Horton's Addition Block 207 HORTON'S ADDITION BLOCK 207.tif HORTON'S ADDITION BLOCK 207 Lot L- Condi permit to alter exist single fam res into duplex; 1572 2nd Ave. Res. 3845 4-27-49 http://apps.sandiego.gov/directories/development-services/pdf/records/subdivision_cards/drawer_1/a_block_200/hortons_addition_block_207.pdf