Los Angeles mayoral candidate Spencer Pratt is turning heads with a “brilliant” campaign ad furiously calling out his rivals’ posh homes — after his own residence burned to the ground in the catastrophic Pacific Palisades fire last year.

“This is where Mayor Bass lives. You notice something?” Pratt says in the 30-second ad titled “They Not Like Us,” gesturing towards the Getty House, Bass’ bucolic Tudor-style residence in Windsor Square, which is mayor’s official residence.

Pratt called out Dem rivals’ posh homes in the viral ad.

“Or here, where Nithya Raman’s $3 million mansion sits,” Pratt adds, referring to the socialist candidate’s luxury home in Silver Lake .

The former reality TV star has quietly racked up support for his long-shot bid for mayor, even netting a $1,800 maximum donation from Los Angeles Lakers owner Jeanie Buss.

Pratt accused his challengers of living far away from the messes they created — flashing images of homeless encampments, wildfires and graffiti that have plagued swaths of…