Mark Proulx
Serving as: NH House Hillsborough County District 15
These objective, nonpartisan measures are used to show this legislator's activities at the Statehouse in 2025. The measures are not intended to present a ranking or rating of any kind. Average is that of all state elected officials in this chamber. Gov. Ayotte is still in the process of signing and vetoing 2025 bills, so the number of prime sponsored bills that became law may increase.
Session days attended
Party unity score/partisanship
Participated in official roll call votes
Bills sponsored (as prime sponsor)
Prime sponsored bills that became law
Voting Record
HB 1 (2025)
State budget bill. The governor presented her proposal for the next state budget February 13. Click here to read a summary of the budget process.
HB 10 (2025)
Establishes a Parental Bill of Rights. The bill requires schools to adopt a policy to promote parental involvement in the public school system. The bill also establishes a right to sue schools that violate the law.
The final version of this bill requires schools to respond to parental inquiries "regarding any and all matters related to their minor child," within ten days.
The final Senate version of this bill also does not require parents to give written consent to any medical procedure or treatment; that provision was removed after much debate.
HB 148 (2025)
Adds an exception to state anti-discrimination laws for bathrooms, locker rooms, sports, prisons, hospitals, and treatment centers to classify individuals based on biological sex.
HB 198 (2025)
Removes the legal penalties for possessing and using marijuana and cannabis-infused products for those over age twenty-one. This bill does not include any mechanism for legal sales or taxation.
HB 238 (2025)
Right-to-work bill that prohibits collective bargaining agreements that require employees to join or contribute to a labor union.
HB 282 (2025)
Increases the maximum compensation for first responders' critical injury benefits from $500,000 to $1,000,000.
HB 324 (2025)
Prohibits K-12 schools from making "any material that is harmful to minors" available to students. The bill defines this material to include various content related to sex. This bill also requires school boards to adopt complaint resolution policies to address complaints regarding harmful material by parents or guardians.
HB 357 (2025)
Removes the authority of the Department of Health and Human Services to require vaccinations beyond those in state law. This bill specifically notes that the requirements for chickenpox, Hepatitis B, and Hib vaccinations will expire in 2026.
The House added the text of this bill to SB 60.
HB 377 (2025)
Makes it a felony to provide hormone treatments and puberty blockers to a minor unless a minor is "born with a medically verifiable disorder of sex development."
The Senate amended the bill to allow doctors to continue hormone treatments and puberty blockers started prior to January 1, 2026.
The Senate amended the bill to also recognize Children's Environmental Health Day, similar to SB 184.
A conference committee of representatives and senators agreed to those Senate amendments.
HB 53 (2025)
Allows qualifying medical marijuana patients and caregivers to grow marijuana at home. There would be limits on the size of the growing operation.
The House added the text of this bill to SB 118.
HB 56 (2025)
Requires sales and transfers of firearms to take place through licensed dealers. Those dealers are required to perform background checks. This bill also establishes a 3-day waiting period for firearm transfers. The bill includes some exceptions, such as transfers between immediate family members.
HB 60 (2025)
After six months of renting, this bill adds the expiration of the term of the lease or tenancy as grounds for an eviction.
The Senate amended the bill so that it will only take effect if there is a 4% vacancy rate in the state. The amended bill also increases in the minimum lease term to twelve months before eviction.
A conference committee of representatives and senators agreed on a final version of the bill. Landlords could evict without cause after twelve months, and the law would take effect regardless of the vacancy rate.
HB 649 (2025)
Removes the requirement for physical safety inspections and on-board diagnostic tests for passenger vehicles and eliminates funding for the Motor Vehicle Air Pollution Abatement Fund.
SB 14 (2025)
Sets a mandatory minimum sentence for supplying fentanyl. The minimum starts at three years and six months and goes up for higher quantities.
The House amended the bill to also increase penalties for dealing fentanyl to a person who overdoses and dies, similar to SB 15. The amendment also decreases the penalty for possessing 3/4 of an ounce or less of psilocybin (magic mushrooms) to a misdemeanor.
SB 228 (2025)
Modifies the scope and capacity limits of community solar projects. Generally speaking, this bill increases the size of projects that can participate in net energy metering. The bill also allows nonprofit educational institutions and public housing authorities to operate as “municipal hosts” for net metering.
The Senate added some of this bill to HB 710.
SB 284 (2025)
Limits zoning laws to require no more than one parking spaces per residential unit, with exceptions for certain workforce housing and multi-family developments.
The House amended the bill to remove those exceptions.
SB 287 (2025)
If an absentee voter asks for a ballot to be mailed to an address other than the address shown on the voter checklist, this bill adds additional verification requirements. In particular, the voter must show a copy of their photo ID to the clerk or include a notarized signature on their absentee ballot application. If an absentee voter does not complete either step, "his or her signature on the application for an absentee ballot shall be compared to his or her signature on the absentee ballot affidavit on election day in the same manner as other voters."
