---
type: "Bill"
title: "Environment - Permit Applications for New Buildings - Notice (Large Buildings for Tomorrow Act)"
description: "Environment - Permit Applications for New Buildings - Notice (Large Buildings for Tomorrow Act)"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2026"
identifier: "HB 870"
citation: "Maryland HB 870 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Behler", "Boafo", "Boyce", "Foley", "J. Long", "Korman", "Lewis", "Stein"]
version_count: 3
action_count: 14
vote_count: 2
first_action: "2026-02-04"
last_action: "2026-05-12"
source: "openstates"
source_identifier: "ocd-bill/bab5f95a-8047-4cd1-a8d8-d83060995de7"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0870?ys=2026RS"
source_hash: "842f096695139f2575135a8463a7043c7bdd5a4aee6e9d3d7dafe200292d80a6"
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 870 (2026) — Environment - Permit Applications for New Buildings - Notice (Large Buildings for Tomorrow Act)

## Version chain

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

1. **Chapter - Environment - Permit Applications for New Buildings - Notice (Large Buildings for Tomorrow Act)** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/Chapters_noln/CH_412_hb0870t.pdf)
2. **First - Maryland Building Performance Standards - Energy Conservation Requirements (Large Buildings for Tomorrow Act)** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/hb/hb0870f.pdf)
3. **Third - Environment - Permit Applications for New Buildings - Notice (Large Buildings for Tomorrow Act)** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/hb/hb0870t.pdf)

## Votes

- On Third Reading — **38–9** (pass) · upper
- On Third Reading — **92–37** (pass) · lower

## Sponsors

- Behler — primary (person)
- Boafo — primary (person)
- Boyce — primary (person)
- Foley — primary (person)
- J. Long — primary (person)
- Korman — primary (person)
- Lewis — primary (person)
- Stein — primary (person)

## Timeline

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

- **2026-02-04** First Reading Environment and Transportation `referral-committee`
- **2026-02-05** Hearing 2/25 at 1:00 p.m.
- **2026-03-19** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2026-03-19** Favorable with Amendments { `committee-passage-favorable`
- **2026-03-19** Second Reading Passed with Amendments
- **2026-03-19** Third Reading Passed `passage`
- **2026-03-20** Referred Education, Energy, and the Environment `referral-committee`
- **2026-03-20** Hearing 3/31 at 1:00 p.m.
- **2026-04-09** Favorable Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2026-04-09** Favorable Adopted `committee-passage-favorable`
- **2026-04-09** Second Reading Passed
- **2026-04-13** Third Reading Passed `passage`
- **2026-04-13** Returned Passed
- **2026-05-12** Approved by the Governor - Chapter 412 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/bab5f95a-8047-4cd1-a8d8-d83060995de7`. Confidence: reported (aggregated from official Maryland legislature records).