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Pressure Vessels

Pressure Vessel Unit

The pressure vessel unit is responsible under Labor Code sections 7620 et seq. for the inspection of boilers (any fired or unfired pressure vessel used to generate steam pressure by the application of heat), and tanks (any fired or unfired pressure vessel used for the storage of air pressure or liquefied petroleum gases).

Pressure Vessel Inspection Request Form | Invoice Payment Options | Database | Circular Letters

The pressure vessel unit has two offices as follows:

Northern Office
Oakland Pressure Vessel District Office
1515 Clay Street Suite 1622-A
Oakland, CA 94612
(510) 622-3066
FAX (510) 622-3063

Manager: Leonard Tong, Senior Safety Engineer

Counties north of
San Luis Obispo, Kern
and San Bernardino counties.
Southern Office
Santa Ana Pressure Vessel District Office
2000 E. McFadden Ave Suite 215
Santa Ana, CA 92705
(714) 567-7208
FAX (714) 567-7297

Manager: Gary Teel, Senior Safety Engineer

Counties of San Luis Obispo,
Kern, San Bernardino
and south.

The Pressure Vessel management headquarters is located at:

Pressure Vessel Headquarters Office
Manager: Don Cook, Principal Engineer
1515 Clay Street, Suite 1622-A
Oakland, CA 94612
(510) 622-3052
FAX (510) 622-3063

To apply for a "Permit to Operate" for an air tank, liquefied petroleum tank or a boiler, click on the link Pressure Vessel Inspection Request Form, fill it out and mail (or fax) a printed copy to the appropriate office listed above or email a scanned copy to

Pressure Vessel Invoice Payment Options

The following "No Service Fee" Payment options are also available:

Payment Status Inquiries


To expedite our response to your payment status inquiry, please have the following information ready when contacting us.

Check EFT Credit Card
  • Invoice number(s)
  • Amount paid
  • Check No(s).
  • Address check was remitted
  • Copy of front and back of check(s) if check(s) cleared
  • Invoice number(s)
  • Amount paid
  • Confirmation No.
  • Transaction or process date
  • Invoice number(s)
  • Amount paid
  • Confirmation No.
  • Transaction or process date
  • Card type and last 4 numbers of card

Contact Information for Payment Status Inquiries:

Pressure Vessel Registration Database

Click on the heading to access the searchable and printable pressure vessel database showing the current permit and inspection activities for all steam boilers, air tanks, and LPG tanks in the State of California.

Below are the frequently requested Circular Letters:

March 2015