Warren County and Mansfield Township property record for 1800 State Rte 57, Hackettstown, NJ 07840 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 1,708 sqft · built 1886 |
| Lot Size | 0.5 acres (21,780 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $134,500 (Nov 1988) |
| Tax Bill | $5,601 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 16-01702-0000-00012-01 |
| Primary APN | 16-01702-0000-00012-01 |
|---|---|
| Alternative APNs |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 1,708 sqft Living Area |
| Year Built | Built 1886 |
|---|---|
| Effective Year Built | Effective 1886 |
| Construction Type | Frame |
| Lot Area | 21,780 sqft (0.5 acres) |
| Old Parcel Number | 1601702000000012 |
|---|---|
| Street Address | 1800 STATE ROUTE 57 |
| City | HACKETTSTOWN |
| State | NJ |
| Zip | 07840-4166 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Block | 1702 |
| Legal Lot Number | 12.1 |
| Jurisdiction | WARREN NJ |
| Township / Civil Division | MANSFIELD |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 31500 |
Source: Warren County and Mansfield Township records · APN 16-01702-0000-00012-01
Assessment roll updated July 7, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1800 STATE ROUTE 57, HACKETTSTOWN, NJ 07840-4166 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 01, 1988 · Amount on Record |
| Deed Sale | Nov 01, 1988 · Amount on Record |
| Deed Book / Page | 1139 / 256 |
| Record Updated | Sep 20, 2026 |
Source: Warren County and Mansfield Township records · Assessment roll updated July 7, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | New Jersey |
| County | Warren County |
| County Subdivision | Mansfield Township |
| Elementary School District | Mansfield Township School District (KG - 06) |
| Secondary School District | Warren Hills Regional School District (07 - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $157,200 (-) Land $42,000 Building $115,200 | $157,200 (-) Land $42,000 Building $115,200 | |
| 2025 | $5,601.00 (+0.74%) | $157,200 (-) Land $42,000 Building $115,200 | $157,200 (-) Land $42,000 Building $115,200 |
| 2024 | $5,560.00 (+1.39%) | ||
| 2023 | $157,200 Land $42,000 Building $115,200 | $157,200 Land $42,000 Building $115,200 | |
| 2022 | $5,484.00 |
Source: FEMA National Flood Hazard Layer, Warren County (34041C), updated September 29, 2011 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 340410315003, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Cost | Premium on Record median of 4 individual NFIP policies nearby |
| Nearby Flood Policies | 4 in force 3 of 4 on primary residences |
| Nearby Flood Claims | 14 (1989–2024) |
| Claims Outside the SFHA | 9 of 14 |
| Most Recent Claim | Jan 2024, rainfall accumulation |
| Flood Events |
|
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026
| Historic District | Within the Beattystown listed 1990 · 32 contributing resources · NRIS 90001449 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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