If you're like me and don't want sanctuary hills to look like a post apocolyptic total piece of crap, I made this list of mods to help.
This is a list of mods to help with both improving the look of sanctuary hills, and helping to further better the building in Fallout 4. Enjoy :D --Did I miss a good one? Post it in the comments--

http://www.nexusmods.com/fallout4/mods/1875/? - Pre-Apocalyptic Walls for sanctuary
http://www.nexusmods.com/fallout4/mods/2063/? - No Vines
http://www.nexusmods.com/fallout4/mods/1890/? - No dead leaves in Sanctuary
http://www.nexusmods.com/fallout4/mods/1351/? - Pre-War Retextures
http://www.nexusmods.com/fallout4/mods/2174/? - Shack Floors Re-Done 4K
http://www.nexusmods.com/fallout4/mods/1843/? - Pre-Apocalyptic roads and sidewalks for sanctuary
http://www.nexusmods.com/fallout4/mods/1478/? - Homemaker - Expanded Settlements
http://www.nexusmods.com/fallout4/mods/1490/? - Working Food Planters
http://www.nexusmods.com/fallout4/mods/1062/? - Settlements Expanded
http://www.nexusmods.com/fallout4/mods/1591/? - Infinite crafting items
http://www.nexusmods.com/fallout4/mods/1145/? - Settlement Supplies Expanded (SSEx)
http://www.nexusmods.com/fallout4/mods/1050/? - Create a New Settlement Anywhere