FBI agents and NYPD cops swooped down on three Brooklyn apartments tied to Monday’s alleged would-be terror bomber — including the pad where he is believed to have assembled his crude explosive device, law enforcement sources said.

The members of the Joint Terrorism Task Force are hunting for evidence including computers, phones and other paraphernalia that could be tied to the botched bombing, sources said.

One of the homes, at 1689 E. 48th St. in Flatlands, was listed on suspect Akayed Ullah’s driver’s license and is believed to be where he lived with his family, sources said.

Another of the apartments belongs to his parents.

Ullah came to the US from his native Bangladesh on an F4 visa — which is reserved for brothers and sisters of American citizens — seven years ago, sources said.

He previously worked as a city cabbie, authorities said.

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