What political party is Scott Diaz?

Nonpartisan race. Under the California Constitution (Art. II, Sec. 6), all city offices are nonpartisan, and a candidate's party preference is not printed on the ballot.

St. Helena City Council · Nov 3, 2026

Scott
Diaz

Scott Diaz, the incumbent, is running for St. Helena City Council in the Nov 3, 2026 election; 5 candidates are running for 2 seats.

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Nov 3Election Day

The race · City Council

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Background

About: Scott Diaz is a business executive with nearly two decades in Napa Valley's wine industry. He was appointed to the St. Helena City Council on May 26, 2026, and holds a Bachelor of Science in Accounting from the University of Colorado Boulder.
Occupation (from candidate statement): Appointed Incumbent
Party: Nonpartisan race. California Constitution, Article II, Section 6

Scott Diaz was appointed on May 26, 2026 to fill the City Council vacancy created by Council Member Billy Summers. St. Helena City Council minutes, May 26, 2026 · May 26, 2026

On the record: Scott Diaz

6 sourced

01Measure S sales tax2 sourced positions

Seconded and voted yes on placing Measure S, a half-cent sales tax, on the Nov. 3, 2026 ballot (passed 4-0, July 2026).
Council voteSt. Helena City Council minutes, July 7, 2026 (special meeting) · Jul 7, 2026 Link How the council voted
as reported by the St. Helena Star; not a direct quote
Supports Measure S; said the city has a healthy general fund reserve but the recent trend is toward operational deficits.
but that can go fast if we start spending it”
Forum answerSt. Helena Star · Sep 30, 2026 Link

02Water1 sourced position

as reported by the St. Helena Star; not a direct quote
Called the water quality unacceptable and his top issue; said the council might need to reconsider its capital improvement budget to free up more money for water mains.
Forum answerSt. Helena Star · Sep 30, 2026 Link

03Grand jury report1 sourced position

Voted yes to partially disagree with each finding of the 2025-2026 Napa County Civil Grand Jury report and revise the city's response letter (passed 3-1, Aug. 2026).
Council voteSt. Helena City Council minutes, August 11, 2026 · Aug 11, 2026 Link How the council voted

04City manager1 sourced position

Voted yes on a $36,500 contract with Bob Murray & Associates for recruitment services for the City Manager vacancy (passed 5-0, July 2026).
Council voteSt. Helena City Council minutes, July 28, 2026 · Jul 28, 2026 Link How the council voted

05City planning1 sourced position

Said in his May 2026 council application that he would push the council to initiate a City strategic plan and commission an independent financial controls review.
I would make initiating a City strategic plan one of my first priorities if appointed.”
Own statementScott Diaz · May 18, 2026 Link

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