Proposition 43 — Two-thirds vote for local special taxes proposed by citizens

Current as of October 19, 2026 · voting-clarity.org

November 3, 2026 California ballot. AI-generated analysis. Your sample ballot and official voter guide are the official documents; the links below let you check each claim. This page explains what is on the ballot; it is not legal advice.

Voting Clarity's research is done by Claude, an AI made by Anthropic. Anthropic gave no money to either side of this measure [1].

Summary

Prop 43 would require two-thirds of the votes cast, instead of more than half, to pass any new, extended or higher special tax (a local tax set aside for a specific purpose) proposed by voter petition, starting January 1, 2027 [2]. It would also ban any local government, including voters using a petition, from imposing a tax on real estate based on its value (an "ad valorem" tax, figured as a percentage of a property's assessed value, like the regular property tax), with one exception; this ban has no start date [3].

Special taxes that a city council or board puts on the ballot already need two-thirds, so those do not change [4]. The official title and summary and the Legislative Analyst's Office (LAO, the Legislature's nonpartisan fiscal and policy adviser) describe only the two-thirds rule, not the real-estate ban [5][6]. The LAO says the "actual revenue impact is unknown" [6]. Open question: whether the ban reaches property taxes that repay voter-approved local bonds; the text does not mention bonds [7].

For: the ballot-argument signers, Robert Gutierrez (president, California Taxpayers Association), Robert Rivinius (president, Family Business Association of California) and Julian Canete (president, California Hispanic Chambers of Commerce) [8]; and the largest Yes donor, the California Business Roundtable Issues Political Action Committee (PAC), about $10 million through October 16, 2026 [9].

Against: the ballot-argument signers, Darrell Roberts (president, California Professional Firefighters), Chris Harkins (executive director, Nurse Alliance of SEIU California; SEIU is the Service Employees International Union, a labor union) and Adam Weinberger (president, California School Employees Association) [8]; and the largest No donor, the SEIU California State Council For Working People, about $1.5 million as of October 14, 2026 [10].

Your Vote

YES — From January 1, 2027, citizen-proposed local special taxes need two-thirds of the votes cast. No local government, including by petition, could impose taxes on real estate based on its value, with one exception [2][3].
NO — Citizen-proposed local special taxes can still pass with more than half of the votes cast, as courts now allow. The real-estate-value ban is not added [6][3].

This is not a double negative. The Legislature put this change to the state Constitution on the ballot as Assembly Constitutional Amendment (ACA) 22. It passes if more than half of the votes cast on it are YES [11][5].

Today vs. if it passes

What	Today	If it passes	Effect
Special tax proposed by voter petition	More than half of votes cast, per court decisions [6]	Two-thirds, from Jan. 1, 2027 [2]	Harder to pass: about 66.7% yes, not 50%+
Special tax put on ballot by council or board	Two-thirds [4][12]	Same	No change
Tax on real estate based on its value	Constitution already bars local governments; courts read it as not limiting initiatives [13]	No local government or petition may impose one, with one exception [3]	Voters lose the petition route; little change on paper for governments
Taxes repaying voter-approved bonds	Allowed above Prop 13's 1% cap [14]	Text silent on bonds [7]	Unknown; no source reviewed answers it
Taxes already approved	In force	Not expressly voided [7][15]	No change; petition renewals and increases need two-thirds [15]
General and state taxes	General: more than half; state: not local	"Local government" only [2][16]	No change
Local revenue	n/a	LAO: "could be lower in the future" [6]	Less for programs such taxes would fund; less owed by payers

In the law, but not in the official summary

These items are not in the official title and summary [5] or the LAO's analysis [6].

Real-estate-value tax ban (part (b)). No local government could impose taxes on real estate based on its value, including taxes voters propose by petition, with one exception set out elsewhere in the Constitution [3]. What this means: voters could not use a petition for such a tax. The Legislative Counsel's Digest (the Legislature's neutral bill summary) says the Constitution already bars local governments from these taxes and the measure would extend the bar to initiatives [13].
No start date for part (b). What this means: the text does not say when it applies. Whether it applies when the amendment takes effect, the fifth day after the vote is certified [11], is not answered by any source reviewed.

Who is affected and who is not

Affected: citizen-initiated special taxes of cities, counties and districts, including renewals and increases, where one law firm expects the "greatest impact" [15]. Not affected: taxes already approved, general taxes, state taxes.

