Photo of Spiros Mantzavinos
D Delaware Senate · District 7 On the 2026 ballot

Sen. Spiros Mantzavinos

Compare
Total votes
2,845
all sessions
Attendance
98%
65 missed
Near the chamber average
With party
99%
of cast votes
Higher than 81% of chamber peers
Bipartisan score
0%
crosses aisle rarely
Lower than 87% of chamber peers
Sponsored
1,281
bills & resolutions
Higher than 91% of chamber peers
Committees
7
assignments
1,281 bills and resolutions

Sponsored bills

Total
1,281
Primary
1,083
Co-sponsor
198
This page
1,281
matching current filters
Primary HB 35
Passed · Delaware House · Lead sponsor
AN ACT PROPOSING AN AMENDMENT TO ARTICLE I OF THE DELAWARE CONSTITUTION RELATING TO PROHIBITION OF THE DEATH PENALTY.

This Act is the first leg of a constitutional amendment to prohibit the imposition of the death penalty. Amending the Delaware Constitution requires not only the passing of the changes in this Act, but also passage of the same changes after the next general election by the next General Assembly. This Act requires a greater than majority vote for passage because § 1 of Article XVI of the Delaware Constitution requires the affirmative vote of two-thirds of the members elected to each house of the General Assembly to amend the Delaware Constitution. This Substitute for House Bill No. 35 makes technical corrections and omits the changes to § 12 of Article I to avoid confusion as there is a different currently pending amendment to that section.

Passed Jun 30, 2025 0 co-sponsors
Primary SB 145
Signed into law · Delaware Senate · Lead sponsor
AN ACT TO AMEND TITLE 19 OF THE DELAWARE CODE RELATING TO WORKERS' COMPENSATION PAYMENTS.

This Act does the following: (1) Updates the Workers’ Compensation Act to reflect current practices and technology including enabling workers’ compensations payments to be by made by direct deposit. (2) Allows the Office of Workers’ Compensation to increase the reimbursement percentage of activities from 66.6% to 100%. This ensures that the inspection and safety functions of the Division of Industrial Affairs are fully covered as they are partially covered right now. Insurance carriers pay the assessment imposed by this section. The annual budget process provides caps or spend authorities on these appropriated special funds on an annual basis. This Act also makes technical corrections to conform existing law to the standards of the Delaware Legislative Drafting Manual.

Signed into law Jun 30, 2025 0 co-sponsors
Primary SCR 103
Passed · Delaware Senate · Lead sponsor
RECOGNIZING NOVEMBER 2025 AS "AUTOIMMUNE DISEASE AWARENESS MONTH" IN THE STATE OF DELAWARE.

Maddy summaryThis Senate Concurrent Resolution (SCR 103) designates November 2025 as "Autoimmune Disease Awareness Month" in Delaware. It is a non-binding resolution expressing the state legislature's recognition of autoimmune diseases and their impact on residents. The resolution does not create new laws, allocate funding, or impose requirements; it solely aims to raise public awareness during that month. It directly affects Delaware residents by highlighting autoimmune health issues through official state recognition.

Passed Jun 26, 2025 0 co-sponsors
Primary SCR 115
Passed · Delaware Senate · Lead sponsor
DESIGNATING JULY 26, 2025, AS “AMERICANS WITH DISABILITIES ACT DAY” IN THE STATE OF DELAWARE.

Maddy summaryThis resolution designates July 26, 2025, as "Americans with Disabilities Act Day" in Delaware. It recognizes the anniversary of the federal Americans with Disabilities Act's enactment without creating new laws, policies, or funding. The designation is purely ceremonial, encouraging state agencies and organizations to observe the day. It directly affects Delaware's state government and public institutions through this symbolic recognition. No concrete policy changes or financial impacts are associated with this resolution.

Passed Jun 26, 2025 0 co-sponsors
Primary SCR 118
Passed · Delaware Senate · Lead sponsor
DESIGNATING OCTOBER 12, 2025, AS "NATIONAL FARMER'S DAY" IN THE STATE OF DELAWARE.

Maddy summarySCR 118 designates October 12, 2025, as "National Farmer's Day" in Delaware through a symbolic resolution. This procedural bill does not create new laws or affect specific groups; it simply recognizes farmers' contributions via a formal state designation. The resolution has no legislative effect beyond raising awareness on that date. It is a ceremonial measure, not a policy change.

Passed Jun 26, 2025 0 co-sponsors
Primary SCR 111
Passed · Delaware Senate · Lead sponsor
ESTABLISHING AN AUTOMOBILE INSURANCE REFORM TASK FORCE FOR THE DEVELOPMENT OF CONSUMER COST-SAVING LEGISLATION, REGULATIONS, AND POLICIES.

This Concurrent Resolution establishes the Automobile Insurance Reform Task Force (“Task Force”). The General Assembly is creating the Task Force to address rising costs relating to automobile insurance both in private passenger and commercial markets. Rates have risen in actuarially justified manner due to a number of factors including increasing commonality of expensive vehicle technology, supply shortages, inflation and tariffs, rising health care costs, and significant insurer loses during climate events.

Passed Jun 26, 2025 0 co-sponsors
Primary SB 130
Passed · Delaware Senate · Lead sponsor
AN ACT TO AMEND TITLE 7 OF THE DELAWARE CODE RELATING TO EXPANDED POLYSTYRENE FOAM PRODUCTS.

