San Marcos Post Office

How to apply here

San Marcos Post Office is a U.S. Department of State passport acceptance facility where you can submit a passport application (Form DS-11) in person. Bring your completed form, proof of citizenship, a photo ID, and your fees. Call ahead — many facilities require an appointment and hours vary.

Address

420 N. TWIN OAKS VALLEY RD, San Marcos, California, 92069

Phone

(760) 744-2371