Median estimated market value for properties in this county.
AssessorSearch county dataWarren County, NJ
Warren County, NJ assessor property search and records
Use this county guide to find official assessor property search resources, recorder and deed links, tax records, GIS parcel maps, permits, and property data insights for Warren County, New Jersey. Search an address or APN, then jump to official county sources or property tax and value data.
Search a Warren County address or APN
Official sources
Warren County assessor, recorder, tax, and parcel map sources
Use this table to find the official county source for assessor property search, recorded documents, property tax, GIS parcel maps, permits, and zoning records.
| Record type | Official source | Notes |
|---|---|---|
| Assessed values | Warren County Board of Taxationwww.warrencountynj.gov/government/tax-board |
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| Deeds and recorded documents | Warren County Clerk Public Land Recordswww.searchiqs.com/njwar/ |
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| Property taxes | Warren County Board of Taxationwww.warrencountynj.gov/government/tax-board |
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| GIS and parcel maps | Warren County GIS Hubhub-warrencountynj.hub.arcgis.com |
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| Permits and building records | Warren Township Building Permitswarrennj.org/154/Building-Permits |
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County data
Warren County tax rates and property values
County and city-level rollups from AssessorSearch indexed property data. Use these values as directional context, then verify parcel-specific details with the official county sources above.
Median assessed value from county assessment records when available.
AssessorSearch county dataMedian annual property tax amount from indexed tax records when available.
AssessorSearch county dataMedian effective property tax rate calculated from annual tax and value fields.
AssessorSearch county dataCity property data
Top city rollups for estimated value, assessed value, property tax rate, and tax amount.
| City | Median estimated value | Median assessed value | Median effective property tax rate | Median tax amount |
|---|---|---|---|---|
| Phillipsburg | $334,397 | $150,900 | 1.68% | $5,704 |
| Hackettstown | $469,848 | $248,000 | 1.77% | $8,524 |
| Washington | $415,286 | $182,000 | 2.04% | $8,410 |
| Belvidere | $422,449 | $235,500 | 1.48% | $6,500 |
| Blairstown | $523,399 | $272,300 | 1.65% | $8,646 |
| Stewartsville | $537,058 | $248,100 | 1.79% | $9,709 |
| Oxford | $441,647 | $190,500 | 1.91% | $7,660 |
| Columbia | $486,941 | $225,000 | 1.68% | $8,040 |
| Great Meadows | $497,362 | $247,600 | 1.72% | $8,502 |
| Port Murray | $489,470 | $232,550 | 1.63% | $7,596 |
FAQ
Warren County property records FAQ
Common questions about assessor, deed, tax, GIS, and permit records.
Where can I search Warren County property records by address?
Use the official Warren County Board of Taxation to search Warren County property records by address or parcel number. Use AssessorSearch property search as a free, easy-to-use option to search Warren County by address or APN.
How do I find the owners of Warren County properties?
Use the official Warren County Board of Taxation for county ownership and parcel records when owner names are available online. Use AssessorSearch property search as a free, easy-to-use option to look up Warren County properties by address or APN.
Where can I verify assessed value in Warren County?
Use the official Warren County Board of Taxation for assessed values, parcel details, exemptions, and property characteristics when those records are available online.
Where can I look up Warren County property tax bills or payments?
Use the official Warren County Board of Taxation for property tax bills, payment history, due dates, or tax collector records.
Where can I find deeds or recorded documents in Warren County?
Use the official Warren County Clerk Public Land Records for deeds, mortgages, liens, plats, and other recorded documents. These records are usually separate from assessor property-value records.
Where can I view parcel maps or GIS data in Warren County?
Use the official Warren County GIS Hub for parcel maps, map layers, boundaries, and GIS context. GIS maps should be treated as reference tools, not legal surveys.
Where can I search permits or zoning in Warren County?
Use Warren Township Building Permits for permit or building records. City properties may require city-specific permit portals.
Can I build a list of Warren County property owners?
Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.
Related counties
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Use related county pages when researching nearby property records or comparing official source patterns.