Complete the Application for Passport Renewal DS-82 form, which is available from the link in the "Resources" section of this article as well as at local Passport Acceptance Facilities (such as public libraries, post offices and other state and local offices). Make sure to sign and date the form.
Prepare additional materials, including: your current passport, two passport photos and a check or money order for appropriate passport fees. Include a copy of your marriage certificate or court order if your name does not match your current passport. The fee for adult passport renewal was $75 as of 2010, but can change; check the link in the "Resources" section of this article to see current rates.
Prepare application and additional materials from Step 2 in a padded envelope and mail to the address specified on the DS-82 form.
If your passport meets DS-82 renewal requirements (is in good shape, was issued after age 16, is under your current name and is not more than 15 years old), complete steps 1 and 2 of Section 1 and submit all materials to a local Passport Acceptance Facility or Passport Agency. If it does not meet these requirements, complete the Application for A U.S. Passport, Form DS-11, at a Passport Acceptance Facility or Passport Agency and complete the following steps as well.
Provide one document showing proof of citizenship. Acceptable documents include an undamaged U.S. passport, certified birth certificate, Naturalization Certificate, Certificate of Citizenship, Consular Report of Birth Abroad or Certification of Birth
Provide one identification document, such as a previously issued, undamaged U.S. passport; Naturalization Certificate, Driver's License, Government ID or Military ID.
Present an 8 1/2-by-11, black-and-white photocopy of the identification document you presented.
Pay all applicable fees. See the link in the "Resources" section of this article for current fees required.
Present two identical photos that meet the requirements for use on a passport.