Nonpartisan · Data from OpenStates / Plural Policy · Massachusetts
Democratic
· State Representative
Simon Cataldo
Represents District 14th Middlesex in the House of Representatives.
Votes with Democrats
100%
on 99 party-line votes · House Democrats median 100%
Cast a vote
99%
Yea or Nay on 261 of 263 roll calls · House median 98%
Their bills that became law
2 of 42
as a primary sponsor, this session · Democrats median 1
Roll calls on record
263
194th General Court
Votes and bills updated Oct 5, 2026 from LegiScan (CC BY 4.0), which republishes the legislature’s own records. Profile details from OpenStates / Plural Policy. Figures cover 194th General Court.
How Simon Cataldo votes
A party-line vote is a roll call where most voting Democrats and most voting Republicans took opposite sides. Absences and not-voting are never counted. Same method as our Congress pages.
Where Simon Cataldo sits in the House
Each dot is one member of the House, placed by how often they voted on the Democratic side of party-line votes. Simon Cataldo is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
0 of 99 party-line votes.
They voted with most Democrats on every party-line vote this session.
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
H5595 · Prioritizing patient access to care
House Enacted – 121 YEAS to 35 NAYS · 2026-07-31 · Passed 119–35
H5500 · Making appropriations for the fiscal year 2027 for the maintenance of the departments, boards, commissions, institutions, and certain activities of the commonwealth, for interest, sinking fund, and serial bond requirements, and for certain permanent improvements
House Amendment 1588 rejected – 25 YEAS to 124 NAYS · 2026-04-27 · Failed 25–118
H4000 · Making appropriations for the fiscal year 2026 for the maintenance of the departments, boards, commissions, institutions, and certain activities of the commonwealth, for interest, sinking fund, and serial bond requirements, and for certain permanent improvements
House Amendment 311 rejected – 30 YEAS to 126 NAYS · 2025-04-29 · Failed 30–126
H5469 · Promoting transparency and public access in state government
House Passed to be engrossed – 125 YEAS to 28 NAYS · 2026-06-03 · Passed 125–28
S2543 · Strengthening health care protections in the Commonwealth
House Amendment 8 rejected – 30 YEAS to 129 NAYS · 2025-07-16 · Failed 30–129
Republicans they vote with most
Share of contested roll calls (the losing side got at least 10%) where both voted and landed on the same side. Unanimous votes are left out, because on those everyone agrees.
Dave VieiraRepublican · District 3rd Barnstable · 92 shared contested votes
15%
Brad JonesRepublican · District 20th Middlesex · 93 shared contested votes
14%
Donald WongRepublican · District 9th Essex · 93 shared contested votes
14%
Their session, month by month
Dark bars are roll calls they were recorded on each month; the red part is the ones without a Yea or Nay (2 in all). Gaps are months the chamber wasn’t voting.
← Massachusetts Delegation
YeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaNayNayYeaYea
Their bills, from filing to law
Bills Simon Cataldo was a primary sponsor of this session. Most bills from either party never leave committee; in Illinois many never get past the Assignments or Rules committee.
Introduced42
Out of committee3
Passed one chamber3
Passed both chambers3
Became law2
Never left committee39
For comparison, the median Democratic member of the House has 1 bills that became law this session.
Designating a certain bridge in the town of Chelmsford as the Ferreira Brothers Bridge
By Representatives Arciero of Westford and Cataldo of Concord, a petition (subject to Joint Rule 12) of James Arciero that a certain bridge on Gorham Street in the town of Chelmsford be designated as the Ferreira brothers bridge. Transportation.
Passed both chambersEnacted and laid before the Governor · 2026-10-01
Relative to Great Brook State Park Trust Fund
For legislation to establish a Great Brook State Park trust fund. Environment and Natural Resources.
Not out of committeeBill reported favorably by committee and referred to the committee on House Ways and Means · 2026-07-31
Relative to meeting human service demand by modernizing incentives for the direct care workforce
Relative to wage rates for human services providers. Labor and Workforce Development.
Not out of committeeReporting date extended to Thursday, December 31, 2026 · 2026-07-09
Establishing a real estate transfer fee upon the transfer of property in the town of Concord
That the town of Concord be authorized to establish a real estate transfer fee upon the transfer of property in said town. Revenue. [Local Approval Received.]