SB 295 (2025)
Removes the household income limit to participate in the Education Freedom Account (EFA) program.
The Senate amended the bill, adding a 10,000 enrollment cap for the EFA program. If there are 9,000 EFA applicants in a year, the enrollment cap would increase by 25%.
SB 62 (2025)
Prohibits state and local government from blocking law enforcement participation in a federal 287(g) program. That program allows local law enforcement to perform some immigration enforcement duties.
The House amended the bill to add the text of SB 71, which prohibits state and local governments from adopting "sanctuary policies," which prohibit or impede law enforcement cooperating with federal immigration enforcement.
Declined to complete our 2024 State Candidate Survey
Position on Issues
For| Read My Position
Voting Record, 2024
Proulx voted for an early version of the "education freedom savings account program" (SB 193) In 2024 Rep. Proulx voted in favor of several bills to expand eligibility for Education Freedom Accounts, including HB 1561, HB 1634, HB 1665, and HB 1677. Proulx also voted against HB 1512, which would limit the EFA program to a budget.
Against| Read My Position
Voting Record, 2023
Voted against HB 591, a bill that would prohibit a doctor from performing an abortion after detecting a fetal heartbeat.
No Response
Citizens Count Issue Survey, 2022
Should NH add an income tax on earned income?
No Response
Citizens Count Issue Survey, 2022
Should NH add a broad-based sales tax?
No Response
Citizens Count Issue Survey, 2022
Should New Hampshire lower business taxes?
Against| Read My Position
Voting Record, 2019
Voted against HB 686, a bill that would extend the interest and dividends tax to capital gains and increase the exemptions and filing thresholds for the interest and dividends tax. HB 686 would have used the new capital gains tax revenue to increase per-pupil school funding and lower the state property tax rate.
Against| Read My Position
Voting Record, 2024
In 2024 Rep. Proulx voted against establishing a climate and health protection program (SB 496).
In 2025 Rep. Proulx voted against HB 106, which would have established a commission to determine the financial cost of climate damage to New Hampshire and methods of recouping such costs. Rep. Proulx also voted in favor of HCR 1, a resolution that calls for policymakers to fully consider all relevant information and factors pertaining to climate change as climate policy is developed. That resolution specifically called out "climate alarmism."
No Response
Citizens Count Issue Survey, 2022
Do you support giving voters who register without ID on Election Day a ballot that only counts if they return identifying documents to the state before a deadline?
Other| Read My Position
Voting Record, 2025
In 2024 Rep. Proulx voted for a few bills that would ease zoning requirements. For example, Proulx voted for HB 1291 (to increase rights of property owners to build accessory dwelling units), HB 1399 (to make it easier to convert single family residence into two units), and HB 1400 (to limit parking requirements, plus add tax credits for office conversions).
However, in 2025 Rep. Proulx voted against limits on parking requirements in zoning laws (SB 284) and voted to continue allowing planning boards to differentiate based on the number of bedrooms in a residential development (SB 174).
For| Read My Position
Voting Record, 2024
Voted for a constitutional right to abortion before 24 weeks (CACR 23).
No Response
Citizens Count Issue Survey, 2024
Should the state increase funding for child care providers?
No Response
Citizens Count Issue Survey, 2022
Do you support New Hampshire’s current system of public school funding, with about two-thirds of total funding coming from local property taxes?
Against| Read My Position
Voting Record, 2025
Voted to keep legal penalties for possessing and using marijuana (HB 75)
No Response
Citizens Count Issue Survey, 2022
Should New Hampshire legalize the recreational use of marijuana by establishing state-run cannabis stores?
Against| Read My Position
Voting Record, 2024
During the 2019-2020 session, Rep. Proulx voted against HB 186 (to gradually raise the minimum wage to $12/hour), HB 731 (to gradually raise the minimum wage to $15/hour), and SB 10 (to gradually raise the minimum wage to $12/hour). In the 2023-2024 session, Proulx voted against raising the minimum wage to $15/hour (HB 57) and voted against gradually raising the minimum wage to $17/hour, with future inflation adjustments (HB 1322).
No Response
Citizens Count Issue Survey, 2024
Should New Hampshire add legal protections for residents of other states who travel here for health care related to abortion or gender transition?
For| Read My Position
Voting Record, 2023
Voted to repeal the "fetal life protection act", which restricts access to abortion after 24 weeks (HB 271).
Against| Read My Position
Voting Record, 2025
Proulx has voted against many bills to expand gun laws, including:
- HB 1285, HB 564, and HB 32 (banning firearms on school grounds)
- HB 1608 (banning large capacity magazines)
- HB 109, HB 1379, HB 59, and HB 56 (expanding firearm background checks)
- HB 514, HB 1101, HB 76, and HB 56 (establishing a waiting period for firearm purchases)
- HB 687 and HB 106 (establishing extreme risk protection orders, similar to a red flag law).
