# Mike Chaisson

Mike Chaisson is a Republican member of the Massachusetts House for district 1st Bristol.

- Party: Republican
- Seat: Massachusetts House, district 1st Bristol
- Serving since: 2025-01-01
- Current term: MA 2025–26 session
- Open States ID: ocd-person/0a74c581-eb5c-4935-b5c3-f4a77e6dcd31

Source: https://americaspoliticalpulse.com/p/0a74c581-eb5c-4935-b5c3-f4a77e6dcd31 (America’s Political Pulse, Polarization Research Lab), data through 2026-10-27. Data under CC BY 4.0. Cite as: Westwood, Sean J., and Yphtach Lelkes. 2024. America's Political Pulse [data set].

## Headline

Chaisson voted against the majority of Massachusetts House Republicans 8 times; party unity 94.4%, in the bottom tenth of the Massachusetts House (average 98.5%).

## Ideology (CSIP)

CSIP score +0.50 (standard error 0.03), from 163 donors and 133 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 75% of State House Republicans score lower.

## Votes (MA 2025–26 session)

234 roll calls. Attendance 100% (Massachusetts House 97.4%). Party unity 94.4% (98.5%). 8 votes against the party majority.

Key votes:

- 2026-07-22 · voted nay · H. 5595 On Engrossment · H 5595 An Act prioritizing patient access to care · pass · https://openstates.org/ma/bills/194th/H5595/
- 2026-07-22 · voted yea · S. 2735 On Enactment Land Taking · S 2735 An Act dissolving the North Carver water district · pass · https://openstates.org/ma/bills/194th/S2735/
- 2026-07-22 · voted yea · H. 5388 On Enactment Land Taking · H 5388 An Act authorizing the transfer of a certain parcel of land in the town of Marion from the Open Space Acquisition Commission to the Select Board · pass · https://openstates.org/ma/bills/194th/H5388/
- 2026-07-15 · voted yea · H. 2250 , changed On Enactment Land Taking · H 2250 An Act dissolving the Whately Water District · pass · https://openstates.org/ma/bills/194th/H2250/
- 2026-07-08 · voted yea · H. 5569 On passing to be engrossed · H 5569 An Act relative to property tax classifications in the city of Watertown for fiscal year 2027 and subsequent fiscal years · pass · https://openstates.org/ma/bills/194th/H5569/
- 2026-07-08 · voted yea · H. 5562 On adoption of consolidated amendment A · H 5562 An Act relative to economic development in the commonwealth · pass · https://openstates.org/ma/bills/194th/H5562/
- 2026-07-01 · voted yea · H. 5555 On Enactment Land Taking · H 5555 An Act making appropriations for the fiscal year 2027 for the maintenance of the departments, boards, commissions, institutions, and certain activities… · pass · https://openstates.org/ma/bills/194th/H5555/
- 2026-07-01 · voted yea · S. 3106 On Engrossment · S 3106 An Act relative to toxic-free medical devices · pass · https://openstates.org/ma/bills/194th/S3106/
- 2026-07-01 · voted yea · H. 5555 On acceptance of conference report · H 5555 An Act making appropriations for the fiscal year 2027 for the maintenance of the departments, boards, commissions, institutions, and certain activities… · pass · https://openstates.org/ma/bills/194th/H5555/
- 2026-06-17 · voted yea · H. 5511 On acceptance of conference report · H 5511 An Act relative to teacher preparation and student literacy · pass · https://openstates.org/ma/bills/194th/H5511/

## Legislation (MA 2025–26 session)

Sponsored 7 bills: 7 reached committee, 0 passed one chamber, 0 passed both, 0 became law. Cosponsored 23. 0.0% of sponsored bills got out of committee (Massachusetts House 4.0%; rank 109 of 147).

Recent sponsored bills:

- H 3457: An Act relative to municipal light plants (in committee, 2026-04-06) https://openstates.org/ma/bills/194th/H3457/
- H 3045: An Act relative to the bundled cell phone taxation (in committee, 2026-02-05) https://openstates.org/ma/bills/194th/H3045/
- H 1605: An Act relative to juror comprehension (in committee, 2026-03-26) https://openstates.org/ma/bills/194th/H1605/
- H 1109: An Act to relative to an underinsurance issue (in committee, 2025-10-14) https://openstates.org/ma/bills/194th/H1109/
- H 2576: An Act to establish a prepaid wireless E911 surcharge (in committee, 2026-04-23) https://openstates.org/ma/bills/194th/H2576/
- H 1606: An Act relative to law enforcement access to prescription monitoring data (in committee, 2026-03-26) https://openstates.org/ma/bills/194th/H1606/
- H 2770: An Act relative to a retirement buyback issue (in committee, 2026-03-30) https://openstates.org/ma/bills/194th/H2770/
- HD 1292: An Act relative to municipal light plants (introduced) https://openstates.org/ma/bills/194th/HD1292/
- HD 1269: An Act relative to juror comprehension (introduced) https://openstates.org/ma/bills/194th/HD1269/
- HD 1264: An Act relative to a retirement buyback issue (introduced) https://openstates.org/ma/bills/194th/HD1264/

## Campaign money (2026 cycle)

Itemized receipts $11.6K (State House Republicans median $33.7K). 100% of itemized individual money came from in state. Aggregates only; no individual donors.

## Links

- Official site: https://malegislature.gov/Legislators/Profile/MSC1
- Facebook: https://www.facebook.com/chaissonforma

Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/0a74c581-eb5c-4935-b5c3-f4a77e6dcd31