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🏚️ Earthquake Safety/Seismic Gas Shutoff

Seismic Gas Shutoff: Castaic vs Los Angeles

How do seismic gas shutoff rules compare between Castaic, CA and Los Angeles, CA?

Castaic, CA

Los Angeles County

No data available yet for Castaic.

Los Angeles, CA

Los Angeles County

Heavy Restrictions

LAMC §94.1217.0 requires seismic gas shutoff valves (SGSOV) or excess flow shutoff valves on all buildings with gas piping permitted on or after September 1, 1995. Valves are also required when commercial alterations exceed $10,000, when gas meters are altered, and within 12 months of any property sale. Valves must carry a 30-year warranty and be maintained for the life of the building.

View full Los Angeles rules →

Key Facts Comparison

FactCastaicLos Angeles
Code-LAMC §94.1217.0
Effective-September 1, 1995
Sale Requirement-Install within 12 months
Commercial Trigger-Alterations >$10,000
Warranty-30-year minimum

Highlighted rows indicate differences between cities.

Castaic FAQ

No FAQs available.

Los Angeles FAQ

Do I need a seismic gas shutoff valve to sell my home in Los Angeles?

Yes. LAMC §94.1217.0 requires installation within 12 months of any property sale, including individual condo units. This applies to all buildings with gas piping, regardless of when they were built.

How much does a seismic gas shutoff valve cost in LA?

Typical installation runs $300-$700 including the plumbing permit from LADBS. The valve must carry a 30-year warranty and be maintained for the life of the building.

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