Not out of committeeBill reported favorably by committee and referred to the committee on House Steering, Policy and Scheduling · 2026-07-06
Relative to tax exemptions for contributions to a 401(k) through a sole proprietorship
Relative to tax exemptions for contributions to 401(k)s through sole proprietorships. Revenue.
Not out of committeeAccompanied a study order, see H5313 · 2026-04-21
Relative to licensed electricians employed at regional school districts
Relative to retirement benefits for licensed electricians employed at regional school districts. Public Service.
Not out of committeeAccompanied a study order, see H5356 (under House Rule 27) · 2026-04-13
Relative to ranked choice voting in the town of Concord
Relative to ranked choice voting in the town of Concord. Election Laws. [Local Approval Received.]
Not out of committeeAccompanied a study order, see H5311 (under House Rule 27) · 2026-04-02
Relative to retirement equity for parenting teachers
Relative to creditable service for part-time employment for certain teachers. Public Service.
Not out of committeeAccompanied a study order, see H5312 (under House Rule 27) · 2026-03-30
Regarding district court jurisdiction of threats to use deadly weapons, explosives, chemical or biological agents, or other devices or substances capable of causing death, serious bodily injury or substantial property damage
Relative to district court jurisdiction of certain offenses. The Judiciary.
Not out of committeeAccompanied a study order, see H5281 (under House Rule 27) · 2026-03-26
To adopt the uniform family law arbitration act
Relative to family law arbitration. The Judiciary.
Not out of committeeAccompanied a study order, see H5281 (under House Rule 27) · 2026-03-26
Relative to the town administrator of the town of Carlisle
Relative to the town administrator of the town of Carlisle. Municipalities and Regional Government. [Local Approval Received.]
Not out of committeeAmended by substitution of bill with the same title, see H5308 · 2026-03-25
To improve outdoor lighting, conserve energy, and increase dark-sky visibility
Relative to improving outdoor lighting and increasing dark-sky visibility. Telecommunications, Utilities and Energy.
Not out of committeeBill reported favorably by committee and referred to the committee on House Ways and Means · 2026-03-23
Granting the town of Acton the authority to provide legal voting rights in municipal elections for town residents aged 16 and 17 years old
That the town of Acton be authorized to grant legal voting rights in municipal elections to town residents aged 16 and 17 years old. Election Laws. [Local Approval Received.]
Not out of committeeAccompanied a study order, see H5253 (under House Rule 27) · 2026-03-19
Relative to ranked choice voting in the town of Acton
Relative to ranked choice voting in the town of Acton. Election Laws. [Local Approval Received.]
Not out of committeeAccompanied a study order, see H5253 (under House Rule 27) · 2026-03-19
Authorizing remote participation at town meetings and special town meetings in the Town of Concord
Relative to remote participation at town meetings and special town meetings in the town of Concord. Election Laws. [Local Approval Received.]
Not out of committeeRead second and ordered to a third reading · 2026-03-16
Descriptions are the legislature’s own synopsis. Bill data from LegiScan, CC BY 4.0.
Loading committees…
H5624 · 2026-07-31
Establishing a Medal of Fidelity license plate (House Passed to be engrossed – 156 YEAS to 0 NAYS)
H5627 · 2026-07-31
To improve Massachusetts home care (House Committee of conference report accepted – 153 YEAS to 0 NAYS)
H5631 · 2026-07-31
Mandating access to cancer screenings for firefighters through health care benefits plans or programs provided by the public employer (House Passed to be engrossed – 154 YEAS to 0 NAYS)
S2726 · 2026-07-31
Regarding free expression (House Enacted – 156 YEAS to 1 NAYS)
H5531 · 2026-07-31
Relative to James J. O'Neil Park (House Enacted – 157 YEAS to 0 NAYS)
H5595 · 2026-07-31
Prioritizing patient access to care (House Enacted – 121 YEAS to 35 NAYS)
S2653 · 2026-07-31
Updating the Move Over Law (House Passed to be engrossed – 157 YEAS to 0 NAYS)
H5629 · 2026-07-31
Enhancing child welfare protections (House Committee of conference report accepted – 157 YEAS to 0 NAYS)
