ave
- 204 21st Ave
- 205 21st Ave
- 205 21st Ave
- 211 21st Ave
- 215 21st Ave
- 215 21st Ave
- 216 21st Ave
- 216 21st Ave
- 218 21st Ave
- 220 21st Ave
- 221 21st Ave
- 221 21st Ave
- 225 21st Ave
- 226 21st Ave
- 226 21st Ave
- 226 1/2 21st Ave
- 229 21st Ave
- 229 21st Ave
- 230 21st St
- 234 21st Ave
- 234 21st Ave
- 235 21st Ave
- 235 21st Ave
- 235 21st Ave
- 235 21st Ave
- 236 21st Ave
- 236 21st Ave
- 241 21st Ave
- 243 21st Ave
- 244 21st Ave
- 244 21st Ave