---
type: "Bill"
title: "Natural Resources - Greenspace Equity Program - Establishment"
description: "Natural Resources - Greenspace Equity Program - Establishment"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2023"
identifier: "HB 503"
citation: "Maryland HB 503 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Addison", "Allen", "Boyce", "Bridges", "Edelson", "Foley", "Guyton", "Healey", "Holmes", "J. Long", "Lehman", "Love", "Ruth", "Smith", "Stein", "Stewart", "Terrasa", "Ziegler"]
version_count: 3
action_count: 14
vote_count: 0
first_action: "2023-01-30"
last_action: "2023-05-08"
source: "openstates"
source_identifier: "ocd-bill/6d0af6d3-4113-4ab5-a4ee-a0de9604a191"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0503?ys=2023RS&search=True"
source_hash: "aa004aaa04c45b6052feeeb090c3a29127c21f80363e47180a389cb495ee3499"
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 503 (2023) — Natural Resources - Greenspace Equity Program - Establishment

## Version chain

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

1. **Chapter - Natural Resources - Greenspace Equity Program - Establishment** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/Chapters_noln/CH_487_hb0503t.pdf)
2. **First - Natural Resources - Greenspace Equity Program - Establishment** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0503f.pdf)
3. **Third - Natural Resources - Greenspace Equity Program - Establishment** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0503t.pdf)

## Sponsors

- Addison — primary (person)
- Allen — primary (person)
- Boyce — primary (person)
- Bridges — primary (person)
- Edelson — primary (person)
- Foley — primary (person)
- Guyton — primary (person)
- Healey — primary (person)
- Holmes — primary (person)
- J. Long — primary (person)
- Lehman — primary (person)
- Love — primary (person)
- Ruth — primary (person)
- Smith — primary (person)
- Stein — primary (person)
- Stewart — primary (person)
- Terrasa — primary (person)
- Ziegler — primary (person)

## Timeline

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

- **2023-01-30** First Reading Environment and Transportation `referral-committee`
- **2023-02-01** Hearing 2/17 at 1:00 p.m.
- **2023-03-16** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2023-03-16** Favorable with Amendments { `committee-passage-favorable`
- **2023-03-16** Second Reading Passed with Amendments
- **2023-03-18** Third Reading Passed `passage`
- **2023-03-20** Referred Education, Energy, and the Environment Budget and Taxation `referral-committee`
- **2023-03-21** Hearing 3/30 at 1:00 p.m. (Education, Energy, and the Environment)
- **2023-04-07** Favorable Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2023-04-07** Favorable Adopted `committee-passage-favorable`
- **2023-04-07** Second Reading Passed
- **2023-04-10** Third Reading Passed `passage`
- **2023-04-10** Returned Passed
- **2023-05-08** Approved by the Governor - Chapter 487 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6d0af6d3-4113-4ab5-a4ee-a0de9604a191`. Confidence: reported (aggregated from official Maryland legislature records).