Which was something like the entirety of a half of a city block mostly centered around urban farms
As for how safe it was - it was a lawless zone that gave safe harbor to crimes (including murder) and weapon stashes used by BLM/antifa affiliated rioters to attack the nearby police precinct. Here are some sources:
https://nypost.com/2020/06/20/my-terrifying-5-day-stay-insid...
https://www.king5.com/article/news/local/father-of-man-kille...
https://dailycaller.com/2020/09/02/seattle-police-protest-we...
https://www.seattletimes.com/seattle-news/seattle-police-inv...