---
type: "Bill"
title: "Property tax: exclusion from newly constructed: active solar energy system."
description: "Property tax: exclusion from newly constructed: active solar energy system."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20072008"
identifier: "AB 1451"
citation: "California AB 1451 (20072008)"
classification: ["bill"]
subjects: ["Property tax: exclusion from newly constructed: active solar energy system."]
status: "enacted"
primary_sponsors: ["Leno"]
version_count: 10
action_count: 29
vote_count: 8
first_action: "2007-02-23"
last_action: "2008-09-28"
source: "openstates"
source_identifier: "ocd-bill/017dab51-e5b9-47d6-9ec4-d34159a36755"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200720080AB1451"
source_hash: "d09b1e24cb6d4f299af09a868c5e6df3f35276a23ba3abc8c1fb6dd66e45244f"
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 1451 (20072008) — Property tax: exclusion from newly constructed: active solar energy system.

## Version chain

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

1. **02/23/07 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1451&version=20070AB145199INT)
2. **01/07/08 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1451&version=20070AB145194AMD)
3. **05/08/07 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1451&version=20070AB145198AMD)
4. **05/16/07 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1451&version=20070AB145197AMD)
5. **06/04/07 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1451&version=20070AB145196AMD)
6. **08/13/08 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1451&version=20070AB145193AMD)
7. **08/28/07 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1451&version=20070AB145195AMD)
8. **09/28/08 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1451&version=20070AB145191CHP)
9. **AB1451** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200720080AB1451)
10. **08/21/08 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB1451&version=20070AB145192ENR)

## Votes

- AB 1451 LENO Assembly Third Reading — **pass** (pass) · lower
- Placed on Appropriations Suspense file. — **pass** (pass) · upper
- Do pass as amended. — **pass** (pass) · upper
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Do pass as amended. — **pass** (pass) · lower
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- Assembly 3rd Reading AB1451 Leno — **pass** (pass) · upper
- AB 1451 LENO Concurrence in Senate Amendments — **pass** (pass) · lower

## Sponsors

- Leno — primary (person)
- Beall — coauthor (person)
- DeSaulnier — coauthor (person)
- Florez — coauthor (person)
- Garcia — coauthor (person)
- Garrick — coauthor (person)
- Horton — coauthor (person)
- Jeffries — coauthor (person)
- Laird — coauthor (person)
- Levine — coauthor (person)
- Lieu — coauthor (person)
- Portantino — coauthor (person)
- Romero — coauthor (person)

## Timeline

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

- **2007-02-23** Introduced. To print. `introduction`
- **2007-02-25** From printer. May be heard in committee March 27.
- **2007-02-26** Read first time. `reading-1`
- **2007-03-29** Referred to Standing Committee on Revenue and Taxation. `referral-committee`
- **2007-05-08** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Revenue and Taxation. Read second time and amended. `reading-1, reading-2, amendment-passage, amendment-introduction, referral-committee`
- **2007-05-09** Re-referred to Standing Committee on Revenue and Taxation. `referral-committee`
- **2007-05-11** (Corrected May 10.)
- **2007-05-15** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 9. Noes 0.) (May 14). `amendment-introduction, committee-passage, amendment-passage, referral-committee`
- **2007-05-16** Read second time and amended. `reading-1, reading-2, amendment-passage`
- **2007-05-17** Re-referred to Standing Committee on Appropriations. `referral-committee`
- **2007-06-04** From committee: Amend, and do pass as amended. (Ayes 17. Noes 0.) (May 31). Read second time and amended. Ordered returned to second reading. `reading-1, reading-2, amendment-introduction, committee-passage, amendment-passage`
- **2007-06-05** Read second time. To third reading. `reading-1, reading-2`
- **2007-06-06** Read third time, passed, and to Senate. (Ayes 79. Noes 0. Page 2001.) `passage, reading-1, reading-3`
- **2007-06-07** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2007-06-21** Referred to Standing Committee on Revenue and Taxation. `referral-committee`
- **2007-08-20** In committee: Hearing postponed by committee.
- **2007-08-28** In committee: Set, first hearing. Testimony taken. Further hearing to be set.
- **2007-08-28** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Revenue and Taxation. `reading-1, reading-2, amendment-introduction, referral-committee, amendment-passage`
- **2008-01-07** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Revenue and Taxation. `reading-1, reading-2, amendment-introduction, referral-committee, amendment-passage`
- **2008-06-26** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 6. Noes 1.) . `committee-passage, committee-passage-favorable, referral-committee`
- **2008-08-04** In committee: Placed on Appropriations suspense file.
- **2008-08-12** From committee: Amend, and do pass as amended. (Ayes 15. Noes 0.) . `amendment-introduction, committee-passage, amendment-passage`
- **2008-08-13** Read second time, amended, and to third reading. `reading-1, reading-2, amendment-passage`
- **2008-08-14** Read third time, passed, and to Assembly. (Ayes 37. Noes 1. Page 5053.) `passage, reading-1, reading-3`
- **2008-08-14** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 16 pursuant to Assembly Rule 77.
- **2008-08-18** Senate amendments concurred in. To enrollment. (Ayes 77. Noes 1. Page 6584.) `committee-passage-favorable, amendment-passage`
- **2008-09-17** Enrolled and to the Governor at 2:45 p.m.
- **2008-09-28** Approved by the Governor. `executive-signature`
- **2008-09-28** Chaptered by Secretary of State - Chapter 538, Statutes of 2008.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/017dab51-e5b9-47d6-9ec4-d34159a36755`. Confidence: reported (aggregated from official California legislature records).