Judge Troye K. Shaffer: Professional Background and Legal Expertise

Sonoma County Superior Court, Department 24

Appointed By: Gov. Gavin C. Newsom

Biography

Overview

The Hon. Troye K. Shaffer is a judge for the Sonoma County Superior Court in California.[1] Shaffer was appointed to the bench by Governor Gavin Newsom on March 25, 2021, filling the vacancy created by the retirement of the Hon. Robert S. Boyd.[1]

Local rules effective January 2026 listed Shaffer as presiding judge of the juvenile court.[2] In one criminal case, she sentenced a defendant to 15 years and 4 months in prison for multiple felony offenses involving domestic violence.[3]

Educational background

At the University of California College of the Law, San Francisco (formerly University of California, Hastings College of the Law), Shaffer completed a J.D.

Career history

After law school, Shaffer began her legal career as an associate at Bowles and Verna LLP (2000 to 2001). In 2001, she joined the Sonoma County District Attorney's Office as a deputy district attorney. Shaffer became chief deputy district attorney in 2015 and held that role until 2019. Before joining the bench, she served as a commissioner for the Sonoma County Superior Court from 2019 to 2021.

Personal life

Outside the courtroom, Shaffer was a Windsor resident at the time of her appointment.[1] In announcing her appointment, she stated that she had lived in Sonoma County while raising her family there.[1]

Shaffer is registered as a Democrat.

References

[1] Sonoma County Superior Court Press Release
[2] Sonoma County Superior Court Local Rules (January 2026)
[3] Sonoma County District Attorney — Domestic Abuser Sentenced to More Than 15 Years in Prison

Recent Cases by Hon. Troye K. Shaffer

People vs. FELIPA SALGADO TORRES

On May 22, 2026 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

May 22, 2026

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Criminal

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Criminal

Matter Type

General Criminal

Case Last Refreshed

Sep 10, 2026

People vs. JESSICA MASSEY

On May 19, 2026 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

May 19, 2026

Status

Dismissal

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Criminal

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Criminal

Matter Type

General Criminal

Case Last Refreshed

Sep 10, 2026

People vs. ANGELO MARTINEZ

On May 19, 2026 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

May 19, 2026

Status

Dismissal

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Criminal

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Criminal

Matter Type

General Criminal

Case Last Refreshed

Sep 10, 2026

People vs. DAVYNA DELGADO

On May 19, 2026 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

May 19, 2026

Status

Dismissal

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Criminal

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Criminal

Matter Type

General Criminal

Case Last Refreshed

Sep 10, 2026

People vs. GLORIA CAMPBELL

On March 30, 2026 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Mar 30, 2026

Status

Dismissal

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Criminal

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Criminal

Matter Type

General Criminal

Case Last Refreshed

Sep 10, 2026

People vs. MAYELIN VALDEZ

On March 30, 2026 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Mar 30, 2026

Status

Dismissal

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Criminal

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Criminal

Matter Type

General Criminal

Case Last Refreshed

Sep 10, 2026

Rachel JonesvsCasey Jones

On September 19, 2025 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Sep 19, 2025

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Civil

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Jun 12, 2026

In the Matter of the State of Colorado vs. Erika Walker

On June 13, 2025 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Jun 13, 2025

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Civil

County

Sonoma County, CA

Case #

(Subscribe to View)

Case Last Refreshed

Jul 12, 2025

People vs. BORG, NACOLE LAREE

On June 4, 2025 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Jun 04, 2025

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Criminal

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Criminal

Matter Type

General Criminal

Case Last Refreshed

Jul 23, 2026

People vs. MARES, BENJAMIN EDWARD

On February 27, 2025 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Feb 27, 2025

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Criminal

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Criminal

Matter Type

General Criminal

Case Last Refreshed

Aug 01, 2026

Sonoma County Sheriff's Office c/o County Counsel's OfficevsLance Williams

On February 25, 2025 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Feb 25, 2025

Status

Other

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Civil

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Jul 23, 2026

People vs. MATAMOROS ACOSTA, HUGO ALEXANDER

On February 24, 2025 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Feb 24, 2025

Status

Sentenced

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Criminal

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Criminal

Matter Type

General Criminal

Case Last Refreshed

Jul 31, 2026

LANSDOWN vs Superior Court of California, County of Sonoma

On January 16, 2025 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Jan 16, 2025

