United States 2026 · Every advertiser
Jim Irizarry for San Mateo County Assessor-Clerk & Chief Elections Officer
This page ran 32 paid political ads on Facebook and Instagram between 4 May 2026 and 29 May 2026. Meta reports $6–9.2K of spend, which makes it the 5,082nd largest advertiser of the 24,034 pages in our data. Advertiser type: Candidate. Most of its spend took no side. Race: Local. Paid for by ELECT JIM IRIZARRY ASSESSOR-COUNTY CLERK-RECORDER 2026.
Data from the Meta Ad Library, pulled 4 November 2026. Election on 3 November 2026. · Every ad of this page in Meta’s Ad Library ↗
32
ads
$7.6K
reported spend, range $6–9.2K
0.0%
of spend on federal races
$250
median spend per ad
Spend by week the ad started
Tone
Share of the 28 ads with text that our model classified. Attack ads name an opponent.
Most attacked
- an unqualified politician$899
- David Canepa$350
Targets as the ads name them, by spend; the spellings of Donald Trump are counted together, other names as written.
Topics
Spend by race: Local 100%.
Spend by ad language: English 89%.
The costliest ads
The highest-spend ad of each distinct text, as it ran.
Who is David Canepa really working for?
27 May 2026 · Jim Irizarry for San Mateo County Assessor-Clerk & Chief Elections Officer · $400 – $499 · 9K+ impressions · Ad Library
Supervisor Jackie Speier is clear: : Jim Irizarry is the only qualified candidate for Assessor-County Clerk-Recorder & Chief Elections Officer.
8 May 2026 · Jim Irizarry for San Mateo County Assessor-Clerk & Chief Elections Officer · $400 – $499 · 7K+ impressions · Promotional · Ad Library
Jim Irizarry is running for Assessor-County Clerk-Recorder, and voters face a clear choice: proven leadership and professional integrity — or an unqualified politician without the required State Certification, backed by special interests.
8 May 2026 · Jim Irizarry for San Mateo County Assessor-Clerk & Chief Elections Officer · $400 – $499 · 25K+ impressions · Attack · Ad Library
Who is David Canepa really working for? Over half of his top campaign donations come from outside San Mateo County - much of it tied to San Francisco political interests and well-funded special interests. A biotech-linked PAC backing him has ties to Genentech, which is actively fighting to reduce more than $55 billion in San Mateo County property tax assessments. He’s taken money from AT&T, opposed Coastside landline protections, and accepted support connected to Seton Hospital interests whil
27 May 2026 · Jim Irizarry for San Mateo County Assessor-Clerk & Chief Elections Officer · $300 – $399 · 20K+ impressions · Attack · Ad Library
I’m proud to have earned support from Democrats, Republicans, Independents, and voters across San Mateo County who believe in professionalism, transparency, and protecting public trust.
14 May 2026 · Jim Irizarry for San Mateo County Assessor-Clerk & Chief Elections Officer · $300 – $399 · 20K+ impressions · Promotional · Ad Library
The office of Assessor-County Clerk-Recorder & Chief Elections Officer is — and must remain — Non-partisan.
14 May 2026 · Jim Irizarry for San Mateo County Assessor-Clerk & Chief Elections Officer · $300 – $399 · 6K+ impressions · Informational · Ad Library
Figures cover domestic political ads paid in dollars, from 4 May 2026. Spend is the sum of Meta’s range midpoints; impressions above one million are reported as “1M+”, so impression figures are floors. Each ad counts in the week its delivery started, with its lifetime spend at our last pull; ads still running before the vote are counted as of 31 October 2026.
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