Arlington, Virginia · Defending households since 2009

Siege-grade residential defense

The pantry will hold.

Mousehold Dynamics designs and manufactures medieval siege weaponry, engineered to scale, for the defense of the household against the house mouse. Trebuchets, ballistae, portcullises, and moats: proven doctrine, machined in aluminum, emplaced on your kitchen floor.

LC-4 Longcast trebuchet emplaced on a kitchen floor at dusk
LC-4 Longcast, forward emplacement. Client kitchen, night operations.
31,406Households defended
14,203Voluntary relocations
0Confirmed rodent casualties since 2009
$211MContracted backlog

Divisions

Three divisions. One doctrine.

Every Mousehold engagement follows the same principle: overwhelming, humane, and slightly theatrical superiority.

Featured systems

Fielded and proven

Selected platforms from the current program of record. Full specifications, pricing, and deployment imagery are published on the capabilities page.

Newsroom

Latest announcements

Begin your engagement

Somewhere in your wall, a decision is being made.

Make it an easy one. Take the two-minute threat assessment and receive a recommended defense program.

Run threat assessment