Photo of Dan Sena
D Massachusetts House · District 37th Middlesex On the 2026 ballot

Rep. Dan Sena

Compare
Total votes
234
all sessions
Attendance
91%
20 missed
Lower than 96% of chamber peers
With party
94%
of cast votes
Near the chamber average
Bipartisan score
3%
crosses aisle rarely
Near the chamber average
Sponsored
1,773
bills & resolutions
Higher than 93% of chamber peers
Committees
5
assignments
1,773 bills and resolutions

Sponsored bills

Total
1,773
Primary
121
Co-sponsor
1,652
This page
1,773
matching current filters
Co-sponsor SD 2335
Introduced · Massachusetts Senate · Co-sponsor
An Act investing in a prosperous clean commonwealth by 2030

Maddy summaryThis bill aims to guide Massachusetts toward achieving 100% renewable electricity and net-zero carbon emissions across all sectors by 2030. It directly affects energy facilities, businesses, and workers by establishing new legal definitions for emissions and updating reporting requirements for large industrial sources. The legislation also prioritizes environmental justice for marginalized communities and mandates the creation of unionized green jobs with fair wages for workers transitioning to a clean energy economy. By amending existing state laws, the bill creates a formal registry to track greenhouse gas data and ensures that land use changes do not reduce the earth's natural ability to absorb carbon.

1 co-sponsor
Co-sponsor SD 2368
Introduced · Massachusetts Senate · Co-sponsor
An Act enabling local options for tenant protections

Maddy summaryThis bill, titled "An Act enabling local options for tenant protections," amends Massachusetts law to allow cities and towns to choose whether to implement specific local tenant protections. Under the new provisions, municipalities that opt in can regulate rent and evictions in multi-family housing, provided they also establish fair return standards for property owners and exclude owner-occupied homes with three or fewer units. The legislation defines "just cause" evictions, permitting landlords to end tenancies only for specific reasons such as non-payment of rent, lease violations, or illegal activity. Additionally, the bill allows local communities to set income-based eligibility requirements for regulated units and create administrative bodies to oversee these programs and assist small landlords. Ultimately, the act shifts the decision-making power regarding these housing measures to individual municipalities rather than mandating them statewide.

1 co-sponsor
Co-sponsor SD 2387
Introduced · Massachusetts Senate · Co-sponsor
An Act promoting drinking water quality for all

Maddy summaryThis bill creates new regulations for private wells in Massachusetts, which are defined as systems serving fewer than 25 people or operating for less than 60 days a year. It requires the Department of Environmental Protection to establish minimum safety standards for these wells and allows certified drillers to build or modify them without mandatory inspections when the property is transferred between close family members. Additionally, the legislation expands a state loan program to help homeowners afford water treatment systems that meet public drinking water standards. Local health boards will enforce these rules, and the bill includes provisions to reduce paperwork burdens for individuals and businesses.

1 co-sponsor
Co-sponsor HD 1232
Introduced · Massachusetts House · Co-sponsor
An Act relative to requiring insurance providers cover a minimum of 30 days for in-patient substance abuse treatment

Maddy summaryThis bill requires insurance providers in Massachusetts to cover a minimum of 30 days for in-patient substance abuse treatment, increasing the current mandatory coverage from 14 days. The legislation directly affects health insurance companies and individuals seeking residential addiction care by mandating longer stays under existing state laws. It achieves this change by amending multiple sections of the Massachusetts General Laws to replace the number 14 with 30 across various insurance and health care statutes.

1 co-sponsor
Co-sponsor HD 830
Introduced · Massachusetts House · Co-sponsor
An Act to improve Alzheimer's’ and dementia care in senior care options programs

Maddy summaryThis bill requires MassHealth to ensure that all Senior Care Options plans provide a specific dementia care coordination service to members diagnosed with Alzheimer's disease and related dementias. The legislation defines this service as a proactive care consultation designed to help individuals receive cost-effective and quality care within the existing senior care framework. By adding this requirement to state law, the measure directly affects seniors enrolled in MassHealth's Senior Care Options programs who have been diagnosed with these conditions.

1 co-sponsor
Primary HD 2136
Introduced · Massachusetts House · Lead sponsor
An Act establishing an elementary and secondary school robotics grant program

Maddy summaryThis bill creates a grant program within the Massachusetts Department of Education to help elementary and secondary schools develop STEM and robotics programs. The funding is intended to assist students in succeeding academically and preparing for careers in science, technology, engineering, and math. Priority for grants will be given to schools that currently lack robotics clubs, specifically those located in rural and underserved counties such as Berkshire, Hampden, Hampshire, Franklin, Bristol, Barnstable, and Dukes. To receive funding, schools must commit to running teams registered with recognized organizations like FIRST Robotics or VEX, and the state will provide technical assistance to help districts expand these programs.

0 co-sponsors
Co-sponsor SD 152
Introduced · Massachusetts Senate · Co-sponsor
An Act relative to ensuring gas safety and consumer fairness

Maddy summaryThis bill aims to improve gas safety and fairness for consumers by requiring utility companies to stop charging customers for gas lost due to leaks in their infrastructure. It mandates that gas companies repair certain hazardous leaks within six months and notify local fire and law enforcement officials within an hour of detection. Additionally, the legislation creates a process for property owners to claim damages from gas companies and requires utilities to pay for the replacement of trees damaged by leaks.

1 co-sponsor
Co-sponsor SD 151
Introduced · Massachusetts Senate · Co-sponsor
An Act advancing clean energy, equity, and innovation within municipal utilities

Maddy summaryThis bill creates a new $50 million fund to support Massachusetts municipal utilities in adopting clean energy technologies and reducing emissions. The fund will provide grants specifically prioritized for projects that benefit environmental justice communities, low-income housing, elderly housing, and those utilizing innovative decarbonization strategies. Additionally, the legislation allocates $7.5 million to help smaller or lower-income municipal utilities meet their renewable energy goals by 2030. The bill also requires the administering agency to publish an annual spending plan after holding a public hearing to gather community feedback.

1 co-sponsor
Primary HD 3519
Introduced · Massachusetts House · Lead sponsor
An Act relative to increased protection of wildlife management areas

Maddy summaryThis bill amends Massachusetts law to strengthen the protection of Wildlife Management Areas by requiring the state to designate at least 30% of these lands as Nature Reserves by January 1, 2030. The legislation establishes a new Wildlife Management Area Nature Reserves Council to oversee this process, selecting areas based on specific ecological criteria such as old-growth forests, wetlands, and habitats that support rare species. The Council, which includes representatives from conservation groups and the public, will identify and mark these protected zones to ensure long-term ecological stability and climate resilience.

0 co-sponsors
Co-sponsor SD 888
Introduced · Massachusetts Senate · Co-sponsor
An Act relative to the estate tax

Maddy summaryThis bill modifies Massachusetts estate tax rules to adjust how taxes are calculated for large estates and to provide a specific credit for smaller ones. It directly affects individuals who leave behind taxable estates, changing the tax liability for those with assets over $20 million and offering a partial tax reduction for estates valued between $1 million and $1.05 million. Under the new provisions, estates exceeding $20 million would owe a fixed base tax of $2,676,400 plus 19% of the amount over that threshold. Additionally, estates falling within the $1 million to $1.05 million range would receive a $35,000 credit, which decreases by 70 cents for every dollar the estate value exceeds $1 million. These changes aim to refine the state's revenue collection from inheritance while providing relief for mid-sized estates.

1 co-sponsor
Showing 1,571 to 1,580 of 1,773 bills