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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.
2026 Pennsylvania Fair Schedule
Posted May 19, 2026
Celebrate America's 250th birthday by attending one of Pennsylvania's 108 fairs! To find a fair near you, view the 2026 PA Fair Guide.
Learn More at PA State Association of County Fairs
Property Reassessment Implementation Extended Pending Further Review
Posted June 25, 2026
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Hard-to-recycle
August 11, 2026
The Lawrence-Mercer Recycling/Solid Waste Department offers a program for the collection of select hard-to-recycle items. Collection days are held the 2nd Tuesday of each month from 9 AM to 1 PM, and transition between locations in Mercer and Lawrence counties. This makes the program accessible to as many people as possible.
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Commissioners Meeting
August 20, 2026
3:00 pm in the Courthouse Assembly Room
Commissioners Meeting
September 3, 2026
3:00 pm in the Courthouse Assembly Room
July 30, 2026 Commissioners Meeting
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