Kanye West's futuristic housing community needs a new home base ... because his dome-shaped structures in Calabasas have been destroyed.

All but one of the housing prototypes were torn down with about a week to spare before the September 15 deadline ... imposed by the L.A. County Dept. of Public Works for violating the building code.

As you can see in these aerial photos taken Monday ... all that's left at the site, where at least 3 of Ye's huge domes once sat, is a bunch of rubble, a dump truck and one small dome-ish tower. We're told that one is also coming down before the deadline.

We broke the story ... Kanye's neighbors were pissed in mid-August over construction crews working on his property all weekend long, including Sundays, which isn't allowed... [+]