Police are seeking public assistance to help locate a 36-year-old Eastern Heights man.

William Ellis was last seen at Grand Plaza Drive in Browns Plains on June 3 (Friday) around 12pm and has not been seen or heard from since.

Police and family hold concern for his safety as he has a medical condition.

William is described as approximately 170cm tall, with a slim build, grey hair and blue eyes. He was last seen wearing khaki shorts and a black jacket (pictured).

Investigators are appealing for William or anyone who knows his whereabouts, to contact police.

Image: Supplied by Queensland Police Service