Earthquake Shut-Off Valve Installation

California Contractor License #399170

  • ●Serving homes since 1976
  • ●Same-day service
  • ●Licensed and insured
  • ●Quality workmanship
Mike Diamond Plumbing service truck
★★★★★Google Rating 4.7
50+ Yearsin business

Earthquake Shut-Off Valve Installation services

Earthquake shut-off valve installation adds a certified automatic device to eligible customer-owned gas piping downstream of the utility meter. The valve must be selected and sized for the piping and connected load, installed in an appropriate orientation and location, and integrated without obstructing utility equipment.

Earthquake shut-off valve installation

We install an approved seismic valve on eligible customer-owned gas piping downstream of the utility meter.

Existing-valve inspection

We inspect an installed valve for damage, orientation, accessibility, certification information, and piping compatibility.

Earthquake valve replacement

We replace an eligible damaged, outdated, or unsuitable valve with an approved compatible device.

Valve reset and operating review

We assess an activated valve and explain the safe restoration steps that apply after the gas system is checked.

Gas piping connection work

We complete approved customer-side piping changes needed for the valve installation or replacement.

Our same day service promise

Our fully stocked trucks help us complete eligible, approved work during the same visit. Specialty parts, permits, or added work may require a follow-up.

100% Satisfaction Guarantee

If you are not satisfied with our completed work, we will return and redo work within the approved scope at no additional charge.

Signs you may need earthquake shut-off valve installation

If gas is suspected, evacuate immediately and call SoCalGas at 1-800-427-2200 from a safe location; call 911 when the leak may endanger people or property.

You want automatic shutoff protection

The property piping, meter arrangement, total appliance load, pipe size, mounting, and certified valve options must be evaluated.

An existing valve has triggered

Do not assume the gas system is undamaged or reset service without the appropriate inspection and restoration procedure.

You smell gas after an earthquake or at any time

Evacuate immediately and call the gas utility from a safe location. Do not operate switches, flames, vehicles, or devices that could create a spark.

Automatic valve, manual shutoff, or leak response?

Earthquake valve installation

A planned protective project using an eligible certified device.

Manual shutoff

A different control that should be used only under appropriate utility emergency guidance.

Suspected gas leak

Requires evacuation and immediate utility contact, not an installation appointment.

Related services: Gas Line Installation & Repair

What determines the valve installation?

Certified valve and sizing

California DSA certifies residential earthquake-sensitive valve models; the selected device must also fit the piping and appliance load.

Location and piping

The valve is installed on customer piping downstream of the utility delivery point with suitable access, support, orientation, and clearance.

Testing and gas restoration

Approved piping is tested, and utility restoration rules apply if service at the meter has been shut off.

What happens during earthquake shut-off valve installation?

Our plumber follows these steps when planning earthquake-valve installation:

Why choose Mike Diamond for earthquake shut-off valve installation?

We evaluate the service need, explain the recommended scope, and provide pricing before authorized work begins.

We have serviced homes since 1976
We are licensed and insured
We have finance options available for large jobs
We offer upfront and transparent pricing with no commitment

Earthquake Shut-Off Valve Installation questions

Earthquake shut-off valve installation adds a certified automatic device to eligible customer-owned gas piping downstream of the utility meter. The valve must be selected and sized for the piping and connected load, installed in an appropriate orientation and location, and integrated without obstructing utility equipment.

The property piping, meter arrangement, total appliance load, pipe size, mounting, and certified valve options must be evaluated.

The price depends on certified valve type and size, connected load, piping configuration, access, supports, testing, utility coordination, and permits when applicable. We explain the recommended scope and price before authorized work begins.

Earthquake valve installation: A planned protective project using an eligible certified device. Manual shutoff: A different control that should be used only under appropriate utility emergency guidance. Suspected gas leak: Requires evacuation and immediate utility contact, not an installation appointment.

If gas is suspected, evacuate immediately and call SoCalGas at 1-800-427-2200 from a safe location; call 911 when the leak may endanger people or property.

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