Ballot Access Guide

California

In-lieu signatures, nomination papers, and the largest initiative signature requirements in the country.

Reviewed July 2026

California runs the largest signature operations in the United States, and its candidate system uses three separate instruments that campaigns routinely confuse: the filing fee, signatures gathered in lieu of that fee, and a small number of mandatory nomination signatures required of every candidate regardless of whether the fee was paid.

Verify before you rely on this. Requirements tied to prior election turnout or voter registration are recalculated every cycle, and election law changes — sometimes mid-cycle, sometimes by court order. This page reflects our research as of July 2026 and is general industry information, not legal advice. Always confirm current figures and deadlines with the state election authority before building a plan around them.

Signature Requirements

Office / MeasureRequirement
Governor / statewide constitutional office6,000 in-lieu signatures for full fee waiver; 65–100 mandatory nomination signatures
Board of Equalization4,743 in-lieu; 40–60 nomination
U.S. Representative1,714 in-lieu; 40–60 nomination
State Senator1,714 in-lieu; 40–60 nomination
Assembly Member857 in-lieu; 40–60 nomination
Initiated constitutional amendment874,641 (8% of last gubernatorial vote)
Initiated statute546,651 (5%)
Veto referendum546,651 (5%), within 90 days of enactment
In-lieu counts are published per election by the Secretary of State and change every cycle. Figures shown are for the June 2026 primary.

How signatures in lieu of filing fee work

The filing fee is a percentage of the office's first-year salary — roughly $4,900 for Governor, $1,740 for U.S. House. Rather than pay it, a candidate may gather signatures, each worth a published dollar value against the fee. Partial gathering is allowed; the candidate pays the remainder in cash. Signatures valid on an in-lieu petition also count toward the nomination paper requirement, so the two should never be gathered separately.

Two different circulator rules in one campaign

This is the most common California error. In-lieu petition circulators need only be 18 or older — no residency, registration, or party requirement. Nomination paper circulators must be registered voters in the district in which the candidate will be voted on. Campaigns that use one vendor crew for both routinely invalidate their mandatory sponsor signatures.

The deadline behind the deadline

In-lieu petitions must be filed at least 30 days before the close of the nomination period, which puts the real in-lieu deadline roughly a month ahead of the headline filing deadline. Campaigns that treat the March filing date as "the deadline" have already lost the fee-waiver option.

Initiative circulation and verification

Statewide initiatives get 180 days from the date the Attorney General issues the official title and summary, and must be certified at least 131 days before the general election. Verification runs in three stages: a raw count, then a random sample of at least 500 signatures or 3%, whichever is greater. Below 95% projected valid, the measure fails; above 110%, it qualifies immediately; between the two, every signature gets checked.

A genuine cure period

California is unusual in offering candidates a real cure. County elections officials must notify a candidate of any in-lieu deficiency within 10 days, and the candidate may submit additional valid signatures or pay a pro-rata portion of the fee. Ballot measures get no such mechanism.

Ballot Measures in California

California has a full citizen initiative process: 8% of the last gubernatorial vote for a constitutional amendment, 5% for a statute or veto referendum. There is a 30-day public review period before the Attorney General issues title and summary, then 180 days to circulate. Since 2011, statewide initiatives may appear only on November general election ballots in even-numbered years. Proponents may withdraw a qualified measure up to 131 days before the election — including conditionally, contingent on passage of specified legislation, which is the mechanism behind California's frequent last-minute initiative-for-legislation deals.

What Trips Campaigns Up in California

Paying the full filing fee does not exempt a candidate from gathering the mandatory nomination signatures.
Under the top-two primary, there is no independent nomination petition route to the November ballot for state or congressional office — everyone runs in the June primary.
Write-in votes at the general election for voter-nominated offices are not counted at all. Missing the March filing deadline leaves no fallback whatsoever for that cycle.
Each initiative petition section may be circulated in only one county, and must identify it. A single sheet crossing county lines is a defect — a frequent problem in metro areas.
Filing fees are indexed to salary, so they move every cycle without any legislation.
Track Record

We've Worked This Ground

325K+
Signatures Collected
100%
Ballot Access Success
50+
Campaigns Completed
13+
States
Common Questions

California Ballot Access FAQ

How many signatures does a California ballot initiative need?

874,641 for an initiated constitutional amendment (8% of the last gubernatorial vote) and 546,651 for an initiated statute or veto referendum (5%). These recalculate after each gubernatorial election.

What are signatures in lieu of filing fee in California?

An optional route where a candidate gathers signatures instead of paying the filing fee. Each valid signature is worth a published dollar amount against the fee, and partial gathering is allowed with the balance paid in cash.

Do California petition circulators have to live in California?

It depends on the petition. In-lieu and ballot measure circulators need only be 18 or older, with no residency requirement. Nomination paper circulators must be registered voters in the district where the candidate will be voted on.

How long do you have to gather initiative signatures in California?

180 days from the date the Attorney General issues the official title and summary. Veto referendums get only 90 days from enactment of the targeted law.

Running a Campaign in This State?

Signature requirements are the easy part. Hitting them on deadline is the job.