Mr. Ohtaki said he intends to file the papers before the Aug. 6 deadline.
Two others have taken out papers: Mayor Rich Cline and Councilman Heyward Robinson, who are finishing up their first terms on the council.
As of The Almanac's press time on July 26, no one had filed their papers with the city clerk.
Incumbent John Boyle has announced he will not run for a second term. If he sticks to that decision, the filing deadline will be extended to Aug. 11.
Three seats on the five-member council will be filled by voters on Nov. 2.
Mr. Ohtaki is the executive director of the California Resiliency Alliance, a private/public partnership focusing on disaster preparedness.