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 86% of chamber peers
Bipartisan score
0%
crosses aisle rarely
Lower than 87% of chamber peers
Sponsored
1,281
bills & resolutions
Higher than 90% 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 SB 279
Passed · Delaware Senate · Lead sponsor
AN ACT TO AMEND TITLE 14 OF THE DELAWARE CODE RELATING TO SCHOOL-BASED OCCUPATIONAL THERAPISTS.

This Act clarifies the pay schedule for school-based occupational therapists. Due to varying program lengths, such as accelerated programs, and the different methods of how colleges and universities award credits, it is challenging to accurately and equitably determine the appropriate lane on the salary schedule for school-based occupational therapists. This Act creates a uniform baseline for school-based occupational therapists on the salary schedule in a manner similar to other school-based clinicians such as audiologists and speech-language pathologists.

Passed Jun 30, 2026 0 co-sponsors
Primary HB 305
Passed · Delaware House · Lead sponsor
AN ACT TO AMEND TITLE 16 OF THE DELAWARE CODE RELATING TO THE DELAWARE DIABETES WELLNESS PILOT PROGRAM WITHIN THE DEPARTMENT OF HEALTH AND SOCIAL SERVICES TO STUDY DIABETIC WELL CARE.

This Act provides a roadmap via an observational study on a small but representative group of diabetic patients to change standard healthcare from current reactive “sick care” to proactive “well care”. This will be accomplished by using a Delaware health system combined with a technology partner to regularly test, measure and manage, and incentivize diabetic patients and their providers to improve the health outcomes for Delawareans and drive down healthcare costs. The length of the observational study will be 3 years. During that time, data analysis will track results to determine if this Pilot Program shall be renewed and expanded. This Act requires no fiscal note in that this Pilot Program is to be federally funded through the Federal Rural Health Transformation Program.

Passed Jun 30, 2026 0 co-sponsors
Primary SB 231
Passed · Delaware Senate · Lead sponsor
AN ACT TO AMEND TITLE 14 OF THE DELAWARE CODE RELATING TO SCHOOL SOCIAL WORKERS.

This Act provides that School Social Workers who have successfully passed the Association of Social Work Boards National Clinical Examination and hold a Licensed Clinical Social Worker License with a salary supplement. This Act also makes technical corrections to conform existing law to the standards of the Delaware Legislative Drafting Manual.

Passed Jun 30, 2026 0 co-sponsors
Primary SB 100
Passed · Delaware Senate · Lead sponsor
AN ACT PROPOSING AN AMENDMENT TO ARTICLE I OF THE DELAWARE CONSTITUTION RELATING TO THE RIGHT TO MARRY.

This Act is the first leg of an amendment to the Delaware Constitution establishing that the right to marry is a fundamental right that may not be denied or abridged on the basis of gender or any basis protected under Art. 1, § 21 of the Delaware Constitution, which provides equal protection under the law on account of race, color, national origin, and sex. Under this Act, all marriages that are legally valid under the laws of this State must be treated equally, including under all laws that are applicable to marriage, married spouses, or the children of married spouses. This Act also clarifies that the right to marry does not infringe upon the right to freedom of religion under Art. 1, § 1 of the Delaware Constitution. Like Senate Substitute No. 1 for Senate Bill No. 100, Senate Substitute No. 2 for Senate Bill No. 100 differs from Senate Bill No. 100 by explicitly connecting the right to marry with the equality of rights provided under Art. 1, § 21 of the Delaware Constitution on the basis of race, color, national origin, or sex. In addition, Senate Substitute No. 2 for Senate Bill No. 100 differs from Senate Bill No. 100 as follows: • Clarifies that the right to marry applies to marriages that are legally valid under the laws of this State. • Clarifies that treating all legally valid marriages equally means that all laws of this State that are applicable to marriage, married spouses, or the children of married spouses apply equally to marriages that are legally valid under the laws of this State. • Removes the need for gender-specific provisions by including gender in the first sentence. • Revises the language clarifying that the right to marry does not infringe on the right to freedom of religion under Art. 1, § 1 of the Delaware Constitution to apply to the entire section and to remove the example. 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.

Passed Jun 30, 2026 0 co-sponsors
Primary SB 27
Passed · Delaware Senate · Lead sponsor
AN ACT TO AMEND TITLE 29 OF THE DELAWARE CODE RELATING TO THE OFFICE OF NEW AMERICANS.

This Act establishes the Office of New Americans to help improve the lives and economic prosperity of new Americans who come to Delaware and of all Delawareans generally.

Passed Jun 30, 2026 0 co-sponsors
Primary HB 133
Passed · Delaware House · Lead sponsor
AN ACT TO AMEND TITLE 11 OF THE DELAWARE CODE RELATING TO FINES, FEES, RESTITUTION, AND OTHER COURT-RELATED MONETARY OBLIGATIONS.

