Mayor Bill de Blasio, whose defunct nonprofit Campaign for One New York is under investigation for its fundraising practices, declined on Friday to rule out creation of a new entity to bolster his re-election push next year.

Telephoning into his week-old “#AskTheMayor” radio show on WNYC, de Blasio said Friday that “I’m not going to get into a whole lot of details yet” about his plans for 2017.

“It’s just too early to say,” the Democrat, 55, told host Brian Lehrer, who asked whether de Blasio would forgo the use of a new nonprofit.

However, de Blasio said, “I’m convinced that at least one candidate will come forward who is heavily, heavily financed by the hedge funds or other powerful interests.” De Blasio added, “We’re going to have to make decisions at that point — how to handle things.”

Campaign for One New York was formed soon after de Blasio took office in 2014 to push his agenda on issues including free prekindergarten and below-market-rate housing.

The nonprofit accepted hundreds of thousands of dollars from donors including unions and other entities with business before the city. The organization announced in March it would shut down; de Blasio said it had met its goals.

The de Blasio team’s fundraising practices are the subject of at least five separate probes by city, state and federal authorities.

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Neither the mayor nor any of his associates is accused of a crime.