or wholesale business office or store is permanently maintained on the premises; 2. Single-family dwellings ; 3. Churches and parish halls, temples, convents and monasteries; 4. Colleges and schools, public or private, having a curriculum and conditions
Read it in the chapter →How this ordinance defines it
The operative definition is the local one. Codes routinely subdivide a category into tiers — “day care 2, family”, “group home 2” — and attach different permissions to each, so only Petersburg’s own text settles what this covers.