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California water heater strapping law

Source: California Plumbing Help (californiaplumbinghelp.com), part of the Local Help Stations network (localhelpstations.com). Last updated November 2, 2026.

All new, replacement and existing residential water heaters must be braced, anchored or strapped to resist falling or moving in an earthquake (Health and Safety Code 19211). (source: California Legislature)

When you sell a home with a water heater, you must certify in writing to the buyer that it complies. (source: California Legislature)

San Jose: up to 52 gallons needs 2 straps (upper strap within the upper third, lower strap at least 4 inches above the controls), 75 gallons needs 3, 100 gallons needs 4. (source: City of San Jose Development Services Permit Center)

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