S3236 · 2026-07-31
Authorizing the Massachusetts Department of Fish and Game to convey easements over certain parcels of land (House Enacted – 152 YEAS to 0 NAYS)
S3237 · 2026-07-31
Authorizing the town of Bourne to convey a right-of-way and easement (House Enacted – 151 YEAS to 0 NAYS)
H5627 · 2026-07-31
To improve Massachusetts home care (House Enacted – 157 YEAS to 0 NAYS)
S3235 · 2026-07-31
Relative to the Pilgrim Memorial Park in Plymouth (House Enacted – 152 YEAS to 0 NAYS)
H5639 · 2026-07-31
Authorizing the town of Nantucket conservation commission to convey a certain parcel of land situated in the town for purposes of conveyance to the town of Nantucket under the care, custody, management and control of the select board and the town of Nantucket to convey certain land in the town of Nantucket held for open space, passive recreation or conservation purposes to the Nantucket Islands Land Bank for the purposes pursuant to its enabling legislation for open space, conservation and passive recreation purposes (House Enacted – 151 YEAS to 0 NAYS)
S2968 · 2026-07-31
Authorizing the Commonwealth of Massachusetts, acting by and through its Division of Capital Asset Management and Maintenance, to grant permanent easements over certain land in the town of Milton for highway purposes (House Enacted – 152 YEAS to 0 NAYS)
H5640 · 2026-07-31
Authorizing the town of Hingham to grant to the commonwealth of Massachusetts certain parcels of land in the town of Hingham for highway purposes (House Enacted – 152 YEAS to 0 NAYS)
S3188 · 2026-07-31
Authorizing the Buzzards Bay Water District to convey non-exclusive easements over a certain parcel of land (House Enacted – 152 YEAS to 0 NAYS)
S3230 · 2026-07-31
Authorizing the Massachusetts Department of Transportation to acquire interests in certain portions of land owned by the town of Andover which were acquired by the town for Article XCVII purposes (House Enacted – 152 YEAS to 0 NAYS)
H5463 · 2026-07-30
Relative to a conservation restriction in the town of Middleton (House Enacted – 156 YEAS to 0 NAYS)
H5492 · 2026-07-30
Authorizing the town of Billerica to transfer control of certain land in the town of Billerica for the Yankee Doodle Bike Path (House Enacted – 156 YEAS to 0 NAYS)
H5620 · 2026-07-30
Promoting rule of law, oversight, trust and equal constitutional treatment (House Committee of conference report accepted – 136 YEAS to 21 NAYS)
H5620 · 2026-07-30
Promoting rule of law, oversight, trust and equal constitutional treatment (House Quorum Roll Call – 149 YEAS to 0 NAYS)
H5620 · 2026-07-30
Promoting rule of law, oversight, trust and equal constitutional treatment (House Enacted – 135 YEAS to 21 NAYS)
H5614 · 2026-07-30
Authorizing the release or exclusion of certain land from conservation restrictions in the town of Deerfield (House Enacted – 157 YEAS to 0 NAYS)
H5616 · 2026-07-30
Authorizing the Massachusetts Department of Transportation to take easements over certain land located in the city of Woburn and the town of Burlington held in trust by the city of Boston for the Mary P. C. Cummings Testamentary Trust for highway purposes (House Enacted – 158 YEAS to 0 NAYS)
S3160 · 2026-07-30
Relative to the dissolution of the Holmes Park Water District (House Enacted – 158 YEAS to 0 NAYS)
H5467 · 2026-07-30
Authorizing the transfer of certain parcels of land in the town of Weston from the Weston conservation commission to the select board (House Enacted – 158 YEAS to 0 NAYS)
H4992 · 2026-07-30
Authorizing the Barnstable county and the town of Bourne to convey certain parcels of land and certain interests in land in the town of Bourne (House Enacted – 158 YEAS to 0 NAYS)
S3141 · 2026-07-30
Relative to primary care for you (House Consolidated amendment A adopted – 158 YEAS to 0 NAYS)
S3141 · 2026-07-30
Relative to primary care for you (House Passed to be engrossed – 158 YEAS to 0 NAYS)
S3052 · 2026-07-29
Authorizing the town of Dighton to use a portion of conservation land for public way purposes. (House Enacted – 157 YEAS to 0 NAYS)
H5621 · 2026-07-29
To improve care and prepare for the new era of Alzheimer’s and dementia (House Passed to be engrossed – 156 YEAS to 0 NAYS)
H5379 · 2026-07-29
Relating to the transfer of interest in land in West Brookfield (House Enacted – 156 YEAS to 0 NAYS)
