Contact the local Korean Consular Office by telephone or email to check business hours and make an appointment, if necessary, or check this information on the office's website.
Collect all necessary documentation and application materials. This includes the expired passport which is being renewed, a recent passport photograph with white background, a copy of any Green Card or Visa Stamp held, a copy of a Family Relationship Certificate if required and the $55 passport fee in the form of cash or a personal check.
Purchase Express Mail postage ($18.30) at a post office to pay for the shipment of the new passport while ensuring you'll receive all necessary application materials at the Korean Consular Office.
Visit the local Korean Consular Office. Take with you all the application materials and the Express Mail postage. Undergo the application process, which includes filling out the application form and providing biometric finger prints.
Wait three to four weeks after making the application to receive the renewed passport. In the meantime an e-passport will be provided.