Party at the Starport: Halloween
Once again, the folks at Grand Central Starport (San Francisco Bay Area) are having their annual Halloween(ish) party; this year it actually falls on Halloween itself. As usual it's a potluck; costumes are optional but should be street-legal. No pets, but there may be filking. If you have special dietary requirements, bring something you're sure you can eat.
Directions and maps are linked from the household web page. Or you could just try clicking the "location" link.