Twist Bioscience

• Layoff notice effective JUL 3, 2023 · 10 employees · filed JUN 14, 2023 · Layoff Permanent — recorded; a layoff does not change the status
• Layoff notice effective JUL 3, 2023 · 197 employees · filed JUN 14, 2023 · Layoff Permanent — recorded; a layoff does not change the status

Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.

What they make

Where it is

Other plants nearby

Every listed plant in San Mateo County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in BR, RCRAINFO · EPA site type STATIONARY.

• State WARN plant-closing and layoff noticesEXISTENCE
  first seen JUL 2023 · last seen JUL 2023
• EPA Facility Registry ServiceEXISTENCE
  Record 110070124944 · first seen OCT 2017 · last seen OCT 2017

IN SAN MATEO COUNTY207 other plants share this one’s industry (Pharmaceutical and Medicine Manufacturing, NAICS 3254); 7 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: TWIST BIOSCIENCE · OCT 2026

Street address

EPA: 442 LITTLEFIELD AVE · OCT 2026

City

EPA: SOUTH SAN FRANCISCO · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06081 · OCT 2026

Coordinates

EPA: 37.650728,-122.394392 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026