The PSNI has searched an office at the Policing Board headquarters and the home of its chairman Barry Gilligan.
The searches were carried out as part of an ongoing investigation into the role of the Housing Executive in a housing site at Nelson Street in Belfast.
The site is owned by Big Picture Developments, which lists Mr Gilligan as one of its directors. It follows a similar raid at the same offices earlier this year.
Members of the PSNI’s Organised Crime Branch carried out the searches and removed a number of items for examination from the office and house.
At the time, the Housing Executive called in the police to investigate its own role in the north Belfast site.
Last night police said: “Searches have been conducted in Belfast as part of an investigation into matters concerning development land at Nelson Street in Belfast. A number of items have been removed for examination from an office and a house.”
Mr Gilligan has been away from his office on health grounds since February this year.