Warren County New Jersey Property Search
Search With Our Tool Warren County property records by owner name, parcel ID, City or address as like (78TH ST E) View ownership, values, Tax Rates Information instantly.
New Jersey County Property Search
The property assessments in Warren County are conducted by local municipal Tax Assessors under the oversight of the Warren County Board of Taxation and the NJ Division of Taxation. The county includes 52,118 parcels, 62,845 matched buildings, 54,612 addresses, and 64,318 secondary-address parcels, with standardized zoning across all 22 municipalities, ensuring accurate valuations, fair taxation, and consistent property record management. The Tax Assessor plays a key role in determining each property’s market value and maintaining up-to-date assessment records.
Warren County ZIP Codes & Cities
Search your city or ZIP below to find Warren County areas instantly.
Warren County New Jersey Property Overview
Warren County, New Jersey, features a diverse property market with 36,643 residential and 1,779 commercial properties. The average single-family home is 56 years old with 1,908 sq ft of living space. Nearly 50% of homes are equity rich, while the effective property tax rate is 1.78%, reflecting a stable and attractive real estate environment for buyers and investors.
Residential Properties
36,643
Commercial Properties
1,779
Avg. Home Age Single Family
56 Years
Avg. Square Feet Single Family
1,908
Residential Sales 2026
175
Homes Seriously Underwater
0.65%
Residential Sales 2025
1,511
Equity Rich Homes percentage
49.99%
Effective 2025 Property Tax
1.78%
Total Foreclosure Filings 2026
40
Nearby Counties
Warren County, in northwestern New Jersey, is bordered by four distinct NJ counties: Sussex County to the northeast, Morris County to the east, Hunterdon County to the south, and Bergen County nearby to the southeast.
Popular Cities
Warren County, New Jersey, is home to charming and historic cities including Hackettstown, Phillipsburg, Belvidere, Blairstown, and Washington. These popular cities offer a mix of suburban and small-town living, quality schools, and convenient access to local amenities, making Warren County an ideal destination for families, homebuyers, and real estate investors.
10,668 properties
Phillipsburg City
9,671 properties
Hackettstown City
5,151 properties
Washington City
How To Search Property In Warren County New Jersey
By Owner Name
Using our Warren County property search tool, quickly find property records by owner name and access detailed ownership, tax, and property information instantly.
Search By Address
With our Warren County property lookup tool, you can search by property address to quickly view parcel details, estimated home value, property records, and tax information.
Search By Parcel
Our Warren County parcel search tool lets you search properties by parcel number to access accurate boundary details, ownership records, and complete property information quickly and easily.
Search By Zip Code
Offered Warren County property search tool allows you to search by ZIP code to explore nearby properties, neighborhood insights, and local property tax details quickly.
Warren County New Jersey Property Market Trends (2024–2025)
Warren County’s real estate market showed steady activity during 2024–2025. Median home prices reached $392,500 with a typical $68,400 down payment. About 88 homes were sold in February 2025, supported by 81 purchase loans, 65 refinance loans, and 39 HELOCs. Foreclosure filings totaled 27, reflecting moderate housing demand and a stable property market.
Warren County Property Market Trends (2024–2025)
Warren County New Jersey Property Data Insights
Warren County maintains extensive property records covering 36,643 residential and 1,779 commercial parcels with detailed land, ownership, and zoning data. Records were last updated on May 17, 2025, ensuring current real estate information through early 2025 and relevance into 2026. These comprehensive property datasets support homeowners, buyers, and researchers in evaluating property values, trends, tax assessments, and development opportunities across the county
Parcels Overview
Warren County currently has 52,118 parcels recorded in its property database. This comprehensive parcel information provides accurate land ownership details, tax mapping, and assessment records for properties across the county, supporting informed decisions for homeowners, investors, and researchers.
Data Refresh & Updates
The most recent refresh date for Warren County property records is May 17, 2025, providing accurate land, parcel, and valuation data with updates continuing into early 2026. Regular updates ensure that homeowners, buyers, and researchers receive the most current and reliable property information.
Matched Buildings Data
Warren County property records include detailed building footprint and structural data linked directly to 52,118 parcels, ensuring accurate mapping and precise property identification. Collected between 2015 and 2019, these GIS datasets cover 62,845 matched buildings, providing comprehensive structural insights to support property evaluation, planning, GIS mapping, and assessment analysis throughout the county.
Secondary Address Matching
Warren County property records include matched secondary addresses totaling 64,318 parcels connected to primary parcel data, covering unit numbers, alternate mailing addresses, and multi-unit properties such as condos and apartments. This enhanced address layer improves geocoding accuracy, parcel matching, and property analysis. The address source date is January 1, 2026, reflecting the most recent update.
Standardized Zoning Coverage
Warren County maintains standardized zoning coverage across 52,118 parcels in its property dataset, where zoning codes and land-use descriptions are cleaned and normalized for consistent classification. This standardized zoning data reflects the county’s most recent update as of May 17, 2025, enabling planners, analysts, and researchers to use zoning attributes reliably for mapping, property assessments, and GIS analysis.
Warren County New Jersey Cities Overview (2026 Estimates)
Warren County includes 25 townships, boroughs, and towns with an estimated 228,000 residents in 2026. Largest is Washington Township (~50,386), followed by Phillipsburg, Hackettstown, Lopatcong, and Belvidere. The county features a mix of small towns, suburban communities, and economic hubs, offering diverse living and growth opportunities.
| Rank | City / Township | Population (2024 Est.) | Previous (2020) | Growth % | Density (per sq mi) | Area (sq mi) | Type |
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FAQ's
How can I search for property tax and assessment information in Warren County?
You can access detailed property tax and assessment records online through Warren County’s official property search tools, enabling homeowners and buyers to view current valuations and payment history.
When are property assessments conducted in Warren County?
Property assessments are typically updated annually or as mandated by county regulations to reflect accurate market values for tax purposes, ensuring fair and equitable taxation.
What are the deadlines for paying property taxes in Warren County?
Property tax due dates vary depending on local municipalities. Most towns issue quarterly or semi-annual bills, and timely payments prevent penalties and interest charges.
How is property tax calculated in Warren County?
Property taxes are calculated based on assessed property value multiplied by the municipal and county tax rates. Additional levies for schools and special districts may also apply.
Where can I find important property notices in Warren County?
Homeowners and property investors can find official notices, including tax bills, assessments, and foreclosure updates, through the Warren County tax office or online property portals.