Newsom Signed Bill Restricting Offshore Drilling Infrastructure
The new law prevents California infrastructure from supporting future federal offshore oil and gas drilling projects.
Updated on Sept. 29, 2026 in Oil and Gas
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Governor Gavin Newsom signed Assembly Bill 1448 into law, effectively barring state-controlled coastal infrastructure from supporting new federal offshore drilling. This legislation complicates efforts by the U.S. Interior Department to expand drilling operations in the Pacific.
Why it matters
State leaders implemented the ban to minimize the risk of oil spills along the coast and advance long-term climate change mitigation goals. The measure creates significant logistical hurdles for companies that might secure federal leases in the coming years.
The new law restricts infrastructure use within 3 miles of the shoreline, effectively closing off state waters that have not seen a new federal offshore lease issued since 1984.
The players
Gavin Newsom
He is the current Governor of California who signed Assembly Bill 1448 into law.
U.S. Interior Department
This federal agency manages national public lands and is planning to offer new offshore oil and gas leases.
Gregg Hart
He is a state legislator and the author of the bill representing the Santa Barbara district.
The details
Assembly Bill 1448 specifically bans the use of existing pipelines and coastal facilities for the transport or processing of oil from new federal drilling sites. By limiting the logistical pathways required to move offshore products to market, the law creates a substantial barrier for future federal leaseholders.
Timeline
1984 marked the last year the federal government issued an offshore lease in California.
Governor Gavin Newsom signed the bill into law on September 29, 2026.
The federal government plans to offer new offshore drilling leases in 2027.
Market Landscape
This legislation reflects a growing trend of state-level efforts to obstruct federal energy extraction plans by leveraging control over local coastal infrastructure. By restricting access to existing pipelines, California is effectively undermining the viability of the federal leasing program within its borders.
The law aims to protect the California coastline from the potential environmental impact of future spills associated with new federal drilling operations. Residents and local businesses may see fewer large-scale infrastructure projects along the coast as the state prioritizes climate goals over expanded fossil fuel development.
The takeaway
California's decision to leverage infrastructure control creates a significant bottleneck for federal energy expansion plans. This strategy highlights the tension between state climate goals and federal mineral rights management in the Pacific.
Further reading
For more on the state's energy policy, see our California Oil and Gas section.
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Should state governments be allowed to block federal offshore oil and gas drilling projects?