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Civil

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Administrative

Matter Type

Writs

Case Last Refreshed

Jan 18, 2025

STIVERS, DYLAN RYAN

On January 10, 2025 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Jan 10, 2025

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Criminal

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Criminal

Matter Type

General Criminal

Case Last Refreshed

Jul 23, 2026

People vs. OLIVER, ERIC JAMES

On January 5, 2025 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Jan 05, 2025

Status

Sentenced

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Criminal

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Criminal

Matter Type

General Criminal

Case Last Refreshed

Jul 30, 2026

People vs. MARES, BENJAMIN EDWARD

On December 30, 2024 a case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Dec 30, 2024

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Criminal

County

Sonoma County, CA

Case #

(Subscribe to View)

Practice Area

Criminal

Matter Type

General Criminal

Case Last Refreshed

Jul 30, 2026

Bursten vs Superior Court of Sonoma County

On November 25, 2024 a civil case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

5 Files

Filed

Nov 25, 2024

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Civil

County

Sonoma County, CA

Case #

(Subscribe to View)

Court Category

Civil

Practice Area

Administrative

Matter Type

Writs

Case Last Refreshed

Mar 14, 2025

People vs. BROWN, NICHOLAS ARTHUR

On November 13, 2024 a probate case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Nov 13, 2024

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Probate

County

Sonoma County, CA

Case #

(Subscribe to View)

Court Category

Probate

Practice Area

Probate

Matter Type

General Probate

Case Last Refreshed

Mar 14, 2025

People vs. BROWN, NICHOLAS ARTHUR

On November 13, 2024 a probate case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Nov 13, 2024

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Probate

County

Sonoma County, CA

Case #

(Subscribe to View)

Court Category

Probate

Practice Area

Probate

Matter Type

General Probate

Case Last Refreshed

Mar 14, 2025

People vs. BARAJAS, JOHN VARGAS

On November 7, 2024 a probate case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Nov 07, 2024

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Probate

County

Sonoma County, CA

Case #

(Subscribe to View)

Court Category

Probate

Practice Area

Probate

Matter Type

General Probate

Case Last Refreshed

Mar 14, 2025

People vs. BARAJAS, JOHN VARGAS

On November 7, 2024 a probate case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Nov 07, 2024

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Probate

County

Sonoma County, CA

Case #

(Subscribe to View)

Court Category

Probate

Practice Area

Probate

Matter Type

General Probate

Case Last Refreshed

Mar 14, 2025

People vs. DEJESUS, EUSEBIO

On October 18, 2024 a probate case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Oct 18, 2024

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Probate

County

Sonoma County, CA

Case #

(Subscribe to View)

Court Category

Probate

Practice Area

Probate

Matter Type

General Probate

Case Last Refreshed

Mar 14, 2025

People vs. DEJESUS, EUSEBIO

On October 18, 2024 a probate case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Oct 18, 2024

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Probate

County

Sonoma County, CA

Case #

(Subscribe to View)

Court Category

Probate

Practice Area

Probate

Matter Type

General Probate

Case Last Refreshed

Mar 14, 2025

People vs. ANGELO, MITCHELL DOUGLAS

On October 15, 2024 a probate case was filed in the jurisdiction of Sonoma County. Judge Troye K. Shaffer presiding.

Filed

Oct 15, 2024

Status

Active

Judge

Hon. Troye K. Shaffer 👉 Discover key insights by exploring more analytics for Troye K. Shaffer

Court

Probate

County

Sonoma County, CA

Case #

(Subscribe to View)

Court Category

Probate

Practice Area

Probate

Matter Type

General Probate

Case Last Refreshed

Mar 14, 2025

Discover if Hon. Shaffer is the right judge for your case based on their ruling history.

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About

Troye K. Shaffer
Current Appointment Sonoma County Superior Court, Department 24	Sonoma County Superior Court, Department 24
Education J.D., University of California, Hastings College of the Law	J.D., University of California, Hastings College of the Law

Documents related to Troye K. Shaffer

Court Info

Court Info
Current Court:	CA - Sonoma County Superior Court
Clerk phone:	+1 (707) 521-6547

Career History

Career History
Role	Employer	Where
Judge	Superior Court of California	Sonoma County, California
Commissioner	Superior Court of California	Sonoma County, California
Chief Deputy District Attorney	Office of the District Attorney	Sonoma County, California
Deputy District Attorney	Office of the District Attorney	Sonoma County, California
Associate	Bowles and Verna, LLP	Contra Costa County, California