Photo of Erin Zwiener
D Texas House · District 45 On the 2026 ballot

Rep. Erin Zwiener

Compare
Total votes
8,168
all sessions
Attendance
96%
329 missed
Near the chamber average
With party
95%
of cast votes
Higher than 78% of chamber peers
Bipartisan score
3%
crosses aisle rarely
Lower than 85% of chamber peers
Sponsored
814
bills & resolutions
Near the chamber average
Committees
4
assignments
814 bills and resolutions

Sponsored bills

Total
814
Primary
404
Co-sponsor
410
This page
814
matching current filters
Co-sponsor HB 107
Signed into law · Texas House · Co-sponsor
Relating to the establishment of the sickle cell disease registry.

Maddy summaryHB 107 establishes a statewide sickle cell disease registry under Texas Health and Safety Code Chapter 52B. It requires hospitals and other treatment facilities to submit patient data to the state health department, creating a centralized database of all sickle cell disease cases in Texas. The registry must include case records and additional relevant information to aid in treatment and research, with strict confidentiality protections for patients under federal privacy laws. The department will analyze the data, publish findings for medical professionals and the public, and submit annual reports to the legislature. This affects all Texas healthcare facilities treating sickle cell disease patients and ensures patient data is securely managed for medical advancement.

Signed into law Jun 20, 2025 1 co-sponsor
Co-sponsor SB 23
Signed into law · Texas Senate · Co-sponsor
Relating to an increase in the amount of the exemption from ad valorem taxation by a school district of the appraised value of the residence homestead of a person who is elderly or disabled and the protection of school districts against certain losses in local revenue.

Maddy summarySB 23 increases the school district homestead tax exemption for elderly (65+) or disabled homeowners from $10,000 to $60,000 of their home's appraised value. This directly affects eligible homeowners who qualify for the exemption and school districts that may lose local tax revenue due to the change. The bill requires the state to provide additional aid to school districts to offset revenue losses from the higher exemption, starting with the 2025-2026 school year. The state aid calculation compares current revenue to what would have been collected under the previous exemption amount. The bill was signed into law on June 16, 2025, and is now effective.

Signed into law Jun 16, 2025 1 co-sponsor
Co-sponsor SB 4
Signed into law · Texas Senate · Co-sponsor
Relating to an increase in the amount of the exemption of residence homesteads from ad valorem taxation by a school district and the protection of school districts against certain losses in local revenue.

Maddy summaryThis Texas bill (SB 4) increases the homestead exemption for school district property taxes from $100,000 to $140,000 per homeowner, directly affecting residential property owners. School districts will receive additional state aid to offset revenue losses from this exemption increase, calculated as the difference between current local revenue and what would have been available before the change. The compensation mechanism applies starting with the 2023-2024 school year for the initial exemption increase and will extend to future changes proposed for 2025. This ensures school districts maintain funding stability despite reduced local tax revenue from larger homestead exemptions.

Signed into law Jun 16, 2025 1 co-sponsor
Co-sponsor SB 2308
Signed into law · Texas Senate · Co-sponsor
Relating to the establishment of a consortium to conduct United States Food and Drug Administration's drug development clinical trials with ibogaine to secure the administration's approval of the medication's use for treatment of opioid use disorder, co-occurring substance use disorder, and any other neurological or mental health conditions for which ibogaine demonstrates efficacy and to the administration of that treatment.

Maddy summarySB 2308 establishes a Texas grant program to fund clinical trials of ibogaine with the U.S. Food and Drug Administration (FDA) for approval as a treatment for opioid use disorder, co-occurring substance use disorders, and other neurological or mental health conditions where ibogaine demonstrates efficacy. The program provides state funding to public-private partnerships conducting FDA drug development trials, targeting organizations with capacity to lead these trials and seek FDA approval. Eligible applicants must be for-profit, nonprofit, or public benefit entities capable of conducting the required trials and future research. This policy change directly supports the FDA approval process for ibogaine treatment, without authorizing its immediate use.

Signed into law Jun 11, 2025 1 co-sponsor
Co-sponsor HJR 7
Passed · Texas House · Co-sponsor
Proposing a constitutional amendment to dedicate a portion of the revenue derived from state sales and use taxes to the Texas water fund and to provide for the allocation and use of that revenue.

