This bill requires that a complaint for nonsurface mold in a tenant-occupied dwelling unit be investigated within 90 days of the complaint. The bill requires that if the investigation finds an unhealthy level of nonsurface mold, remediation efforts must be initiated by the landlord within 5 business days of the investigation. The bill requires a local health officer to investigate a dwelling unit to determine if all surface mold has been remediated. Finally, the bill provides that a tenant may file a complaint under the implied warranty and covenant of habitability laws if the landlord fails to remediate the nonsurface mold within 60 days of the report.