1770 Route 57

Mansfield Twp, NJ 07840·Warren County

2116·block 1702·lot 4

Last sale

2/24/2026 · SR1A 2026

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1916

Building size

2,242 sq ft

Lot size

3.93 ac

Land description

3.93 AC.

Building description

1.5SF1.5SF

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$313,500

Land value

$77,700

Improvement value

$235,800

Last year's tax

$11,089

Last MOD-IV sale

MOD-IV deed date

2/15/2026

Owner mailing address

1770 ROUTE 57
HACKETTSTOWN, NJ 07840

Sales history

2/24/2026$1
SR1A 2026Bk 3557 / Pg 266
2/15/2026$1
taxrecords_nj_ownersBk 3557 / Pg 266
8/26/1983$95,000
MOD-IV (Rutgers)Bk 837 / Pg 238

Date	Price	Book / Page	Source
2/24/2026	$1	3557 / 266	SR1A 2026
2/15/2026	$1	3557 / 266	taxrecords_nj_owners
8/26/1983	$95,000	837 / 238	MOD-IV (Rutgers)

Deeds

No deeds on file. Click to pull the title chain from the county clerk.

Bordering

200-ft notice list →

River Rd
Lot 12·$351,000
1756 Route 57
Lot 3·$30,600
15 River Rd
Lot 4.01·$136,600
Route 57
Lot 5·$1,300
17 River Rd
Lot 5·$286,200
1771 Route 57
Lot 6·$500
1776 Route 57
Lot 7·$120,900

Block 1702All of Block 1702 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 0,
  "portfolioKeys": {
    "fullKeys": [
      "1770 ROUTE 57 HACKETTSTOWN NJ 07840"
    ],
    "zipKeys": [
      "1770 ROUTE 57 07840"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "2116_1702_4",
  "county_code": "21",
  "district_code": "16",
  "block": "1702",
  "lot": "4",
  "qualifier": "",
  "property_location": "1770 ROUTE 57",
  "property_class": "2",
  "bldg_class": "17",
  "bldg_desc": "1.5SF1.5SF",
  "land_desc": "3.93 AC.",
  "year_built": 1916,
  "living_sqft": 2242,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "7770000",
  "improvement_value_cents": "23580000",
  "net_value_cents": "31350000",
  "last_yr_tx_cents": "1108850",
  "deed_date": "2026-02-15",
  "deed_book": "3557",
  "deed_page": "266",
  "sale_price_cents": "100",
  "sales_code": null,
  "owner_mailing_street": "1770 ROUTE 57",
  "owner_mailing_city_state_zip": "HACKETTSTOWN, NJ  07840",
  "mun_name": "MANSFIELD TWP",
  "calc_acre": "3.930000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.84556969455095,
  "centroid_lat": 40.81135291419175
}

SR1A

[
  {
    "id": "c04a88a0-b858-4581-9e1f-9101f6f9b788",
    "property_id": "149c12cf-8b8b-4884-9944-c68937ab7a3f",
    "county_code": "21",
    "district_code": "16",
    "block": "1702",
    "lot": "4",
    "qualifier": "",
    "deed_book": "3557",
    "deed_page": "266",
    "deed_date": "2026-02-15",
    "date_recorded": "2026-02-24",
    "sale_price_cents": "100",
    "sr1a_year": 2026,
    "source": "sr1a"
  },
  {
    "id": "b8f27a0f-ce3e-4ca1-89a0-318867ae8ada",
    "property_id": "149c12cf-8b8b-4884-9944-c68937ab7a3f",
    "county_code": "21",
    "district_code": "16",
    "block": "1702",
    "lot": "4",
    "qualifier": "",
    "deed_book": "3557",
    "deed_page": "266",
    "deed_date": "2026-02-15",
    "date_recorded": "2026-02-15",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "taxrecords_nj_owners"
  },
  {
    "id": "2ef9f233-af02-450a-acc9-393fdc338984",
    "property_id": "149c12cf-8b8b-4884-9944-c68937ab7a3f",
    "county_code": "21",
    "district_code": "16",
    "block": "1702",
    "lot": "4",
    "qualifier": "",
    "deed_book": "837",
    "deed_page": "238",
    "deed_date": "1983-08-26",
    "date_recorded": "1983-08-26",
    "sale_price_cents": "9500000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

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