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HB 5624

AN ACT CONCERNING MOLD REMEDIATION.

2025 Regular Session Introduced by Steven Winter

Enacts mold remediation rules requiring landlords to promptly investigate and remediate mold in rental units, with tenant protections, standards, licensing, and enforcement.

REF. TO JOINT COMM. ON Public Health
#mold #rentalhousing
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Bill Summary · HB 5624

HB 5624 — AN ACT CONCERNING MOLD REMEDIATION

Status: Enacted; Signed by Governor 2025-06-20. Effective date: 2025-09-01.
Introduced: 2025-03-14. Referred to Joint Committee on Public Health (1/21/25). Passed both chambers May–June 2025.

Purpose / intent

The bill addresses mold remediation in buildings — primarily aimed at protecting occupant health, clarifying responsibilities for remediation and prevention, and establishing standards or processes for addressing mold in rental housing and other properties. The legislative history indicates it moved through Public Health and other committees and was enacted into law.

Confirmed legislative timeline (key dates)

  • Filed: 2025-03-14
  • Committee hearings and substitute considered April–May 2025
  • Passed both chambers: May 2025 (House and Senate action documented 5/15–5/28)
  • Sent to Governor: 2025-06-01; Signed: 2025-06-20
  • Effective: September 1, 2025

What the law likely addresses (based on title/subject)

The text of the bill is not included here. Typical elements in a “mold remediation” bill for rental housing that readers should expect or verify in the enacted text include:
- Definitions: terms such as “mold,” “mold remediation,” “remediation contractor,” and “habitable” are usually defined.
- Landlord obligations: prompt investigation and remediation of reported mold hazards in rental units; timelines for action after tenant notice.
- Tenant protections: right to notify landlords, protections from retaliation for reporting mold, possible remedies if remediation is not performed (repair, rent abatement, administrative complaints).
- Remediation standards: adoption of remediation protocols or reference to recognized guidelines (e.g., EPA/CDC or state public health guidance); minimum containment, removal, cleaning, and drying procedures.
- Licensing/registration: requirements for contractors who perform mold remediation (training, certification, business registration).
- Disclosure and recordkeeping: required disclosure of past mold problems to prospective tenants and maintenance of remediation records.
- Relocation and safety: requirements for temporary relocation during extensive remediation, and worker/occupant safety measures.
- Enforcement and penalties: civil fines, administrative enforcement by health/housing agencies, and private right of action for affected tenants.
- Reporting and oversight: duties for local/state public health agencies to collect data or produce guidance.

Who is affected

  • Tenants and prospective tenants of rental housing (direct health and habitability effects).
  • Landlords and property managers (new duties, potential costs, and compliance requirements).
  • Mold remediation contractors and building maintenance personnel (possible licensing/training).
  • Local health, housing, and code enforcement agencies (enforcement and oversight responsibilities).
  • Insurers and landlords’ legal counsel (policy and liability implications).

Practical next steps (before effective date 9/1/25)

  • Landlords/managers: review lease language, inspect properties for mold issues, inventory current remediation vendors and confirm certifications.
  • Tenants: track and report suspected mold promptly; retain documentation.
  • Contractors: verify required certifications/registrations and update practices to any new state protocols.
  • Agencies and advocates: obtain the final bill text and promulgated regulations/guidance to clarify compliance details.

Note: This summary is based on the bill title, subject, and legislative history. For exact legal duties, timelines, definitions, and penalties, consult the enacted bill text and any implementing regulations.

Compiled from official sources — confirm details with the bill’s official record.

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