Mercer County property records
Where to look up owners, values, tax bills, parcel maps, deeds and value appeals in Mercer County, New Jersey. Each link goes to the county or state office that keeps the record.
Where each record lives
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Owner, land, building and value
Contact details and how-tos are on the Mercer County property assessment office page.
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Parcel maps
The maps come from the Mercer County GIS.
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Deeds, liens and recorded documents
Contact details and how-tos are on the Mercer County land records office page.
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Value complaints and appeals
Value appeals are heard by the Mercer County Board of Taxation.
We haven’t found Mercer County’s tax bills online. The county’s website, mercercounty.org, lists its offices and how to reach them.
Links go to official county and state sites and were last checked in November 2026. Offices move their pages, so if one has changed, the county’s own website (mercercounty.org) is the place to start.