# James Arena-DeRosa James Arena-DeRosa is a Democratic member of the Massachusetts House for district 8th Middlesex. - Party: Democrat - Seat: Massachusetts House, district 8th Middlesex - Serving since: 2023-01-04 - Current term: MA 2025–26 session - Open States ID: ocd-person/47ffc61b-0cae-4386-ae68-12b20eadd83f Source: https://americaspoliticalpulse.com/p/47ffc61b-0cae-4386-ae68-12b20eadd83f (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 13% of the 32 bills Arena-DeRosa sponsored got out of committee, in the top tenth of the Massachusetts House. ## Ideology (CSIP) CSIP score −0.91 (standard error 0.03), from 430 donors and 133 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 15% of State House Democrats score lower. ## Votes (MA 2025–26 session) 234 roll calls. Attendance 100% (Massachusetts House 97.4%). Party unity 100% (98.5%). 0 votes against the party majority. Key votes: - 2026-07-22 · voted yea · 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 32 bills: 31 reached committee, 4 passed one chamber, 4 passed both, 3 became law. Cosponsored 488. 12.5% of sponsored bills got out of committee (Massachusetts House 4.0%; rank 15 of 147). Recent sponsored bills: - H 5526: An Act authorizing the town of Holliston to establish a means-tested senior citizen property tax exemption for debt exclusion construction projects (in committee, 2026-08-06) https://openstates.org/ma/bills/194th/H5526/ - H 3608: An Act designating a certain bridge in the town of Hopkinton as the Major General Frank D. Merrill memorial bridge (became law, 2026-10-14) https://openstates.org/ma/bills/194th/H3608/ - H 4292: An Act amending the charter of the town of Hopkinton to incorporate appointment powers of the board of library trustees (became law, 2026-03-20) https://openstates.org/ma/bills/194th/H4292/ - H 4293: An Act establishing an economic development special revenue account for the town of Hopkinton (became law, 2026-08-21) https://openstates.org/ma/bills/194th/H4293/ - H 4605: An Act authorizing the town of Millis to establish a means-tested senior citizen property tax exemption for school building construction projects (passed both chambers, 2026-10-05) https://openstates.org/ma/bills/194th/H4605/ - H 4022: Resolve providing for the study and investigation relative to the efficacy of alternative treatments for veterinary medicine (introduced, 2026-03-16) https://openstates.org/ma/bills/194th/H4022/ - H 3943: An Act relative to improving elections (in committee, 2026-03-19) https://openstates.org/ma/bills/194th/H3943/ - H 3965: An Act relative to tax abatement equity (in committee, 2026-03-09) https://openstates.org/ma/bills/194th/H3965/ - HD 4322: An Act to ensure financial viability in the transportation of farm goods (in committee, 2025-07-14) https://openstates.org/ma/bills/194th/HD4322/ - H 4326: An Act to ensure financial viability in the transportation of farm goods (in committee, 2026-01-27) https://openstates.org/ma/bills/194th/H4326/ ## Campaign money (2026 cycle) Itemized receipts $53.2K (State House Democrats median $40.4K). 89% of itemized individual money came from in state. Aggregates only; no individual donors. ## Links - Official site: https://malegislature.gov/Legislators/Profile/JCD1 - Campaign site: https://www.jamesforstaterep.com/personal-backgrund - X: https://x.com/Arena_DeRosa - Facebook: https://www.facebook.com/jamesforstaterep - LinkedIn: https://www.linkedin.com/in/james-arena-derosa-9317904/ Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/47ffc61b-0cae-4386-ae68-12b20eadd83f