Nassau police are searching for a man accused of repeatedly pouring an unknown substance on the lawn of a North Massapequa home, causing thousands of dollars in damage.

According to police, the incidents happened three times over the last three months on North Linden Street, a residential neighborhood located south of the Southern State Parkway.

Investigators said the first incident occurred on July 24.

Surveillance video captured a man walking across the property’s grass and pouring an unknown substance onto the lawn.

Police said the suspect returned two days later, on July 26, and allegedly repeated the act.

Authorities said the man came back again on Sept. 19 and once again poured the substance on the grass.

The total damage to the lawn is estimated at approximately $5,000, police said.

The suspect is described as a man around 60 years old, standing about 5 feet 8 inches tall with gray hair.

Nassau police said the investigation remains ongoing.

Detectives ask anyone with information regarding the above incidents to contacts Nassau County Crime Stoppers at 1-800-244-TIPS or call 911.