Key Questions Answered

Does the label match? Partly. The official title matches the two-thirds rule [5]. The summary and LAO analysis omit the real-estate ban [6]. The YES argument says the measure "requires governments to spend tax revenue for the specific purpose voters approved"; Section 4.5 has no spending rule [17][7].
Is the vote straightforward? Yes. YES raises the bar for citizen-proposed special taxes; NO keeps more than half [6].
Does it bundle unrelated things? No, but part (b) is a second rule the summary does not describe. Los Angeles County's budget office wrote it "is not sure how a county could impose greater ad valorem taxes ... unless Proposition 43 is referring to voter-approved bonds and assessments" [18]. Open: whether the exception for "the ad valorem property tax imposed pursuant to Article XIII and Article XIII A" [19] covers bond repayment taxes.
What guardrails exist? Few. No sunset, audit, oversight or severability clause [7]. Changing it would take another constitutional amendment passed by more than half of the votes cast [11].
Who benefits, and who pays? People and businesses who would owe future petition taxes pay less if those taxes fail; the programs they would fund get less [6].

Supporters, opponents and funding

Supporters: the Howard Jarvis Taxpayers Association (HJTA), the group whose deal with lawmakers produced this measure [20]; Reform California, a conservative political group led by Assemblymember Carl DeMaio [21]; and the Southern California News Group and San Diego Union-Tribune editorial boards [20].

Opponents: the California Democratic Party, SEIU Local 1000 (a local of the SEIU union) and The Sacramento Bee editorial board [20]. Assemblymember Buffy Wicks, an Oakland Democrat who authored the compromise language, says she is "adamantly opposed" [22]. Gov. Gavin Newsom opposes it, CalMatters reported October 9, 2026 [23].

Funding. Through October 16, 2026, Cal-Access (the Secretary of State's campaign-finance database) shows two YES committees with $15,107,946: Yes on Prop 43 – The Local Taxpayer Protection Act, $14,398,079, and an HJTA committee, $709,867 [9][24]. The NO committee, No on Prop 43: Stop the Local Taxpayer Deception Act (Labor), reported $7,951,041 in filings through October 15, 2026 [25]. The Fair Political Practices Commission (FPPC), the state's campaign-finance regulator, also lists $1,090,000 against from a committee that also works on Props 3 and 39 [10].

Largest donors (FPPC list, as of October 14, 2026) [10]:

YES: California Business Roundtable Issues PAC, $9,870,000; Protect Prop. 13, a project of HJTA, $1,038,218; Kilroy Realty, LP, $1,000,000; Douglas Emmett Properties, LP and affiliated entities, $1,000,000; 1800 Capital, Inc., $500,000; Jerry A. Greenberg, an individual donor, $250,000.
NO: SEIU California State Council For Working People, $1,503,928; then seven groups at $500,000 each: California Teachers Association/Issues PAC, North Coast States Regional Council of Carpenters Issues PAC, Southern California Partnership for Jobs, California Alliance for Jobs – Rebuild California Committee, SEIU Local 1021 Issues PAC, SEIU Local 721 Issues & Initiatives, and Western States Regional Council of Carpenters Issues Committee.

Details

How it reached the ballot. The Legislature passed ACA 22, Senate 35–1 and Assembly 68–2 [5], in a deal under which HJTA withdrew a broader initiative that would have capped local transfer taxes at 0.055% and voided measures passed since 2017 without two-thirds [26].

How courts got here. In California Cannabis Coalition v. City of Upland (2017) 3 Cal.5th 924, the California Supreme Court held that a constitutional rule on when general taxes may go to voters "does not limit voters' power to propose and adopt initiatives concerning taxation"; it did not directly decide the special-tax question [27]. In 2020 appeals courts applied that reasoning to San Francisco's Proposition C (61.34% of votes cast) [28] and Fresno's Measure P (52.17%) [29].

Sources

Reviewed in the original: official voter guide pp. 66–69 (title, summary, LAO analysis, arguments, rebuttals) and the web version's list of argument signers; Prop 43 legal text in full; ACA 22 chaptered text and Legislative Counsel's Digest; Cal. Const. art. XIII A, XIII C, XIII D § 3 and XVIII § 4; the Upland opinion (Stanford copy); both 2020 Court of Appeal opinions (San Francisco Proposition C and Fresno Measure P) in full; LA County CEO memo; CalMatters explainer, deal coverage and voter guide; Aleshire & Wynder; Cal-Access and FPPC filings.

Could not be reviewed: an official California courts copy of the Upland opinion (the courts.ca.gov opinion search returned no entry for case S234148 on Oct. 19, 2026; only the Stanford unofficial copy was read, and the quoted language comes from it), and the California Supreme Court's docket for case S263753 (the September 2020 denial of review), which stopped at a human-verification check.