Court directory

# 30th Circuit Court

## Court information

### 30th Circuit Court 1

Physical address

30th Circuit Ct, Veterans Memorial Courthouse, 313 W. Kalamazoo St, Lansing, MI 48901

Mailing address

PO Box 40771, Lansing, MI 48901

Phone

(517) 483-6500

[Official court website](https://www.courts.michigan.gov/courts/trial-courts/) Checked Aug 14, 2026 [Official court website](http://www.ingham.org/cc/2009GenCCPages/new.30cc.4.html) Checked Aug 14, 2026

### 30th Circuit Court 2

Physical address

30th Circuit Ct, Courthouse, 315 S. Jefferson, Mason, MI 48854

Mailing address

PO Box 319, Mason, MI 48854

Phone

(517) 483-6500

[Official court website](https://www.courts.michigan.gov/courts/trial-courts/) Checked Aug 14, 2026 [Official court website](http://www.ingham.org/cc/2009GenCCPages/new.30cc.4.html) Checked Aug 14, 2026

Aliases: MI 30th Circuit Court · MI Thirtieth Circuit Court · Michigan 30th Circuit Court · Michigan Thirtieth Circuit Court · Thirtieth Circuit Court · Michigan 30th Cir. Ct. · MI 30th Cir. Ct.

## Assigned Judges

- [Carolyn N. Koenig Circuit Judge](/kyj/judge/carolyn-n-koenig-mi-circuit-judge-30th-circuit-court)

- [James S. Jamo Circuit Judge](/kyj/judge/james-s-jamo-mi-circuit-judge-30th-circuit-court)

- [Lisa K. McCormick Chief Judge](/kyj/judge/lisa-k-mccormick-mi-chief-judge-30th-circuit-court)

- [Morgan Elizabeth Cole Circuit Judge](/kyj/judge/morgan-elizabeth-cole-mi-circuit-judge-30th-circuit-court)

- [Patricia Tremblay Circuit Judge](/kyj/judge/patricia-tremblay-mi-circuit-judge-30th-circuit-court)

- [Rosemarie E. Aquilina Circuit Judge](/kyj/judge/rosemarie-e-aquilina-mi-circuit-judge-30th-circuit-court)

- [Wanda M. Stokes Circuit Judge](/kyj/judge/wanda-m-stokes-mi-circuit-judge-30th-circuit-court)