A Holbrook man already on federal probation for mortgage fraud in New Jersey was arrested Wednesday and charged with defrauding two Long Island mortgage companies and another in Denver out of $1.1 million, police said.

Delroy Anderson, 43, of Broadway Avenue, was charged with seven counts of second-degree mortgage fraud.

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Suffolk County police said Anderson had identified himself as an officer of Sedburg Holding Corp., a Farmingdale real estate investment company, to obtain mortgages on five houses in Gordon Heights, as well as a building in Mount Vernon, filing false documents. Police said Anderson then stopped making mortgage payments, leading to the loss.

The arrest followed what police said was a 16-month investigation by Identity Theft Unit detectives and was made when Anderson arrived at Federal Court Plaza in Central Islip for a meeting with his probation officer.

As part of the terms of that probation, stemming from an agreement dating to May 17, 2001, police said Anderson was prohibited from participating in the mortgage industry.

He was scheduled for arraignment Thursday in First District Court in Central Islip.