14-year-old vanishes in Gaithersburg after being last seen on Saturday

August 21, 2025
14-year-old vanishes in Gaithersburg after being last seen on Saturday

Red-haired teen missing in Montgomery County after last seen in neighborhood

Gaithersburg, MD – A 14-year-old boy from Gaithersburg has been reported missing after he was last seen on Saturday in the 1800 block of Cross Country Lane, prompting a public plea for help from Montgomery County Police.

Mattheus Pietro Costa, described as 5 feet 6 inches tall and weighing 160 pounds, has red hair and brown eyes. He was last seen wearing blue jeans, a black shirt, and white and black Adidas shoes. Distinctive features include a left ear piercing and a piercing on his left cheekbone.

Authorities have not released any further details about the circumstances of his disappearance, but they are urging anyone who may have seen Mattheus or has information on his whereabouts to come forward.

The case remains active, and officials say tips can be submitted around the clock through the department’s non-emergency line.

14-year-old vanishes in Gaithersburg after being last seen on Saturday

Anyone with information is asked to contact Montgomery County Police at (301) 279-8000.

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Key Points

  • Mattheus Pietro Costa, 14, was last seen Saturday in the 1800 block of Cross Country Lane
  • He is described as 5’6″, 160 lbs., with red hair, brown eyes, and facial piercings
  • Anyone with information is urged to contact Montgomery County Police at (301) 279-8000