---
type: "Bill"
title: "accessory dwelling units; requirements."
description: "accessory dwelling units; requirements."
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "56th-2nd-regular"
identifier: "HB 2720"
citation: "Arizona HB 2720 (56th-2nd-regular)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Michael Carbone"]
version_count: 7
action_count: 17
vote_count: 9
first_action: "2024-02-05"
last_action: "2024-05-21"
source: "openstates"
source_identifier: "ocd-bill/53f9a767-b026-4e17-9339-81acf215f260"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/81315?SessionId=128"
source_hash: "2aacebd4757e92f7f181ebd517d2985fc1c24d61ac6ebfe2f96e6e7cbc34e4ce"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-az"]
---

# Arizona HB 2720 (56th-2nd-regular) — accessory dwelling units; requirements.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Chaptered Version** (committee substitute) — [source](https://www.azleg.gov/legtext/56leg/2r/laws/0196.pdf)
2. **House Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/56leg/2r/bills/hb2720h.pdf)
3. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/56leg/2r/bills/hb2720p.pdf)
4. **SENATE - Finance and Commerce** (committee substitute) — [source](https://www.azleg.gov/legtext/56leg/2r/adopted/s.2720fico.pdf)
5. **SENATE - Hernandez flr amendment (ref Bill) adopted** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/519533)
6. **SENATE - Shamp flr amendment (ref Bill) adopted** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/519534)
7. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/56leg/2r/bills/hb2720s.pdf)

## Votes

- Passed — **46–14** (pass) · lower
- Retained on the Calendar — **0–0** (fail) · lower
- Passed — **35–22** (pass) · lower
- do pass — **0–0** (fail) · lower
- Passed — **17–11** (pass) · upper
- Passed — **0–0** (pass) · lower
- Retained on the Calendar — **0–0** (fail) · lower
- Retained on the Calendar — **0–0** (fail) · lower
- do pass amended — **0–0** (fail) · upper

## Sponsors

- Michael Carbone — primary (person)
- Analise Ortiz — cosponsor (person)
- Anna Hernandez — cosponsor (person)
- Austin Smith — cosponsor (person)
- Brian Fernandez — cosponsor (person)
- Cesar Aguilar — cosponsor (person)
- Consuelo Hernandez — cosponsor (person)
- David C. Farnsworth — cosponsor (person)
- David Gowan — cosponsor (person)
- David L Cook — cosponsor (person)
- David Livingston — cosponsor (person)
- David Marshall, Sr. — cosponsor (person)
- Janae Shamp — cosponsor (person)
- Judy Schwiebert — cosponsor (person)
- Julie Willoughby — cosponsor (person)
- Justin Wilmeth — cosponsor (person)
- Laurin Hendrix — cosponsor (person)
- Leo Biasiucci — cosponsor (person)
- Marcelino Quiñonez — cosponsor (person)
- Michele Peña — cosponsor (person)
- Sonny Borrelli — cosponsor (person)
- Travis Grantham — cosponsor (person)
- Warren Petersen — cosponsor (person)
- Wendy Rogers — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2024-02-05** House First Reading. `reading-1`
- **2024-02-06** House Second Reading `reading-2`
- **2024-02-14** DP `committee-passage`
- **2024-02-19** House Placed on Consent Calendar
- **2024-02-29** DP `passage`
- **2024-03-04** PASSED `passage, reading-3`
- **2024-03-04** Transmit to Senate
- **2024-03-07** Senate First Reading `reading-1`
- **2024-03-11** Senate Second Reading `reading-2`
- **2024-03-18** DPA `amendment-passage`
- **2024-05-08** DPA `amendment-passage`
- **2024-05-08** PASSED `passage, reading-3`
- **2024-05-08** Transmit to House
- **2024-05-15** PASSED `passage`
- **2024-05-15** PASSED `passage`
- **2024-05-15** Transmit to Governor `executive-receipt`
- **2024-05-21** Signed by Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/53f9a767-b026-4e17-9339-81acf215f260`. Confidence: reported (aggregated from official Arizona legislature records).