I’ve been paranoid about how bad places in SF can be, and have had some issues with mold occasionally. I have a rent controlled apartment I’ve been in for 8 years, but I’ve done the maintenance myself to improve the place and keep health issues down, which largely boils down to making sure surfaces are sealed and cleanable: Paint the bathroom and use a mold killing primer. Refinished hardwood floors. Wash walls with…
https://homeguides.sfgate.com/bleach-thing-clean-mold-off-wa...