By the numbers
The mold crisis is not a series of isolated complaints. It is a measurable public-health failure — concentrated in aging housing, accelerated by climate, and worsened by absentee corporate ownership.
Aging stock is the substrate for chronic mold.
Decades after lead paint was banned in 1978.
Studies show poorer maintenance records.
Roughly half borne by public insurance.
Asthma climbs where housing fails
General adult asthma sits around 8%. In mold-ridden, low-income housing, diagnosed rates rise to nearly half of children.
A timeline of inaction
Studies first connecting mold, housing, and health appear in the medical literature.
The federal government bans lead-based paint in residential buildings. Mold receives no comparable action.
A 301-unit complex is declared uninhabitable because of widespread mold; a class action follows on behalf of nearly 1,000 former tenants.
Investigations reveal the housing department had long given passing grades to buildings with toxic mold.
Corporate entities own at least 44% of US rental housing; the share keeps growing.
Mold finally appears on the federal housing inspection checklist — decades after lead.
Climate-fueled flooding accelerates outbreaks in aging coastal-city housing stock.
Who is accountable
Landlords
Corporate owners treat repairs as a cost to minimize. A spray bottle and fresh paint is not remediation. Real abatement means finding the source of the water, relocating tenants, and tearing into the roof and walls.
City government
Code enforcement is understaffed and rarely follows through. A failed inspection means nothing if no one returns to reinspect — and landlords know it.
Federal regulators
Mold only joined the inspection checklist in 2023. Buildings that receive public funding must be held to decent, safe, and sanitary conditions — and that has to be enforced.