Federal and local authorities raided two marijuana grow houses on Long Island Wednesday as part of an ongoing operation in the area, a law enforcement source told The Post.

Officials with ICE’s Homeland Security Investigations, the NYPD and Suffolk County Police Department descended on two homes in the Medford hamlet in the morning hours and confiscated a slew of marijuana plants, lights and other grow house-related items, the source said.

Arrests were made, but it was not immediately clear how many.

The East Woodside Avenue and Mount Vernon Avenue homes authorities hit are less than three miles apart from each other.

During the raid at the East Woodside Avenue residence, officials were seen carrying more than a dozen filled black garbage bags out of the home and several boxes.

The raids were part of a drug bust operation involving several locations across Long Island, the source said.