Carlos Alberto Diaz Martinez

Martinez, circa 2023

  • Missing Since 12/30/2023
  • Missing From Fremont, California
  • Classification Missing
  • Sex Male
  • Race Hispanic
  • Date of Birth 09/11/1988 (37)
  • Age 25 years old
  • Height and Weight 5'5, 140 pounds
  • Clothing/Jewelry Description A brown shirt and jeans.
  • Distinguishing Characteristics Hispanic male. Black hair, brown eyes. Martinez has a mole on his left cheek and gauged piercings in his ears. His nickname is Peka and he may have a goatee and may have long hair, shoulder-length or longer.

Details of Disappearance

Martinez was last seen in Fremont, California on December 30, 2023. He walked out of a residence at 6:40 p.m. and has never been heard from again. Few details are available in his case.

Investigating Agency

  • Fremont Police Department 510-790-6800

Updated 2 times since October 12, 2004. Last updated January 7, 2026; clothing/jewelry description added, details of disappearance updated.