When was 304 Willow Grove St, Hackettstown, NJ last sold?

The most recent recorded sale was in 2020 for $360,000.

What is the assessed value of 304 Willow Grove St, Hackettstown, NJ?

The total municipal assessment is $293,000 (land plus improvements).

What is 304 Willow Grove St, Hackettstown, NJ worth?

Our model estimates a market value of $533,978, derived from comparable recorded sales nearby.

How many units does 304 Willow Grove St, Hackettstown, NJ have?

Records show 1 dwelling unit at 304 Willow Grove St, Hackettstown, NJ.

What kind of property is 304 Willow Grove St, Hackettstown, NJ?

MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1998.

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

304 Willow Grove St

Hackettstown, NJ 07840·Warren County

2108·block 119·lot 89.02

$533,978estimated value

Last sale

$360,000

12/1/2020 · taxrecords_nj

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1998

Building size

1,890 sq ft

Lot size

0.29 ac

Land description

.29 ACRE

Building description

2SF-AL

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$293,000

Land value

$97,200

Improvement value

$195,800

Last year's tax

$10,018

Last MOD-IV sale

$360,000

MOD-IV deed date

11/12/2020

Owner mailing address

304 WILLOW GROVE ST
HACKETTSTOWN NJ 07840

Estimated market value

$533,978

range $478,871 – $574,628

moderate confidence

Assessment-implied: $393,923; Director's Ratio 0.7438 (2025)
Comp-implied: $533,451; 19 comparable sales

Estimated value, last 11 years

2016: $259,812 → 2026: $533,978

dots are actual sale prices for this property

Based on 19 comparable sales

Bordering

200-ft notice list →

140 Willow Grove St
Lot 81·$947,500
302 Willow Grove St
Lot 89.01·$318,400
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": [
      "304 WILLOW GROVE ST HACKETTSTOWN NJ 07840"
    ],
    "zipKeys": [
      "304 WILLOW GROVE ST 07840"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "2108_119_89.02",
  "county_code": "21",
  "district_code": "08",
  "block": "119",
  "lot": "89.02",
  "qualifier": "",
  "property_location": "304 WILLOW GROVE ST",
  "property_class": "2",
  "bldg_class": "17",
  "bldg_desc": "2SF-AL",
  "land_desc": ".29 ACRE",
  "year_built": 1998,
  "living_sqft": 1890,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "9720000",
  "improvement_value_cents": "19580000",
  "net_value_cents": "29300000",
  "last_yr_tx_cents": "1001767",
  "deed_date": "2020-11-12",
  "deed_book": "3112",
  "deed_page": "216",
  "sale_price_cents": "36000000",
  "sales_code": null,
  "owner_mailing_street": "304 WILLOW GROVE ST",
  "owner_mailing_city_state_zip": "HACKETTSTOWN NJ  07840",
  "mun_name": "HACKETTSTOWN TOWN",
  "calc_acre": "0.290000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.821238611596,
  "centroid_lat": 40.852523059377994
}

