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 total 52,434 parcels, 57,326 matched buildings, 44,600 baseline addresses matched, and 53,191 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 YTD
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 YTD
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 total 52,434 parcels with detailed land, ownership, and zoning data. Records were last updated on March 10, 2026, ensuring current real estate information and relevance into through out the 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 total 52,434 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 comprehensive refresh for Warren County property records was completed on March 10, 2026. This ensures that all land, parcel, and valuation datasets remain accurate, providing homeowners, investors, and researchers with the most reliable information for real estate planning and market analysis.
Matched Buildings Data
Warren County’s database features 57,326 matched buildings linked directly to parcel records. Utilizing high-resolution multi-year composite imagery, this dataset provides detailed structural insights to support precise property evaluations, GIS mapping, and professional assessment analysis across all residential and commercial properties in the county.
Secondary Address Matching
Warren County’s geocoding infrastructure features 53,191 standardized secondary address mappings linked to primary parcel records. Updated as of May 1, 2026, this enhanced layer covers unit numbers, condos, apartments, and alternate mailing locations, ensuring superior geocoding accuracy and reliable property analysis for the entire county.
Standardized Zoning Coverage
Warren County provides 52,434 parcels with standardized zoning coverage. Refined and normalized as of February 16, 2026, this dataset ensures consistent land-use classifications and descriptions. This professional-grade data allows analysts, planners, and GIS experts to utilize zoning attributes reliably for mapping, property assessment, and land-use planning workflows.
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?
Easily access Warren County property tax, assessment records, and valuation history. Use our Property Search Tool to view reliable, up-to-date data for residential and commercial properties throughout the county.
When are property assessments conducted in Warren County?
Warren County property assessments are typically updated annually to reflect current market values. This ensures fair, equitable taxation for all residents.
What are the deadlines for paying property taxes in Warren County?
In Warren County, NJ, property taxes are due quarterly on February 1, May 1, August 1, and November 1. Most municipalities offer a 10-day grace period. Use our Property Search Tool for payment details.
How is property tax calculated in Warren County?
Property taxes in Warren County are determined by multiplying your property’s assessed value by the local tax rate, which accounts for municipal, school, and county budgetary needs.
Where can I find important property notices in Warren County?
Access official property notices—including tax assessments, bills, and foreclosure listings—through the Warren County Clerk’s Public Records portal or the Sheriff’s foreclosure site.