On October 7, 2026 the San Francisco Board of Supervisors unanimously approved a 45-day interim zoning moratorium on new data centers. The pause took effect immediately and can be extended for up to roughly two years while the city studies permanent restrictions. Corporate governance, site-selection and government-affairs teams at companies with existing or planned San Francisco data-center capacity should review project timelines and disclosure obligations this week.
San Francisco, home to major AI companies, has imposed an immediate 45-day ban on new data-center approvals. Boards, risk committees and site-selection teams responsible for infrastructure strategy need to treat the moratorium as a live constraint on capacity planning in the city.
- What changed? San Franciscoβs Board of Supervisors unanimously approved a 45-day interim zoning moratorium on new data centers.
- When? Passed and effective immediately on October 7, 2026; can be extended for up to roughly two years.
- Who is affected? Companies with existing or planned data-center projects in San Francisco, plus boards and government-affairs teams overseeing AI infrastructure strategy.
- What to do this week? Confirm whether any active or planned San Francisco projects are covered, brief the risk or capital committee, and review related public-official NDA or disclosure practices.
What did the Board of Supervisors approve?
On October 7, 2026 the San Francisco Board of Supervisors unanimously approved a 45-day interim zoning moratorium on new data centers. The pause took effect immediately. Under California law the moratorium can be extended for up to roughly two years while the city studies impacts and develops permanent rules. Supervisor Shamann Walton introduced the measure, co-sponsored by Supervisors Connie Chan, Jackie Fielder and Chyanne Chen. The city cited concerns about water and electricity use, noise, environmental-justice impacts (particularly in Bayview-Hunters Point) and the fact that existing data-center codes date to 2001.
How does the moratorium work?
The ordinance pauses city approvals of new data centers while the Planning Department studies impacts and reports back. A report is due within 25 days, with a hearing no later than 35 days after the ordinance takes effect. The moratorium is authorized under California Government Code Section 65858, which allows local governments to impose temporary pauses when they identify a current and immediate threat to public health, safety or welfare. San Francisco joins a growing list of jurisdictions that have moved to pause or restrict new data-center development in 2026.
Why does this matter for corporate governance?
San Francisco is a primary location for several of the worldβs most valuable AI companies. A binding pause on new data-center capacity inside the city affects site-selection decisions, capital-expenditure timelines and the assumptions underlying any public or investor statements about infrastructure build-out. Boards and risk committees that have approved or are reviewing large AI-related capital plans should confirm whether any portion of that plan depends on San Francisco approvals during the moratorium window. The measure also arrives against the backdrop of broader scrutiny of data-center non-disclosure agreements with public officials.
What should governance and site-selection teams do this week?
Identify every active or proposed data-center project that requires a San Francisco approval and confirm its status under the moratorium. Brief the relevant board committee (risk, capital or technology) on the 45-day pause and the possibility of extension. Review any existing non-disclosure or confidentiality language with San Francisco or California officials related to data-center projects and ensure it is consistent with current disclosure obligations. Update internal capacity-planning models to treat San Francisco as constrained for the duration of the moratorium (and any extension). Coordinate with government-affairs and legal teams on the cityβs forthcoming Planning Department report.
What should operators watch next?
Watch for the Planning Departmentβs report (due within 25 days) and any hearing on permanent restrictions. Monitor whether the Board extends the moratorium beyond the initial 45 days. Track parallel actions in other jurisdictions and any state-level data-center legislation. Also watch how major AI companies that are headquartered or have significant operations in San Francisco adjust their public capital-expenditure or capacity guidance.
Frequently asked questions
When did the moratorium take effect?
Immediately upon passage on October 7, 2026.
How long does it last?
The initial period is 45 days. It can be extended for up to roughly two years under California law while permanent rules are developed.
Does it affect existing data centers?
The ordinance targets new data-center approvals. Existing facilities are not described as being shut down by the moratorium itself.
Who introduced the measure?
Supervisor Shamann Walton, with co-sponsors Supervisors Connie Chan, Jackie Fielder and Chyanne Chen. It passed unanimously.
Is this unique to San Francisco?
No. The city joins a growing list of jurisdictions that have imposed or are considering pauses or restrictions on new data centers in 2026.
Son GΓΌncelleme / Last Updated: October 10, 2026.
Related: Corporate Governance department hub Β· Raskin data-center NDA letters Β· Technology department hub
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