---
type: "Bill"
title: "Chesapeake and Atlantic Coastal Bays Critical Area Protection Program – Climate, Equity, and Administrative Provisions"
description: "Chesapeake and Atlantic Coastal Bays Critical Area Protection Program – Climate, Equity, and Administrative Provisions"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2024"
identifier: "HB 233"
citation: "Maryland HB 233 (2024)"
classification: ["bill"]
subjects: ["A"]
status: "enacted"
primary_sponsors: ["Critical Area Commission"]
version_count: 4
action_count: 16
vote_count: 3
first_action: "2023-09-15"
last_action: "2024-05-09"
source: "openstates"
source_identifier: "ocd-bill/4b7f9739-cbab-4cac-88aa-c63725f4b300"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0233?ys=2024RS&search=True"
source_hash: "17db80f44f51d9d16c22589c8a3967c70e7d67c66f87a583aff7119dbddedc40"
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-md"]
---

# Maryland HB 233 (2024) — Chesapeake and Atlantic Coastal Bays Critical Area Protection Program – Climate, Equity, and Administrative Provisions

## Version chain

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

1. **Chapter - Chesapeake and Atlantic Coastal Bays Critical Area Protection Program – Climate, Equity, and Administrative Provisions** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/Chapters_noln/CH_424_hb0233e.pdf)
2. **Enrolled - Chesapeake and Atlantic Coastal Bays Critical Area Protection Program – Climate, Equity, and Administrative Provisions** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/hb/hb0233e.pdf)
3. **First - Chesapeake and Atlantic Coastal Bays Critical Area Protection Program – Climate, Equity, and Administrative Provisions** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/hb/hb0233f.pdf)
4. **Third - Chesapeake and Atlantic Coastal Bays Critical Area Protection Program – Climate, Equity, and Administrative Provisions** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/hb/hb0233t.pdf)

## Votes

- On Third Reading (Amend) — **36–7** (pass) · upper
- On Third Reading — **122–12** (pass) · lower
- On Third Reading and Final Passage (Hse concurred) — **114–15** (pass) · lower

## Sponsors

- Chair, Environment and Transportation Committee — primary (organization)
- Critical Area Commission — primary (person)

## Timeline

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

- **2023-09-15** Pre-filed `introduction`
- **2024-01-10** First Reading Environment and Transportation `referral-committee`
- **2024-01-10** Hearing 2/07 at 2:30 p.m.
- **2024-03-13** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2024-03-13** Favorable with Amendments { `committee-passage-favorable`
- **2024-03-13** Second Reading Passed with Amendments
- **2024-03-14** Third Reading Passed `passage`
- **2024-03-14** Referred Education, Energy, and the Environment `referral-committee`
- **2024-04-04** Favorable with Amendments Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2024-04-04** Favorable with Amendments { `committee-passage-favorable`
- **2024-04-04** Second Reading Passed with Amendments
- **2024-04-05** Third Reading Passed `passage`
- **2024-04-06** House Concurs Senate Amendments
- **2024-04-06** Third Reading Passed `passage`
- **2024-04-06** Passed Enrolled
- **2024-05-09** Approved by the Governor - Chapter 424 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/4b7f9739-cbab-4cac-88aa-c63725f4b300`. Confidence: reported (aggregated from official Maryland legislature records).