Official filing · original source linked

Resonetics WARN notice — CA, 2026-01-20

Name: Resonetics, LLC WARN notice
Creator: California Employment Development Department

Resonetics, LLC reported 61 workers affected in San Mateo. Notice date: Jan 20, 2026; planned effective date: Apr 21, 2026.

Raw employer name: Resonetics, LLC
Canonical company: Resonetics →
Workers affected: 61
Event type: closure
Filing status: filed
Notice / received date: Jan 20, 2026
Effective date: Apr 21, 2026
City: Unavailable
County: San Mateo →
State: California →
ZIP: 94025
Reported location: San Mateo
Published address: 405 Campbell Ave. Menlo Park CA 94025
Source classification: Closure Permanent
Source agency: California Employment Development Department

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Original source & provenance

Open supplied source ↗

Agency source
California Employment Development Department

Source ID / record ID
ca-edd / resonetics|405-campbell-ave-menlo-park-ca-94025|2026-01-20

First ingested
Oct 6, 2026 · 01:07 UTC

Last observed
Oct 10, 2026 · 12:17 UTC

Snapshot SHA-256
c4239543ffcf87e406005c99b2282f757cbd0e4f7b102f3ea4bdaa33aeabc4df

View original source row

{
  "cells": {
    "notice_date": "01/20/2026",
    "received_date": "01/20/2026",
    "effective_date": "04/21/2026",
    "company": "Resonetics, LLC",
    "reported_location": "San Mateo County",
    "workers": "61",
    "type": "Closure Permanent",
    "address": "405 Campbell Ave. Menlo Park CA 94025"
  },
  "noticeDateField": "Notice Date",
  "archive": "https://edd.ca.gov/siteassets/files/jobs_and_training/warn/warn-report-for-7-1-25-to-6-30-26.pdf",
  "page": 11
}

A source-linked public record. Secondary records are attributed to their provider and are not independently verified. For direct records, “Verified” means sourced from an official agency; it does not confirm the layoffs took place.

Related company filings

Company / location	Workers	Effective date	Notice date	Type / source
ResoneticsMount Clemens · MI recordSecondary · WARN Feed	91	Unavailable	Aug 1, 2022	closureSource ↗

Dates and counts are the supplied source’s reported values. Secondary-provider locations are unstructured; they are not confirmed worksite addresses. Check the original document for phased dates, updates and exceptions.

Resonetics WARN notice — CA, 2026-01-20

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