Maddy summaryHJR 7 proposes a constitutional amendment to dedicate a portion of Texas' state sales and use tax revenue to the Texas Water Fund. It would require that this dedicated revenue be allocated exclusively to water infrastructure projects, with new rules allowing temporary suspension during declared disasters. The bill would amend the state constitution to establish this dedicated funding stream, replacing current flexible allocation methods for water fund money. This proposal was reported adversely by the Senate Finance Committee with a 14-0 vote against in May 2025.

Passed Jun 2, 2025 1 co-sponsor
Primary HR 1469
Passed · Texas House · Lead sponsor
Commending the members of the PowerHouse Texas Energy Policy Fellowship Program for their service during the 89th Legislative Session.

Maddy summaryThis is a non-binding resolution commending six student interns in the PowerHouse Texas Energy Policy Fellowship Program for their service during the 89th Texas Legislative Session. It specifically recognizes their work as paid Capitol interns paired with state legislators, where they gained policy experience in energy innovation and sustainability. The resolution highlights each intern's academic background and placement (e.g., with State Rep. Todd Hunter, Sen. Nathan Johnson). As a ceremonial resolution, it has no legislative effect - it solely expresses appreciation for their contributions to the legislative process.

Passed Jun 1, 2025 0 co-sponsors
Primary HR 1477
Passed · Texas House · Lead sponsor
Congratulating Carol and Jeff Zwiener on their 40th wedding anniversary.

Maddy summaryThis is a ceremonial resolution (not a policy bill) adopted by the Texas House of Representatives on June 1, 2025. It formally congratulates Carol and Jeff Zwiener of Austin on their 40th wedding anniversary, recognizing their marriage since March 30, 1985, and highlighting their family, community involvement, and shared interests like gardening, UT sports, and outdoor activities. The resolution contains no policy changes, funding, or obligations - it is purely a symbolic gesture of appreciation.

Passed Jun 1, 2025 0 co-sponsors
Primary HR 1331
Passed · Texas House · Lead sponsor
Congratulating Adelie Donovan on being named the 2025 Hays County Youth Poet Laureate.

Maddy summaryThis is a ceremonial resolution (not a policy bill) congratulating Adelie Donovan, a Kyle high school student, on being named the 2025 Hays County Youth Poet Laureate. It formally recognizes her selection as the second annual winner of the local program, her poetry manuscript "Epitaph for My Fireflies" (which addressed mental health and adolescent experiences), and her $1,000 prize. The resolution, adopted by the Texas House of Representatives on June 1, 2025, extends congratulations and best wishes to Donovan without creating any new laws or funding. It directly affects only Adelie Donovan as a ceremonial acknowledgment of her achievement.

Passed Jun 1, 2025 0 co-sponsors
Primary HR 1335
Passed · Texas House · Lead sponsor
Commemorating the 20th annual Operation: Hats Off for Veterans BBQ Gala.

Maddy summaryThis resolution (HR 1335) is a ceremonial gesture by the Texas House of Representatives to commemorate the 20th annual Operation: Hats Off for Veterans BBQ Gala, scheduled for April 6, 2025. It recognizes the organization's two-decade work supporting veterans through scholarships (including the Higher Education Scholarship Fund and the MSG Jimmie Quintero Endowment) and its Courage to Connect initiative for veterans with PTSD. The resolution does not create new policy or funding but formally honors the event and the organization's efforts. It was adopted by the Texas House on June 1, 2025, and will be presented to the organization as a symbolic expression of support.

Passed Jun 1, 2025 0 co-sponsors
Primary HR 1330
Passed · Texas House · Lead sponsor
Congratulating Lexi Landrum of Dripping Springs High School on competing in swimming at the 2025 International School Sport Federation U15 Gymnasiade.

Maddy summaryHR 1330 is a symbolic resolution congratulating Lexi Landrum, a Dripping Springs High School freshman swimmer, for competing in the 2025 International School Sport Federation U15 Gymnasiade in Serbia. The resolution highlights her performances in multiple freestyle and backstroke events, relay contributions, and her role in helping her high school team win a district title. It does not create new laws or policies - it simply expresses the Texas House of Representatives' recognition of her athletic achievements. The resolution was adopted unanimously on June 1, 2025, and an official copy will be presented to Ms. Landrum.

Passed Jun 1, 2025 0 co-sponsors
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