---
type: "Bill"
title: "Outdoor Lighting - Guidance and Use of State Funds"
description: "Outdoor Lighting - Guidance and Use of State Funds"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2025"
identifier: "HB 452"
citation: "Maryland HB 452 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Guyton", "Kaiser", "Lehman", "Patterson", "Ruth", "Stonko", "Wilkins", "Wolek"]
version_count: 3
action_count: 14
vote_count: 2
first_action: "2025-01-16"
last_action: "2025-05-06"
source: "openstates"
source_identifier: "ocd-bill/45ba0672-7847-4313-b7f7-d7f36b6ffa2d"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0452?ys=2025RS&search=True"
source_hash: "76813590a25fd000898932ed4f48b3e88ca3112d791f6463e8df1b9d05ba7280"
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 452 (2025) — Outdoor Lighting - Guidance and Use of State Funds

## Version chain

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

1. **Chapter - Outdoor Lighting - Guidance and Use of State Funds** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/Chapters_noln/CH_389_hb0452t.pdf)
2. **First - Outdoor Lighting - Guidance and Use of State Funds** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb0452f.pdf)
3. **Third - Outdoor Lighting - Guidance and Use of State Funds** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb0452t.pdf)

## Votes

- On Third Reading — **36–11** (pass) · upper
- On Third Reading — **115–22** (pass) · lower

## Sponsors

- Guyton — primary (person)
- Kaiser — primary (person)
- Lehman — primary (person)
- Patterson — primary (person)
- Ruth — primary (person)
- Stonko — primary (person)
- Wilkins — primary (person)
- Wolek — primary (person)

## Timeline

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

- **2025-01-16** First Reading Environment and Transportation `referral-committee`
- **2025-01-20** Hearing 2/12 at 1:00 p.m.
- **2025-03-14** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2025-03-14** Favorable with Amendments { `committee-passage-favorable`
- **2025-03-14** Second Reading Passed with Amendments
- **2025-03-17** Third Reading Passed `passage`
- **2025-03-17** Referred Education, Energy, and the Environment `referral-committee`
- **2025-03-18** Hearing 3/25 at 1:00 p.m.
- **2025-04-02** Favorable Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2025-04-02** Favorable Adopted `committee-passage-favorable`
- **2025-04-02** Second Reading Passed
- **2025-04-03** Third Reading Passed `passage`
- **2025-04-04** Returned Passed
- **2025-05-06** Approved by the Governor - Chapter 389 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/45ba0672-7847-4313-b7f7-d7f36b6ffa2d`. Confidence: reported (aggregated from official Maryland legislature records).