Photo of Mark Montigny
D Massachusetts Senate · District Second Bristol and Plymouth On the 2026 ballot

Sen. Mark Montigny

Compare
Total votes
1,655
all sessions
Attendance
100%
of floor votes
Near the chamber average
With party
96%
of cast votes
Among the lowest in the chamber
Bipartisan score
2%
crosses aisle rarely
Higher than 97% of chamber peers
Sponsored
803
bills & resolutions
Near the chamber average
Committees
5
assignments
803 bills and resolutions

Sponsored bills

Total
803
Primary
370
Co-sponsor
433
This page
803
matching current filters
Primary S 264
Passed · Massachusetts Senate · Lead sponsor
An Act establishing protections for consumers interacting with artificial intelligence chatbots

By Mr. Montigny, a petition (accompanied by bill, Senate, No. 264) of Mark C. Montigny for legislation to protect consumers interacting with artificial intelligence chatbots. Consumer Protection and Professional Licensure.

Passed Dec 18, 2025 0 co-sponsors
Primary S 263
Passed · Massachusetts Senate · Lead sponsor
An Act to protect consumers from contributing to inhumane animal testing for cosmetics

By Mr. Montigny, a petition (accompanied by bill, Senate, No. 263) of Mark C. Montigny, Michael O. Moore, James K. Hawkins, James B. Eldridge and other members of the General Court for legislation to protect consumers from contributing to inhumane animal testing for cosmetics. Consumer Protection and Professional Licensure.

Passed Dec 18, 2025 0 co-sponsors
Co-sponsor S 2289
Passed · Massachusetts Senate · Co-sponsor
An Act to expand the low income home energy assistance program

Maddy summarySD 2049 expands Massachusetts' low-income home energy assistance program to include cooling support. It provides up to $500 per household for air conditioners, ceiling fans, or box fans, plus electric bill assistance during hot weather, targeting households earning under 60% of state median income. The bill requires 10% of annual LIHEAP funds to support this program, prioritizing underserved communities based on income, housing conditions, and climate vulnerability. The Department of Housing must report annually on program participation, equipment distributed, and costs to relevant legislative committees.

Passed Dec 15, 2025 1 co-sponsor
Primary S 2701
Passed · Massachusetts Senate · Lead sponsor
An Act to protect assisted living residents from unfair and deceptive billing practices

By Mr. Montigny, a petition (accompanied by bill, Senate, No. 2701) (subject to Joint Rule 12) of Mark C. Montigny for legislation to protect assisted living residents from unfair and deceptive billing practices. Housing.

Passed Dec 11, 2025 0 co-sponsors
Primary S 1014
Passed · Massachusetts Senate · Lead sponsor
An Act to provide sewer and water rate relief

By Mr. Montigny, a petition (accompanied by bill, Senate, No. 1014) of Mark C. Montigny for legislation to establish a low-income sewer and water assistance program. Housing.

Passed Dec 8, 2025 0 co-sponsors
Showing 81 to 90 of 803 bills
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