I used to live in Battlefield and, even though we weren't on the main commuting rotue, our close got peed in regularly. A good technique I discovered was handwriting a sign with your wrong hand saying, "Thank you for not peeing in my close. From, Abbie, aged 8."
Also, two pandemic years were blissly pee-free. I feel kinda guilty selling and moving right as the events/games came back.