When was 312 Willow Grove St, Hackettstown, NJ last sold?

The most recent recorded sale was in 2019 for $265,000.

What is the assessed value of 312 Willow Grove St, Hackettstown, NJ?

The total municipal assessment is $275,000 (land plus improvements).

What is 312 Willow Grove St, Hackettstown, NJ worth?

Our model estimates a market value of $426,381, derived from comparable recorded sales nearby.

How many units does 312 Willow Grove St, Hackettstown, NJ have?

Records show 1 dwelling unit at 312 Willow Grove St, Hackettstown, NJ.

What kind of property is 312 Willow Grove St, Hackettstown, NJ?

MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1950.

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312 Willow Grove St, Hackettstown, NJ — owner, sales, deeds · parceldata

312 Willow Grove St

Hackettstown, NJ 07840·Warren County

2108·block 119·lot 88

$426,381estimated value

Last sale

$265,000

5/17/2019 · taxrecords_nj

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1950

Building size

1,514 sq ft

Lot size

0.57 ac

Land description

117X237 IRR .59 ACRE

Building description

1SF2G

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$275,000

Land value

$121,100

Improvement value

$153,900

Last year's tax

$9,402

Last MOD-IV sale

$265,000

MOD-IV deed date

5/15/2019

Owner mailing address

312 WILLOW GROVE ST
HACKETTSTOWN NJ 07840

Estimated market value

$426,381

range $336,555 – $569,516

moderate confidence

Assessment-implied: $369,723; Director's Ratio 0.7438 (2025)
Comp-implied: $444,963; 30 comparable sales

Estimated value, last 11 years

2016: $207,460 → 2026: $426,381

dots are actual sale prices for this property

Based on 30 comparable sales

Address	Sold	Price
401 E Baldwin St	3/3/2026	$520,000
704 E Valley View Ave	2/13/2026	$571,500

Bordering

200-ft notice list →

140 Willow Grove St
Lot 81·$947,500
306 Willow Grove St
Lot 89.03·$327,500

Block 119All of Block 119 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 0,
  "portfolioKeys": {
    "fullKeys": [
      "312 WILLOW GROVE ST HACKETTSTOWN NJ 07840"
    ],
    "zipKeys": [
      "312 WILLOW GROVE ST 07840"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "2108_119_88",
  "county_code": "21",
  "district_code": "08",
  "block": "119",
  "lot": "88",
  "qualifier": "",
  "property_location": "312 WILLOW GROVE ST",
  "property_class": "2",
  "bldg_class": "16.5",
  "bldg_desc": "1SF2G",
  "land_desc": "117X237 IRR .59 ACRE",
  "year_built": 1950,
  "living_sqft": 1514,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "12110000",
  "improvement_value_cents": "15390000",
  "net_value_cents": "27500000",
  "last_yr_tx_cents": "940225",
  "deed_date": "2019-05-15",
  "deed_book": "2960",
  "deed_page": "318",
  "sale_price_cents": "26500000",
  "sales_code": null,
  "owner_mailing_street": "312 WILLOW GROVE ST",
  "owner_mailing_city_state_zip": "HACKETTSTOWN NJ  07840",
  "mun_name": "HACKETTSTOWN TOWN",
  "calc_acre": "0.570000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.82093768510654,
  "centroid_lat": 40.85282781013002
}

SR1A

[
  {
    "id": "7ab09fe1-895a-4da1-9c54-f082d8aadc78",
    "property_id": "d77af4aa-21aa-4337-ad28-a26d2ed117a3",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "88",
    "qualifier": "",
    "deed_book": "2960",
    "deed_page": "318",
    "deed_date": "2019-05-15",
    "date_recorded": "2019-05-17",
    "sale_price_cents": "26500000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "7d7d2bd0-3d63-4359-90b2-d6bd04f44f2c",
    "property_id": "d77af4aa-21aa-4337-ad28-a26d2ed117a3",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "88",
    "qualifier": "",
    "deed_book": "2960",
    "deed_page": "318",
    "deed_date": "2019-05-15",
    "date_recorded": "2019-05-15",
    "sale_price_cents": "26500000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

When was 312 Willow Grove St, Hackettstown, NJ last sold?: The most recent recorded sale was in 2019 for $265,000.
What is the assessed value of 312 Willow Grove St, Hackettstown, NJ?: The total municipal assessment is $275,000 (land plus improvements).
What is 312 Willow Grove St, Hackettstown, NJ worth?: Our model estimates a market value of $426,381, derived from comparable recorded sales nearby.
How many units does 312 Willow Grove St, Hackettstown, NJ have?: Records show 1 dwelling unit at 312 Willow Grove St, Hackettstown, NJ.
What kind of property is 312 Willow Grove St, Hackettstown, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1950.

Sales history

5/17/2019$265,000
taxrecords_njBk 2960 / Pg 318
5/15/2019$265,000
MOD-IV (Rutgers)Bk 2960 / Pg 318

Date	Price	Book / Page	Source
5/17/2019	$265,000	2960 / 318	taxrecords_nj
5/15/2019	$265,000	2960 / 318	MOD-IV (Rutgers)