republic-os/legislation/us/states/ca/20092010/ab-531.md

---
type: "Bill"
title: "Energy consumption data: disclosure."
description: "Existing law requires an owner or operator, on and after January 1, 2010, to disclose the United States Environmental Protection Agency's ENERGY STAR Portfolio Manager benchmarking data and rating to a prospective buyer, lessee of the entire building, or lender that would finance the entire building."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20092010"
identifier: "AB 531"
citation: "California AB 531 (20092010)"
classification: ["bill"]
subjects: ["Energy consumption data: disclosure."]
status: "enacted"
primary_sponsors: ["Saldana"]
version_count: 7
action_count: 28
vote_count: 6
first_action: "2009-02-25"
last_action: "2009-10-11"
source: "openstates"
source_identifier: "ocd-bill/d3472cc5-f6d6-44ef-9665-0251e9ab721d"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB531"
source_hash: "03ca0e0a3d1fcfc0eb8eb1243c5b708340a4c08bf5198c3a4f41013fe3e5f449"
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-ca"]
---

# California AB 531 (20092010) — Energy consumption data: disclosure.

Existing law requires an owner or operator, on and after January 1, 2010, to disclose the United States Environmental Protection Agency's ENERGY STAR Portfolio Manager benchmarking data and rating to a prospective buyer, lessee of the entire building, or lender that would finance the entire building.

## Version chain

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

1. **02/25/09 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB531&version=20090AB53199INT)
2. **04/13/09 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB531&version=20090AB53198AMD)
3. **04/23/09 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB531&version=20090AB53197AMD)
4. **06/11/09 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB531&version=20090AB53196AMD)
5. **10/11/09 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB531&version=20090AB53194CHP)
6. **AB531** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB531)
7. **09/04/09 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB531&version=20090AB53195ENR)

## Votes

- AB 531 SALDANA Assembly Third Reading — **pass** (pass) · lower
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- AB 531 SALDANA Concurrence in Senate Amendments — **pass** (pass) · lower
- Assembly 3rd Reading AB531 Saldana By Wright — **pass** (pass) · upper
- Do pass. — **pass** (pass) · lower
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper

## Sponsors

- Saldana — primary (person)

## Timeline

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

- **2009-02-25** Read first time. To print. `reading-1`
- **2009-02-26** From printer. May be heard in committee March 28.
- **2009-03-26** Referred to Com. on U. & C. `referral-committee`
- **2009-04-13** From committee chair, with author's amendments: Amend, and re-refer to Com. on U. & C. Read second time and amended. `amendment-introduction, reading-2, amendment-passage, reading-1`
- **2009-04-15** Re-referred to Com. on U. & C. `referral-committee`
- **2009-04-22** From committee: Amend, do pass as amended, and re-refer to Com. on APPR. (Ayes 15. Noes 0.) (April 20). `amendment-introduction, amendment-passage, committee-passage`
- **2009-04-23** Read second time and amended. `amendment-passage, reading-2, reading-1`
- **2009-04-23** (Corrected April 30.)
- **2009-04-27** Re-referred to Com. on APPR. `referral-committee`
- **2009-05-13** In committee: Set, first hearing. Referred to APPR. suspense file. `referral-committee`
- **2009-05-29** From committee: Do pass. (Ayes 17. Noes 0.) (May 28). `committee-passage-favorable, committee-passage`
- **2009-05-29** Read second time. To third reading. `reading-2, reading-1`
- **2009-06-01** Read third time, passed, and to Senate. (Ayes 77. Noes 1. Page 1864.) `reading-3, passage, reading-1`
- **2009-06-02** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2009-06-11** Referred to Com. on E., U., & C. `referral-committee`
- **2009-06-11** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on E., U., & C. `amendment-introduction, reading-2, amendment-passage, referral-committee, reading-1`
- **2009-06-29** In committee: Hearing postponed by committee.
- **2009-07-01** In committee: Hearing postponed by committee.
- **2009-07-08** From committee: Do pass, and re-refer to Com. on APPR. Re-referred. (Ayes 11. Noes 0.) (July 7). `committee-passage-favorable, committee-passage`
- **2009-07-23** From committee: Be placed on second reading file pursuant to Senate Rule 28.8. `committee-passage`
- **2009-08-17** Read second time. To third reading. `reading-2, reading-1`
- **2009-08-31** Read third time, passed, and to Assembly. (Ayes 35. Noes 0. Page 2012.) `reading-3, passage, reading-1`
- **2009-09-01** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 3 pursuant to Assembly Rule 77.
- **2009-09-02** Assembly Rule 77 suspended. (Page 2889.)
- **2009-09-02** Senate amendments concurred in. To enrollment. (Ayes 78. Noes 0. Page 2892.) `amendment-passage, committee-passage-favorable`
- **2009-09-08** Enrolled and to the Governor at 2:45 p.m.
- **2009-10-11** Approved by the Governor. `executive-signature`
- **2009-10-11** Chaptered by Secretary of State - Chapter 323, Statutes of 2009.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d3472cc5-f6d6-44ef-9665-0251e9ab721d`. Confidence: reported (aggregated from official California legislature records).