PUBLIC NOTICE: The Mercer County Courthouse will be closed on Monday, October 12, 2026, for the observance of Columbus Day. The courthouse will reopen for business on Tuesday, October 13, 2026, at 8:30 A.M.

Looking for information about Mercer County opioid settlement funds? Fill out the information request form here.

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This page provides a comprehensive directory of Mercer County offices, including contact information, locations, and operating hours. Whether you need to reach the Assessor’s Office, the County Clerk, or any other department, you’ll find the information you need here.

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