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You need a permit to install boilers and pressure vessels in the city of Seattle. There are some special requirements to consider before applying for a permit. Boilers or pressure vessels must be:
When choosing an installation location for boilers, consider:
You may also need a business license if you are working in Seattle, even if your office is outside the city.
Our fees for boiler installation permits are based on the size of the heating surface and electric power. Our fees for pressure vessels are based on their length times diameter in feet.
We issue boiler and pressure vessel permits over the counter, on the same day that you apply. You can apply at the Applicant Services Center. You don't need an appointment and the wait time is generally no more than 40 minutes.
Complete the permit application. You will need:
There are two ways to submit your application:
Include payment as specified on the permit application form.
If you perform a high volume of installations, you may want to set up an advance deposit (escrow) account with us. Escrow accounts require that you maintain a minimum balance in the account. Fees for your permit applications are automatically drawn from the account as you submit them. For more information on setting up an escrow account, call the OTC Permit Desk at (206) 684-8464.