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🏚️ Earthquake Safety/Seismic Gas Shutoff

Seismic Gas Shutoff: San Jose vs Santa Clara

How do seismic gas shutoff rules compare between San Jose, CA and Santa Clara, CA?

San Jose, CA

Santa Clara County

Some Restrictions

San Jose follows California Plumbing Code and local building code requirements for seismic gas shutoff valves (SGSOV). Installation is required for new construction, certain permitted renovations, and at point of sale. Valves must be installed downstream of the gas meter and carry manufacturer warranties. San Jose is served by PG&E, which provides gas shutoff guidance for seismic safety.

View full San Jose rules β†’

Santa Clara, CA

Santa Clara County

No data available yet for Santa Clara.

Key Facts Comparison

FactSan JoseSanta Clara
CodeCalifornia Plumbing Code + SJMC-
Gas UtilityPG&E-
LocationDownstream of gas meter-
PermitPlumbing permit required-
Nearby FaultsHayward, Calaveras-

Highlighted rows indicate differences between cities.

San Jose FAQ

Do I need a seismic gas shutoff valve in San Jose?

Yes for new construction and many renovations. It is also recommended for all homes given proximity to the Hayward and Calaveras faults. Installation requires a plumbing permit from the San Jose Building Division.

How much does a seismic gas shutoff valve cost in San Jose?

Typical installation costs $300-$700 including the plumbing permit. Only state-certified valve models may be used, and installation must be downstream of the PG&E gas meter.

Santa Clara FAQ

No FAQs available.

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