California Governor has signed Senator Dave Cortese's SB 1306 into law, a measure designed to keep the state at the front of semiconductor manufacturing as competition among U.S. states for fab investment intensifies.

Cortese, who represents Silicon Valley in the California State Senate, announced the signing. His office framed the legislation as a signal that California intends to remain the leader in semiconductor manufacturing rather than cede new capacity to other states that have assembled aggressive incentive packages.

The law arrives at a moment when the geography of U.S. chipmaking is being redrawn. Federal industrial policy has redirected capital toward new fabs in Arizona, Texas, Ohio and New York, states that paired federal subsidies with their own tax and land incentives. California, despite housing the design headquarters of Nvidia, Intel, AMD, Qualcomm and Broadcom, has captured a thinner share of new front-end manufacturing capacity. SB 1306 aims to correct that imbalance.

For the state's economy the stakes are concrete. Semiconductor manufacturing and its supply chain support tens of thousands of California jobs, according to industry estimates, and anchor clusters in the Santa Clara Valley, the East Bay and around Sacramento. Each new fab or expansion carries with it thousands of construction jobs and a multiplier of supplier activity — gas abatement, specialty chemicals, ultra-pure water systems, metrology and lithography services — that tends to settle within commuting distance of the line.

Cortese's announcement did not attach a specific dollar figure to the new law, and the governor's signature caps a legislative process rather than a procurement. What SB 1306 does is establish a policy commitment: California will actively work to attract and retain semiconductor manufacturing, rather than treat the industry as a legacy of its past.

The competitive context explains the timing. Since the federal CHIPS program began distributing awards, states have competed directly for a fixed pool of advanced-node projects. California's strengths remain real: the deepest concentration of chip design talent in the world, proximity to customers and capital, and existing infrastructure at legacy fabs operated by major vendors inside the state. Its historically higher operating costs — land, energy, permitting timelines — are the counterweight that rival states cite when courting the same projects.

A state that codifies support for semiconductor manufacturing changes that arithmetic at the margin. Developers weigh incentive certainty alongside power prices and permitting risk; a standing statutory commitment removes one variable from the site-selection matrix.

Cortese's office cast the signing in exactly those terms — California will continue to be the leader in semiconductor manufacturing, and the state now has a legal instrument to back the claim.

The test ahead is execution. Rival states have converted similar commitments into announced fabs with named process nodes and construction start dates; California will now be measured by whether SB 1306 translates into new capacity, expanded lines or retained production within its borders over the coming budget cycles.