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Alhambra voters to decide citywide data-center ban

Measure DB asks voters on November 3 whether to affirm the City Council’s prohibition by barring data centers in every zone of the city.

Published October 20, 2026 • Sources: NBC4 Los Angeles, City of Alhambra and Los Angeles County

Alhambra voters will decide Measure DB in the November 3 municipal election. A “yes” vote would add the city’s definition of a data center to the municipal code and state that the facilities are prohibited in all Alhambra zoning districts.

Measure: Alhambra Measure DB

Election date: November 3, 2026

Approval required: A majority of votes cast on the measure

What the measure would do

The proposed language defines data centers as facilities primarily used to analyze, process, store, convert, transmit, distribute or manage electronic data. It excludes data equipment that is incidental to another primary use and supports only that on-site operation.

The City Council adopted a zoning update in June that classified data centers and prohibited them in employment districts while not listing them as permitted in other zones. Measure DB would put the citywide prohibition into a voter-approved ordinance.

Original reporting: Read NBC4 Los Angeles →

Official city information: Review Alhambra election notices →

Official county listing: See the Los Angeles County measure list →