The tentative ruling comes less than one week after city leaders unveiled brand new street signs, celebrating the renaming of Cesar Chavez Boulevard.
RELATED: Renaming of Kings Canyon Road to Cesar Chavez Boulevard in southeast Fresno completed
The legal action seeks to reverse the name change in parts of southeast and west Fresno.
The judge's tentative ruling states parts of the complaint will be allowed to proceed.
That includes whether the city council had the power to rename the streets and if the action is considered a "public waste."
The 30-year project to rename parts of Kings Canyon Boulevard and California Avenue has been controversial with neighbors living in the area.