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The Plumber Headquarters is a location that appears in Alien Swarm and Omniverse. It is a functional Plumber Base, led by the Magister of Earth, Max Tennyson. One of the known entrances was through a car workshop and Max's Plumbing shop bathroom before the base was moved into orbit above the Earth.


Alien Force

The Plumber Headquarters was first seen in Ben 10: Alien Swarm, when Ben went to Grandpa Max to ask about the Nanochips. At the time, it served primarily as a communications station.


The Plumber Headquarters reappeared in The More Things Change: Part 1 when Ben visited Max.

In Trouble Helix, Ben was training there with Blukic and Driba. Khyber infiltrated the base to get information about Ben and Malware.

In Outbreak, it was invaded by Dr. Psychobos and his robots. After the Omnitrix malfunctioned, Psyphon, Bubble Helmet, Fistina, and Liam were transformed by DNA of some of Ben's aliens and tried to escape but were defeated by Ben, Rook and other Plumbers and sent back to their cells.

In The Final Countdown, the HQ was launched into the orbit after Kundo tried to self-destruct it using his newfound cybernetic powers.

Notable Plumbers

Notable Prisoners


Alien Force


Season 1

Season 2

Season 3

Season 4

Season 5

Season 6

Season 7

Season 8


  • Ben sometimes thinks about moving to an apartment or Plumber Headquarters due to the trouble he brings to his home.[MW 1]


Matt Wayne