Warren County, New Jersey: parcel data and property records
48,867 Warren 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 Warren 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 Warren County: 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: Phillipsburg Town (5,374), Lopatcong Twp (3,446), Mansfield Twp (3,215), Washington Twp (3,107), Hackettstown Town (2,889).
Recent sales
949 Warren County parcels have a recorded sale dated since November 2025. Across 878 priced sales, with a deed recorded on several parcels counted once, the median price was $390,000 and the middle half sold between $275,000 and $520,000.
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 74%, Farm (Qualified) 8%, Vacant Land 6%, Public Property 4%, Commercial 4%.
Nearest counties
- Hunterdon County: about 20 mi away, 54,728 parcels
- Morris County: about 24 mi away, 180,577 parcels
- Sussex County: about 25 mi away, 76,478 parcels
- Somerset County: about 28 mi away, 132,710 parcels
- Passaic County: about 38 mi away, 132,389 parcels
Search Warren 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 Warren County map See plans
Common questions
How many parcels are in Warren County, New Jersey?
Parcelio carries 48,867 parcel records for Warren County, New Jersey, with owner information on 97 percent of them.
Can I find out who owns a property in Warren 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 Warren County?
We do not hold vacancy data for Warren County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. Warren County does have owner mailing state: 3 parcels have an owner mailing address outside New Jersey.
Can I search Warren County by lot size or acreage?
Yes. Acreage is on 92 percent of Warren 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.