Connecticut State Senate
Senator Cathy Osten
| Seat | Senate District 19 |
|---|---|
| Party | Democratic |
| Capitol office | Room 2700 · Legislative Office Building |
| Mailing address | Room 2700, Legislative Office Building 300 Capitol Ave., Hartford, CT 06106 |
| Capitol phone | 860-240-0579 |
| Write to | osten@senatedems.ct.gov (official address) |
| Tenure | Serving since January 9, 2013 |
Committees 7
- Joint Appropriations Committee Co-chair joint
- Joint Special Education Committee Vice chair joint
- Joint General Law Committee joint
- Joint Legislative Management Committee joint
- Joint Legislative Regulation Review Committee joint
- Joint Transportation Committee joint
- Joint Veterans' and Military Affairs Committee joint
Bills, 2026 session 56 as principal author · 0 as coauthor
- MeasureTitleStatusMomentum
- SB 4An act concerning consumer privacy and protection.Enacted100
- SB 5An act concerning online safety.Enacted100
- SB 9An act supporting commuters and microtransit services and concerning public transportation.Enacted100
- SB 1An act making adjustments to the state budget for the biennium ending june 30, 2027, making deficiency appropriations…Enacted100
- SB 2An act supporting local commerce.Passed Senate committee49
- HB 5470An act concerning hybrid school buses.Passed House of Representatives committee46
- SB 6An act concerning supports for children and families.Passed Senate committee40
- SB 7An act concerning educational equity.Passed Senate committee39
- SB 8An act supporting graduate students in the state.Passed Senate committee38
- SB 129An act increasing funding for dairy farmers.In Senate committee21
- SB 143An act entitling towns to full reimbursement under the excess cost grant.In Senate committee21
- SB 165An act authorizing bonds of the state for the expansion of bill library in the town of ledyard.In Senate committee21
- SB 174An act authorizing bonds of the state for a planning grant to expand and install sewer lines in the town of ledyard.In Senate committee21
- SB 189An act eliminating the qualifying income thresholds for the personal income tax deductions for social security benefits.In Senate committee21
- SB 108An act authorizing bonds of the state to improve dams, culverts, bridges and waterways in the town of ledyard.In Senate committee20
All 56 bills as principal author ›
Bills and sponsors: Open States bulk data (public domain dedication), 2026-10-public.pgdump; status is read from the official actions. About the momentum score
Effectiveness 2026 session
11th percentile
| Bills & joint resolutions authored | 47 |
|---|---|
| … passed committee / chamber / both | 8 / 4 / 4 |
| … became law | 4 |
| Carried in the other chamber (became law) | 9 (0) |
| Points vs. Senate majority average | 44 ÷ 107.16 = 0.41 |
| Most-authored topics | Cities, towns & counties (22), Schools (K–12) (8), Budget & taxes (5) |
Senate rankings · How the score works. A count of bill progress, not a judgment of the member's work.
Closest allies co-authorship, 2025–26
Most bills written together
- Larry Pemberton DHouse 139 20
- Derell Wilson DHouse 46 13
- Saud Anwar DSenate 3 11
- Martha Marx DSenate 20 10
- Anthony Nolan DHouse 39 9
- Nick Gauthier DHouse 38 9
- Nick Menapace DHouse 37 9
- Joan Hartley DSenate 15 8
- Julie Kushner DSenate 24 8
- M.D. Rahman DSenate 4 8
“Written together” = 2026 session bills and joint resolutions on which both are principal author or coauthor (measures with more than 60 sponsors are left out). Sharing bills does not imply a personal or political alliance.
District 19
- Counties
- Hartford, New London, Tolland
- Find your district
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- House members sharing a county
- Matt Ritter (1), Minnie Gonzalez (3), Julio Concepción (4), Maryam Khan (5), Jimmy Sánchez (6), Joshua Hall (7), Tim Ackert (8), Jason Rojas (9), Henry Genga (10), Patrick Biggins (11), Geoff Luxenberg (12), Jason Doucette (13), Tom Delnicki (14), Bobby Gibson (15), Melissa Osborne (16), Eleni DeGraw (17), Jill Gilchrest (18), Tammy Exum (19), Kate Farrar (20), Mike Demicco (21), Rebecca Martinez (22), Devin Carney (23), Manny Sanchez (24), Iris Sánchez (25), Dave DeFronzo (26), Gary Turco (27), Amy Morrin Bello (28), Kerry Wood (29), Donna Veach (30), Jill Barry (31), Irene Haines (34), Nick Menapace (37), Nick Gauthier (38), Anthony Nolan (39), Dan Gaiewski (40), Aundré Bumgardner (41), Greg Howard (43), Brian Lanoue (45), Derell Wilson (46), Doug Dubitsky (47), Mark DeCaprio (48), Pat Boyd (50), Kurt Vail (52), Tammy Nuccio (53), Gregg Haddad (54), Steve Weir (55), Kevin Brown (56), Jaime Foster (57), John Santanella (58), Carol Hall (59), Jane Garibay (60), Tami Zawistowski (61), Mark Anderson (62), John Piscopo (76), Cara Pavalock-D'Amato (77), Joe Hoxha (78), Mary Fortier (79), Gale Mastrofrancesco (80), Chris Poulos (81), Jack Fazzino (83), Larry Pemberton (139)
Official district map: see the official Senate page.
Lobbyist reports naming this member 2025–2026
No lobbyist expenditure reports naming this member are in our data.
Registered lobbyists and the organizations they represent are on our sister site, the Connecticut Lobby Guide.
A reported expenditure is a legal, disclosed activity and does not imply wrongdoing.
Source
Copied from https://cga.ct.gov/asp/CGABillStatus/CGAMemberBills.asp?dist_code=%27S19%27&dist_name=Osten,%20Catherine%20A. on October 31, 2026, through Open States people data (CC0); member counts checked against official seat counts. Not endorsed by the Connecticut State Senate.