This Act prohibits retail stores and wholesalers from selling, distributing, or offering for sale in this State expanded polystyrene foam food service packaging products, most expanded polystyrene foam coolers, and expanded polystyrene foam loose fill packaging, such as packing peanuts. These types of expanded polystyrene foam products are difficult to recycle and are not accepted in Delaware’s curbside recycling program. Such products typically end up in landfills, where they take hundreds of years to break down. By prohibiting the sale of expanded polystyrene food service packaging products, expanded polystyrene foam coolers, and expanded polystyrene foam loose fill packaging, this Act helps protect the environment from harmful waste. The Act does allow for certain uses of expanded polystyrene packaging (e.g., trays for raw or butchered meat) when necessary for health and safety reasons. This Act also allows for a temporary waiver of its prohibition on expanded polystyrene foam food packaging, expanded polystyrene foam coolers, and expanded polystyrene foam loose fill packaging if there is not a financially feasible or commercially available alternative for a specific expanded polystyrene foam product prohibited under this Act, and the retail store or wholesaler can show that the ban will cause a significant financial hardship. This Act is a Substitute for Senate Bill No. 130. It differs from Senate Bill No. 130 as follows: 1. Specifies that the prohibition on expanded polystyrene foam products is limited to expanded polystyrene foam food service packaging, expanded polystyrene foam coolers, and expanded polystyrene foam loose fill packaging such as packing peanuts. 2. Clarifies that the prohibition on these products applies only to products sold in Delaware, by Delaware retail stores and wholesalers, and narrows the definitions of retail stores and wholesalers accordingly. This change is being made to alleviate concerns that the Act attempted to regulate expanded polystyrene foam products sales in other states. 3. Explicitly excludes food establishments such as restaurants from the definition of “retail store”, as the use of polystyrene foam food service products in food establishments is already regulated under § 3004Q of Title 16. 4. Removes language that had allowed the Department of Natural Resources and Environmental Control the discretion to create new exemptions. 5. Creates an exemption for expanded polystyrene coolers used to transport or ship live fish or other marine life. 6. Consolidates the waiver provisions into a single provision that allows for a 1-year renewable waiver in cases where compliance with is not a financially feasible and commercially available alternative for a specific expanded polystyrene foam product and the retailer or wholesaler can show that the ban will cause significant financial hardship. This Act takes effect on January 1, 2027.

Passed Jun 26, 2025 0 co-sponsors
Primary SB 15
Passed · Delaware Senate · Lead sponsor
AN ACT CONCURRING IN A PROPOSED AMENDMENT TO ARTICLE III OF THE DELAWARE CONSTITUTION RELATING TO MEMBERS OF THE GOVERNOR'S CABINET.

The governance of this State relies on the qualifications and performance of the members of the Governor’s cabinet. The General Assembly finds that the confirmation process is an important step to ensure the qualifications and performance of the Governor’s cabinet. This Act is the second leg of a constitutional amendment to require each holdover member of the Governor’s cabinet to be reconfirmed by the Senate at the beginning of each term of the Governor. The first leg of this constitutional amendment was Senate Bill No. 15 of the 152nd General Assembly, published in Chapter 278 of Volume 84 of the Laws of Delaware. On passage of this second leg by this General Assembly this amendment will become part of the Delaware Constitution. This Act defines members of the Governor’s cabinet as the principal officer of an executive department made subject to § 10 of Article III of the Delaware Constitution by an Act of the General Assembly. Senate Bill No. 16 of the 152nd General Assembly, which was enacted on September 30, 2024, and takes effect on the enactment of this Act, implements this Act by making the principal officer of the following executive departments subject to this constitutional requirement: (1) The Department of Education. (2) The Department of Military Affairs / Delaware National Guard. (3) The Office of Management and Budget. (4) The Department of Health and Social Services. (5) The Department of Natural Resources and Environmental Control. (6) The Department of Agriculture. (7) The Department of Safety and Homeland Security. (8) The Department of Finance. (9) The Department of Transportation. (10) The Department of Labor. (11) The Delaware State Housing Authority. (12) The Department of State. (13) The Department of Correction. (14) The Department of Services for Children, Youth and Their Families. (15) The Department of Technology and Information. (16) The Department of Human Resources. This Act also makes technical corrections to conform existing law to the standards of the Delaware Legislative Drafting Manual. This Act requires a greater than majority vote for passage because § 1 of Article XVI of the Delaware Constitution requires the affirmative vote of two-thirds of the members elected to each house of the General Assembly when the General Assembly amends the Delaware Constitution.

Passed Jun 26, 2025 0 co-sponsors
Primary SR 13
Passed · Delaware Senate · Lead sponsor
DIRECTING THE DEPARTMENT OF FINANCE TO PREPARE A REPORT ON ENTITIES BUYING DELAWARE’S HOUSING STOCK.

This resolution directs the Department of Finance to prepare a comprehensive report by December 31, 2025 on the involvement of business entities in purchasing residential property within Delaware. The report aims to clarify the extent, geographic distribution, and nature of business entity ownership in the state’s housing market, responding to concerns that these purchases may affect housing affordability and availability for residents. The resolution also calls for recommendations to improve the collection and availability of this data.

Passed Jun 25, 2025 0 co-sponsors
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