H5561 · 2026-07-29
Authorizing the commissioner of capital asset management and maintenance to transfer certain parcels of land in the town of Norton (House Enacted – 156 YEAS to 0 NAYS)
H5612 · 2026-07-29
Relative to home care services (House Passed to be engrossed – 157 YEAS to 0 NAYS)
H5388 · 2026-07-22
Authorizing the transfer of a certain parcel of land in the town of Marion from the Open Space Acquisition Commission to the Select Board (House Enacted – 154 YEAS to 0 NAYS)
H5595 · 2026-07-22
Prioritizing patient access to care (House Passed to be engrossed – 119 YEAS to 33 NAYS)
S2735 · 2026-07-22
Dissolving the North Carver water district (House Enacted – 153 YEAS to 0 NAYS)
S3028 · 2026-07-15
Promoting pet equity, treatment and safety (House Passed to be engrossed – 151 YEAS to 1 NAYS)
H2250 · 2026-07-15
Dissolving the Whately Water District (House Enacted – 153 YEAS to 0 NAYS)
H5569 · 2026-07-08
Relative to property tax classifications in the city of Watertown for fiscal year 2027 and subsequent fiscal years (House Passed to be engrossed – 145 YEAS to 0 NAYS)
H5562 · 2026-07-08
Relative to economic development in the commonwealth (House Consolidated amendment A adopted – 144 YEAS to 6 NAYS)
H5562 · 2026-07-08
Relative to economic development in the commonwealth (House Consolidated amendment B adopted – 150 YEAS to 0 NAYS)
H5562 · 2026-07-08
Relative to economic development in the commonwealth (House Consolidated amendment C adopted – 151 YEAS to 0 NAYS)
H5562 · 2026-07-08
Relative to economic development in the commonwealth (House Consolidated amendment D adopted – 150 YEAS to 0 NAYS)
H5562 · 2026-07-08
Relative to economic development in the commonwealth (House Consolidated amendment E adopted – 149 YEAS to 0 NAYS)
H5562 · 2026-07-08
Relative to economic development in the commonwealth (House Passed to be engrossed – 148 YEAS to 2 NAYS)
H5576 · 2026-07-08
Relative to economic development in the commonwealth (House Passed to be engrossed – 148 YEAS to 2 NAYS)
H5555 · 2026-07-01
Making appropriations for the fiscal year 2027 for the maintenance of the departments, boards, commissions, institutions, and certain activities of the commonwealth, for interest, sinking fund, and serial bond requirements, and for certain permanent improvements (House Committee of conference report accepted – 142 YEAS to 6 NAYS)
S2916 · 2026-07-01
Improving campaign finance reporting for statewide ballot questions (House Passed to be engrossed -149 YEAS to 0 NAYS)
S3106 · 2026-07-01
Relative to toxic-free medical devices (House Passed to be engrossed -139 YEAS to 0 NAYS)
H5555 · 2026-07-01
Making appropriations for the fiscal year 2027 for the maintenance of the departments, boards, commissions, institutions, and certain activities of the commonwealth, for interest, sinking fund, and serial bond requirements, and for certain permanent improvements (House Enacted – 142 YEAS to 6 NAYS)
H5511 · 2026-06-17
Relative to teacher preparation and student literacy (House Committee of conference report accepted – 153 YEAS to 0 NAYS)
S3064 · 2026-06-17
To build resilience for Massachusetts communities (House Consolidated amendment A adopted – 153 YEAS to 0 NAYS)
S3064 · 2026-06-17
To build resilience for Massachusetts communities (House Consolidated amendment B adopted – 152 YEAS to 0 NAYS)
S3064 · 2026-06-17
To build resilience for Massachusetts communities (House Passed to be engrossed – 151 YEAS to 0 NAYS)
H5491 · 2026-06-10
Implementing the recommendations of the Walsh-Kennedy Commission Report (House Passed to be engrossed – 155 YEAS to 0 NAYS)
S2726 · 2026-06-10
Regarding free expression (House Amendment 3 rejected – 2 YEAS to 154 NAYS)
S2726 · 2026-06-10
Regarding free expression (House Amendment 4 rejected – 23 YEAS to 133 NAYS)
S2726 · 2026-06-10
Regarding free expression (House Passed to be engrossed – 153 YEAS to 3 NAYS)
S1646 · 2026-06-10
Relative to violation of regulation regarding hot work processes (House Passed to be engrossed – 156 YEAS to 0 NAYS)
Complete voting record from LegiScan (showing the 60 most recent of 263 total roll-call votes this session).
Primary Office
Sources:
Follow Simon Cataldo
One email a week, only when there’s something: every time they broke with their party, and the closest votes they cast. Free, and you can stop any time.