ParcelioMercer County, New Jersey: parcel data and property records
142,339 Mercer County parcels on one searchable map: owner of record and mailing address, assessed and appraised values and recorded sales, plus lot boundaries and location. Screen by absentee ownership, acreage, year built and owner tenure.
What the data covers
These bars show real field-by-field coverage for Mercer County in our database, so you know exactly what you are getting before you search. Numbers refresh as the county publishes new records.
Not held for Mercer County: deeded acreage and vacancy. Those fields are carried where the county publishes them.
Most recent recorded sale on file: 2026-06-26.
Areas covered
Parcel counts by place, largest first: Hamilton Twp (33,335), Trenton City (27,456), Ewing Twp (12,415), Lawrence Twp (11,496), West Windsor Twp (9,327).
Recent sales
2,532 Mercer County parcels have a recorded sale dated since November 2025. Across 2,346 priced sales, with a deed recorded on several parcels counted once, the median price was $426,000 and the middle half sold between $270,000 and $675,000.
Land use mix
The most common land use or property class on file, as the county writes it, by share of parcels with one: Residential 84%, Commercial 4%, Vacant Land 4%, Public Property 4%, Other Exempt 1%.
Nearest counties
- Middlesex County: about 19 mi away, 275,948 parcels
- Somerset County: about 20 mi away, 132,710 parcels
- Hunterdon County: about 23 mi away, 54,728 parcels
- Burlington County: about 28 mi away, 218,426 parcels
- Monmouth County: about 29 mi away, 264,400 parcels
Search Mercer County parcels
The map is free to browse - parcel lines, boundaries, and location. Owner of record, assessed values, recorded sales, year built and the full parcel report come with a plan that costs less than one hour of a title runner's time.
Explore the Mercer County map See plans
Common questions
How many parcels are in Mercer County, New Jersey?
Parcelio carries 142,339 parcel records for Mercer County, New Jersey, with owner information on 86 percent of them.
Can I find out who owns a property in Mercer County?
Yes. Search by owner name, address, or parcel number to pull the record: owner of record and mailing address, assessed values, recorded sales, year built and lot lines on the map. Sale records here currently run through 2026-06-26.
How do I find vacant land or absentee owners in Mercer County?
We do not hold vacancy data for Mercer County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. Mercer County does have owner mailing state: 1,935 parcels have an owner mailing address outside New Jersey.
Can I search Mercer County by lot size or acreage?
Yes. Acreage is on 91 percent of Mercer County parcels, mapped from the parcel boundary, and the advanced search filters on it directly - set a minimum and maximum to pull every tract in that range, then stack vacancy or absentee ownership on top.