Court directory

# 31st Circuit Court

## Court information

### 31st Circuit Court

Physical address

31st Circuit Ct, County Building, 201 McMorran Blvd, Port Huron, MI 48060

Phone

(810) 985-2031

[Official court website](https://www.courts.michigan.gov/courts/trial-courts/) Checked Aug 14, 2026 [Official court website](http://www.stclaircounty.org/Offices/courts/circuit/) Checked Aug 14, 2026

Aliases: MI 31st Circuit Court · MI Thirty-First Circuit Court · Michigan 31st Circuit Court · Michigan Thirty-First Circuit Court · Thirty-First Circuit Court · Michigan 31st Cir. Ct. · MI 31st Cir. Ct.

## Assigned Judges

- [Cynthia A. Lane Circuit Judge](/kyj/judge/cynthia-a-lane-mi-circuit-judge-31st-circuit-court)

- [Daniel A. Damman Circuit Judge](/kyj/judge/daniel-a-damman-mi-circuit-judge-31st-circuit-court)