Currently, even when a defendant or individual obviously does not have the means to pay a financial penalty or fee, Delaware Courts are unable to waive certain mandatory minimum fines or fees at sentencing. This can create a constitutional crossroads, as our justice system has long recognized that the Fourteen Amendment prohibits “punishing a person for his poverty.” Bearden v. Georgia, 461 U.S. 660, 671 (1983). This Act gives courts the discretion to waive fines and fees, in whole or in part, in appropriate circumstances. It also creates a presumption that fines and fees will not be imposed when a defendant shows evidence of certain conditions, including receiving a public assistance benefit (like Medicaid, SNAP, or veterans’ benefits) or being represented by the Office of Defense Services. It also creates a hearing process for anyone already sentenced to pay a fine or fee. The changes in this Act are based on recommendations of the Criminal Legal System Imposed Debt Study Group created by House Bill 244, as amended by House Amendment No 2, of the 151st General Assembly, in its December 7, 2023, report. This Act takes effect 180 days after its enactment.

Passed Jun 30, 2026 0 co-sponsors
Primary SB 272
Passed · Delaware Senate · Lead sponsor
AN ACT TO AMEND TITLE 14 AND TITLE 29 OF THE DELAWARE CODE RELATING TO PROJECT LABOR AGREEMENTS FOR SCHOOL DISTRICT PUBLIC WORKS CONTRACTS.

This Act requires that if public works project is for a school district and has an aggregate cost of $1 million or more, a contract relating to that public works project, advertised after December 31, 2026, must include a project labor agreement with the Delaware Building and Construction Trades Council unless there was only 1 bid for the craft under the contract. A project labor agreement is a type of collective bargaining agreement in the construction industry that is generally negotiated before construction begins. Project labor agreements are intended to provide a legally binding and enforceable contract primarily related to labor conditions and labor-management relations. The requirements under this Act are not regulatory. Under existing law, school districts must comply with the procurement requirements for State agencies under Chapter 69 of Title 29. As such, the requirements under this Act apply only to contracts where this State is acting as a market participant and has a proprietary interest.

Passed Jun 29, 2026 0 co-sponsors
Primary HB 453
Introduced · Delaware House · Lead sponsor
AN ACT TO AMEND TITLE 6 OF THE DELAWARE CODE RELATING TO CONSUMER PROTECTION AND SURVEILLANCE BASED PRICING DISCRIMINATION.

This House Substitute for House Bill No. 453 prohibits surveillance-based price discrimination by forbidding the use of automated decision systems to set individualized consumer prices based on personal data, metadata, or proxy data, such as device identifiers and digital behavioral patterns, used to infer a consumer's socioeconomic status or urgency of purchase. While the Act establishes safe harbors for discounts based on lawful, objective criteria (e.g., military, student, or senior status), it ensures that rewards and loyalty programs are not used to circumvent these protections by requiring that such discounts remain uniform across membership and are not individualized through algorithmic profiling. This Substitute differs from the original bill by adding a definition of electronic shelving labels and provides language that protects loyalty programs. It also carves out financial services and credit to align with federal regulations, changes the language used for location-based data, discounts for service interruptions, removes the term “risk-relevant data”, and provides a safe harbor provision with an opportunity to cure and a sunset date. Finally, this Substitute also includes a severability clause and an effective date of January 1, 2027.

Introduced Jun 25, 2026 0 co-sponsors
Primary HB 393
Passed · Delaware House · Lead sponsor
AN ACT TO AMEND TITLE 26 OF THE DELAWARE CODE RELATING TO PROTECTIONS FOR PUBLIC UTILITY CONSUMERS.

This Act provides that an individual electric supplier agent cannot be fined or imprisoned for violations under Section 218 of Chapter I of Title 26. This Act provides that the Commission must develop a training and educational program for any entity or individual that is certified by the Commission as an electric supplier that demonstrates a thorough understanding of the Commission’s regulations regarding (1) sales; (2) consumer protection; and (3) any other matter the Commission deems appropriate. This Act requires that third-party electric supplier report data concerning customer choices in its service territory and third-party electric supplier rates. They must submit a monthly report to the Commission on customer choice in their service territories for the preceding month, including all of the following: (1) the total kilowatt hours distributed to customers purchasing electricity from a third-party electric supplier; (2) the total supply cost charged to customers purchasing electric from a third–party electric supplier; (3) the total cost that customers who chose third-party suppliers would have paid under standard offer service; (4) the net third–party total cost compared to the standard offer service; (5) the total third–party average rate; (6) the standard offer service average rate; (7) the difference between the total third–party average rate and the standard offer service average rate; (8) the third–party average residential rates broken out by supplier and the variance between each of these rates and the standard offer service average rate; (9) the third–party average general service nondemand rates broken out by supplier and the variance between each of these third–party rates and the standard offer service average rate; (10) the third–party average general service demand rates broken out by supplier and the variance between each of these third–party rates and the standard offer service average rate; (11) the third–party average large power demand rates broken out by supplier and the variance between each of these third–party rates and the standard offer service average rate; and (12) other pertinent information the Commission considers appropriate. This Act requires a third-party electric supplier to provide residential customers or small commercial customers with written notice of the pending renewal of a contract 90 and 30 days before the end of the contract term is scheduled to occur and provides regulations regarding electric supplier rates. It requires a third-party electric supplier to provide written confirmation within 15 business days of enrollment and written notification at least 15 days in advance of any changes to the customer’s rate. This Act requires a greater than majority vote for passage because § 28 of Article IV of the Delaware Constitution requires the affirmative vote of two-thirds of the members elected to each house of the General Assembly to give jurisdiction to inferior courts or justices of the peace of “such … misdemeanors as the General Assembly may from time to time … prescribe.”

Passed Jun 25, 2026 0 co-sponsors
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