# Hawaii HB 1624: PROPOSING AN AMENDMENT TO THE CONSTITUTION OF THE STATE OF HAWAII TO LEGALIZE THE ADULT USE OF CANNABIS.

Hawaii HB 1624, PROPOSING AN AMENDMENT TO THE CONSTITUTION OF THE STATE OF HAWAII TO LEGALIZE THE ADULT USE OF CANNABIS., is a 2025–2026 Regular Session (Year 2) House bill sponsored by David A. Tarnas (Democratic); status failed, last action 2026-01-26 (Referred to JHA/CPC, FIN, referral sheet 1) (as of 2026-11-01).

- Canonical: https://policyrisk.com/state-bill/HI-HB1624-2026
- As of: 2026-11-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Hawaii HB 1624
- State: Hawaii
- Session: 2025–2026 Regular Session (Year 2)
- Title: PROPOSING AN AMENDMENT TO THE CONSTITUTION OF THE STATE OF HAWAII TO LEGALIZE THE ADULT USE OF CANNABIS.
- Status: failed
- Chamber: House
- Introduced: 2026-01-20
- Last action: 2026-01-26, Referred to JHA/CPC, FIN, referral sheet 1
- Sponsor: David A. Tarnas (Democratic)
- Cosponsors: 13
- Subjects: Constitutional Amendment, Cannabis, Legalization, Adult Use, JHA/CPC, FIN
- Touches household money: no
- Economic provisions PRIA read: 0

## Summary

Proposes a constitutional amendment to authorize individuals aged twenty-one and older to use and possess a personal-use amount of cannabis. Requires the Legislature to enact laws governing the use, manufacture, distribution, sale, possession, regulation, and taxation of cannabis within the State.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: David A. Tarnas (Democratic), House
- Cosponsor: Terez Amato (Democratic), House
- Cosponsor: Della Au Belatti (Democratic), House
- Cosponsor: Luke A. Evslin (Democratic), House
- Cosponsor: Tina Nakada Grandinetti (Democratic), House
- Cosponsor: Greggor Ilagan (Democratic), House
- Cosponsor: Kim Coco Iwamoto (Democratic), House
- Cosponsor: Jeanne Kapela (Democratic), House
- Cosponsor: Matthias Kusch (Democratic), House
- Cosponsor: Nicole E. Lowen (Democratic), House
- Cosponsor: Lisa Marten (Democratic), House
- Cosponsor: Amy A. Perruso (Democratic), House
- Cosponsor: Mahina Poepoe (Democratic), House
- Cosponsor: Gregg Takayama (Democratic), House

## Actions (3)

- 2026-01-26: Referred to JHA/CPC, FIN, referral sheet 1 (House)
- 2026-01-21: Introduced and Pass First Reading. (House)
- 2026-01-20: Prefiled. (House)

## Bill text

- Original: [HTML](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB1624_.HTM), [PDF](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB1624_.pdf)

## Related bills

- SB 847: RELATING TO PSYCHOLOGISTS. (became law)
- SB 2338: RELATING TO HOUSING. (signed)
- HB 2344: RELATING TO SCHOOL FACILITIES. (signed)
- HB 2023: RELATING TO TRANSPORTATION. (signed)
- HB 2021: RELATING TO TRANSPORTATION. (signed)
- SB 2964: RELATING TO PROPERTY INSURANCE. (signed)

## Sources
- [Original (HTML)](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB1624_.HTM)
- [Original (PDF)](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB1624_.pdf)

## Related
- [SB 847: RELATING TO PSYCHOLOGISTS.](https://policyrisk.com/state-bill/HI-SB847-2026)
- [SB 2338: RELATING TO HOUSING.](https://policyrisk.com/state-bill/HI-SB2338-2026)
- [HB 2344: RELATING TO SCHOOL FACILITIES.](https://policyrisk.com/state-bill/HI-HB2344-2026)
- [HB 2023: RELATING TO TRANSPORTATION.](https://policyrisk.com/state-bill/HI-HB2023-2026)
- [HB 2021: RELATING TO TRANSPORTATION.](https://policyrisk.com/state-bill/HI-HB2021-2026)
- [SB 2964: RELATING TO PROPERTY INSURANCE.](https://policyrisk.com/state-bill/HI-SB2964-2026)
- [Hawaii bills](https://policyrisk.com/states/hawaii/bills)
- [Hawaii state hub](https://policyrisk.com/states/hawaii)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/HI-HB1624-2026 (as of 2026-11-01).