The surveillance camera footage shows a white glowing shape appear in the right hand corner.
The ghostly object "walks" up and down the street.
It was posted on Toowoomba Ghost Chasers' Facebook page.
Group founder Kylie Samuels said it had been sent in anonymously. "I haven't seen anything like it in a long time," she said.
"It has to be something. There is no other explanation that we can come up with."
Ms Samuels said the owners built their house on the land of the very old house next door.
"Where the 'spirit' walks is where the old house had their pool.
"They are thinking someone may have drowned in the pool," she said.
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