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Rep. Mueller backs paired bills to require notice and streamline remediation after chemical irritants used inside homes

Minnesota House of Representatives · April 21, 2026

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Summary

Two House measures advanced aimed at helping homeowners after law enforcement deploys chemical irritants indoors: HF 3782 would require notice and a DPS-developed form listing chemicals and remediation guidance; HF 4133 bars certain insurance exclusions and lets insurers seek reimbursement from cities. Both passed the House as amended.

The Minnesota House on April 20 passed two related bills intended to help homeowners after law enforcement deploys chemical irritants inside buildings.

Rep. Mueller, the author who introduced HF 3782, described the bills as a response to the Hortman family's experience when chemical irritants were used in their home and remediation took months. Mueller told colleagues the family "couldn't be lived in, sold, or even accessed without exposure risks" and said tests and contractor assessments were delayed because the family could not get clear information on which chemicals had been used. Mueller said the bill would require an officer who deployed a chemical irritant inside a building to provide notice that an irritant was used and would direct the Department of Public Safety to develop a standard form indicating that specialized cleanup may be appropriate and how to get information about the specific substances used.

"This will aid the contractors in determining what type of remediation is necessary and help minimize the delays due to testing that the Hortman family experienced," Mueller said. Mueller recounted that remediation did not begin "until 7 months after the incident" and that the family had to hire an independent industrial hygienist after an insurer's initial testing was inadequate.

Representative Moller, sponsor of HF 4133, told the House HF 4133 complements HF 3782 by adjusting homeowners-insurance rules to prevent insurers from excluding coverage for innocent third parties in these cases and by permitting insurers who pay remediation to seek reimbursement from the city that caused the damage. Moller said the measure "does not alter the city's duty to pay for remediation" but streamlines the homeowner's path to a single claims process and preserves a homeowner's right to choose remediation contractors and industrial hygienists.

Lawmakers debated and adopted technical amendments offered from the floor to align language with the other body and stakeholder input. The amendment to HF 3782 (A2) was described on the floor as a technical change; HF 3782 passed as amended by a recorded vote of 129-5. HF 4133’s amendment (A5) was also adopted and the bill passed as amended on a recorded vote of 131-3.

Supporters emphasized the bills’ practical effect on families who must quickly identify the right decontamination steps. Rep. Novotny said the measures "should not have had to ask these questions" and urged a green vote. Several speakers thanked the Hortman family and said the bills reflect work with contractors, insurers and the Department of Public Safety.

The measures do not themselves impose a specific remediation standard in statute; instead they require notification and a standard DPS form and remove a barrier to insurance coverage so remediation decisions can proceed faster. Advocates on the floor said the combination of clearer information and insurer obligations will reduce months-long delays. Opponents did not identify significant floor opposition when the bills were passed.

The House gave HF 3782 and HF 4133 final passage and agreed to their titles; both measures now proceed to the Senate (or to reconciliation if the Senate has already amended the companion vehicles).