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Mercer County has extended the countywide assessment project by one year. New assessed values, based on current market conditions, will now take effect for the 2028 tax year rather than 2027.
No action is required from Mercer County property owners at this time.
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Browse available job postings and career opportunities with Mercer County.
Discover information on election results, voter registration, polling locations, and more.
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We can help Veterans and their families receive the benefits they have earned by serving our country.
Learn more about the Board of Commissioners and how they serve the citizens of Mercer County.
General Election Results
Posted November 4, 2026
- Click here to view Unofficial Results
- Click here to view Unofficial Results by Precinct
- Click here to view Pennsylvania Election Results
2026 Courthouse Christmas Concerts
Posted November 2, 2026
The Christmas Concerts begin at 12:00 PM in the Courthouse Rotunda, first floor.
Mold Remediation In The Maintenance Shop Of The Courthouse
Deadline: November 19, 2026
Mercer County is soliciting bids for Mold remediation in the old maintenance shop of the Courthouse at 125 South Diamond Street, Mercer Pa 16137
Pre-Bid Meeting will take place at 125 South Diamond Street, basement, Mercer, PA 16137 on November 10, 2026, at 10:00 am at which time questions will be answered concerning the Scope of Work and Bidding Requirements.
Deadline to apply is November 19, 2026 1:00 PM EST
Veterans Day
November 11, 2026
In Observance of Veterans Day, The Courthouse will be closed.
Commissioners Meeting
November 19, 2026
3:00 pm in the Courthouse Assembly Room
Thanksgiving Holiday
November 26 - 27, 2026
In Observance of the Thanksgiving Holiday, The Courthouse will be closed.
October 29, 2026 Commissioners Meeting
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