Seismic Gas Shutoff: Los Angeles vs Topanga
How do seismic gas shutoff rules compare between Los Angeles, CA and Topanga, CA?
Los Angeles, CA
Los Angeles County
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 →Topanga, CA
Los Angeles County
No data available yet for Topanga.
Key Facts Comparison
| Fact | Los Angeles | Topanga |
|---|---|---|
| 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.
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.
Topanga FAQ
No FAQs available.
Compare other topics
See how Los Angeles and Topanga compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool