Judge Ronald A. Costeck: Professional Background and Legal Expertise

Biography

Hon. Ronald A. Costeck is a commissioner for the Island County District Court in Washington. He joined the bench in 2018.

During that same time, he has presided as a commissioner for the Oak Harbor Municipal Court.

Costeck received a bachelor’s degree in finance and economics from McMaster University in 1991. He then completed a J.D. at the University of Memphis, Cecil C. Humphreys School of Law in 1995.

Prior to joining the District Court, Costeck was a partner at Powers & Costeck PLLC, where he had practiced since 2005. He entered the private arena after working as a deputy prosecuting attorney in Skagit County for three years (2001 to 2005) and an assistant city attorney for the City of Bellingham for two years (1999 to 2001).

In addition, he taught as an adjunct professor at Temple University in Pennsylvania for one year beginning in 2000.

Recent Cases by Hon. Ronald A. Costeck

SB&C vs TIANO A STOKES

On June 23, 2025 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Jun 23, 2025

Status

Judgment (Other)

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Superior

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Creditor

Matter Type

Judgment Enforcement

Case Last Refreshed

Jun 24, 2025

JAMES A BARRETT et al vs CAMANO COVE COMMUNITY CLUB INC

On March 24, 2025 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Mar 24, 2025

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Superior

County

Island County, WA

Case #

(Subscribe to View)

Case Last Refreshed

Mar 25, 2025

JESSICA NOEL GOLDSMITH vs CODY ALLEN GOLDSMITH

On November 15, 2024 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Nov 15, 2024

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Superior

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Nov 20, 2024

NICHOLE HEATHER LAWRENCE vs SEAN M RASMUSSON

On September 5, 2024 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Sep 05, 2024

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Superior

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Sep 06, 2024

MELINDA JEAN BUCHANAN vs JAMIE LEEANN DONNER

On July 16, 2024 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Jul 16, 2024

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Superior

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Jul 18, 2024

OAK HARBOR POLICE DEPARTMENT vs ELIASER LOERA

On July 16, 2024 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Jul 16, 2024

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Superior

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Jul 18, 2024

SABINE WILMS vs MARY BRENNAN

On June 25, 2024 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Jun 25, 2024

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Superior

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Jun 26, 2024

KRISTEN-MICHELL ROSE FRY vs MICHELLE KATHLEEN MANN

On June 4, 2024 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Jun 04, 2024

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Superior

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Jun 05, 2024

JENNIPHER MARIE MILLER vs JULIUS JARONE BARNES

On June 4, 2024 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Jun 04, 2024

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Superior

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Jun 05, 2024

SYDNEY MARIE CLARK vs CALEB JOSHUA MOORE

On May 23, 2024 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

May 23, 2024

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Superior

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

May 24, 2024

OAK HARBOR POLICE DEPARTMENT vs ISAIAH MARSHALL WOODS

On February 27, 2024 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Feb 27, 2024

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Island County

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Feb 28, 2024

RITCHIE MARIAN FITZPATRICK vs KELSIE RYAN M FITZPATRICK

On February 13, 2024 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Feb 13, 2024

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Island County

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Feb 14, 2024

JULIA ANN WALDRUP vs MARY ELLEN SPANGLER

On December 20, 2023 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Dec 20, 2023

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Island County

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Dec 21, 2023

DAVID CARL BUNTZ vs DAVID LEAL JAMES

On November 1, 2023 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Nov 01, 2023

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Island County

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Nov 03, 2023

TERRANCE GREENE vs BRANDON JOEL WHITAKER

On October 17, 2023 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Oct 17, 2023

Status

Active

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Island County

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Oct 18, 2023

AMBER KATHLEEN GROGAN vs RANDY LEE HUDSON

On September 19, 2023 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Sep 19, 2023

Status

Completed/Re-Completed

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Island County

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Dec 01, 2023

BONNIE MARIE SHAW vs MICHAEL SCOTT SHAW

On June 27, 2023 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Jun 27, 2023

Status

Closed

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Island County

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Aug 22, 2023

TYLER LIZABETH EGGERS vs TIMOTHY PETER BRAYLEY

On March 14, 2023 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Mar 14, 2023

Status

Closed

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Island County

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Mar 28, 2023

DEANDRE MARQUIS MARIN vs TOBY KALANIKEKOA KEO

On January 10, 2023 a case was filed in the jurisdiction of Island County. Judge Ronald A. Costeck presiding.

Filed

Jan 10, 2023

Status

Dismissal

Judge

Hon. Ronald A. Costeck 👉 Discover key insights by exploring more analytics for Ronald A. Costeck

Court

Island County

County

Island County, WA

Case #

(Subscribe to View)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Aug 19, 2023

About

Ronald A. Costeck
Current Appointment Island County District Court	Island County District Court
Previous Appointment Oak Harbor Municipal Court	Oak Harbor Municipal Court
Education J.D., University of Memphis, Cecil C. Humphreys School of Law - 1995 Bachelor's degree, McMaster University - 1991	J.D., University of Memphis, Cecil C. Humphreys School of Law - 1995 Bachelor's degree, McMaster University - 1991

Court Info

Court Info
Current Court:	WA - Island County District Court
Previous Court:	WA - Oak Harbor Municipal Court
Clerk phone:	+1 (360) 675-5988
Fax:	+1 (360) 675-8231

Career History

Career History
Role	Employer	Where
Commissioner	Island County District Court	Island County, Washington
Commissioner	Oak Harbor Municipal Court	Island County, Washington
Partner	Powers & Costeck PLLC	Skagit County, Washington
Deputy Prosecuting Attorney	Prosecuting Attorney's Office	Skagit County, Washington
Assistant City Attorney	Bellingham City Attorney's Office	Whatcom County, Washington