SR1A

[
  {
    "id": "97955a9c-d17b-438a-864c-8b6af4c1ac8b",
    "property_id": "b7fbe24f-c739-482b-88f0-8d107d54ac38",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "89.02",
    "qualifier": "",
    "deed_book": "3112",
    "deed_page": "216",
    "deed_date": "2020-11-12",
    "date_recorded": "2020-12-01",
    "sale_price_cents": "36000000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "26ef0aef-bf83-4a49-b078-d12bca217aa0",
    "property_id": "b7fbe24f-c739-482b-88f0-8d107d54ac38",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "89.02",
    "qualifier": "",
    "deed_book": "3112",
    "deed_page": "216",
    "deed_date": "2020-11-12",
    "date_recorded": "2020-11-12",
    "sale_price_cents": "36000000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "29db65f8-e7c6-457d-8497-0e496c1f7eb5",
    "property_id": "b7fbe24f-c739-482b-88f0-8d107d54ac38",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "89.02",
    "qualifier": "",
    "deed_book": "2871",
    "deed_page": "48",
    "deed_date": "2018-06-01",
    "date_recorded": "2018-06-26",
    "sale_price_cents": "29900000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "4add2cea-9d45-4094-beb2-594189dc9e37",
    "property_id": "b7fbe24f-c739-482b-88f0-8d107d54ac38",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "89.02",
    "qualifier": "",
    "deed_book": "2871",
    "deed_page": "48",
    "deed_date": "2018-06-01",
    "date_recorded": "2018-06-01",
    "sale_price_cents": "29900000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "372e3322-d069-4a21-a679-8b1d16d087c4",
    "property_id": "b7fbe24f-c739-482b-88f0-8d107d54ac38",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "89.02",
    "qualifier": "",
    "deed_book": "1878",
    "deed_page": "34",
    "deed_date": "2003-07-24",
    "date_recorded": "2003-07-24",
    "sale_price_cents": "29500000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "8de44757-cbb8-46b3-ba67-5250c0634f19",
    "property_id": "b7fbe24f-c739-482b-88f0-8d107d54ac38",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "89.02",
    "qualifier": "",
    "deed_book": "1563",
    "deed_page": "153",
    "deed_date": "1998-04-24",
    "date_recorded": "1998-04-24",
    "sale_price_cents": "16490000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

When was 304 Willow Grove St, Hackettstown, NJ last sold?: The most recent recorded sale was in 2020 for $360,000.
What is the assessed value of 304 Willow Grove St, Hackettstown, NJ?: The total municipal assessment is $293,000 (land plus improvements).
What is 304 Willow Grove St, Hackettstown, NJ worth?: Our model estimates a market value of $533,978, derived from comparable recorded sales nearby.
How many units does 304 Willow Grove St, Hackettstown, NJ have?: Records show 1 dwelling unit at 304 Willow Grove St, Hackettstown, NJ.
What kind of property is 304 Willow Grove St, Hackettstown, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1998.

Address	Sold	Price
55 Saxton Dr	2/24/2026	$512,000
33 Saxton Dr	2/2/2026	$525,000
201 Fourth Ave	7/21/2025	$440,000
66 Saxton Dr	7/16/2025	$570,000
15 The Trail	4/8/2025	$457,500
107 Vail St	1/15/2025	$395,000
9 Saxton Dr	8/19/2024	$515,000
41 Musky Ridge Dr	8/5/2024	$520,000
156 Mountain Ave	7/5/2024	$333,000
39 Saxton Dr	6/7/2024	$550,000
16 Saxton Dr	4/18/2024	$495,000
28 Saxton Dr	11/1/2023	$500,000
61 Saxton Dr	9/15/2023	$471,500
306 Willow Grove St	9/5/2023	$180,725
110 Fourth St	8/7/2023	$285,000
220 Lafayette St	8/3/2023	$500,000
908 E Prospect St	6/27/2023	$415,000
15 The Trail	6/1/2023	$356,900
303 Park Ave	5/25/2023	$465,000

Sales history

12/1/2020$360,000
taxrecords_njBk 3112 / Pg 216
11/12/2020$360,000
MOD-IV (Rutgers)Bk 3112 / Pg 216
6/26/2018$299,000
taxrecords_njBk 2871 / Pg 48
6/1/2018$299,000
MOD-IV (Rutgers)Bk 2871 / Pg 48
7/24/2003$295,000
MOD-IV (Rutgers)Bk 1878 / Pg 34
4/24/1998$164,900
MOD-IV (Rutgers)Bk 1563 / Pg 153

Date	Price	Book / Page	Source
12/1/2020	$360,000	3112 / 216	taxrecords_nj
11/12/2020	$360,000	3112 / 216	MOD-IV (Rutgers)
6/26/2018	$299,000	2871 / 48	taxrecords_nj
6/1/2018	$299,000	2871 / 48	MOD-IV (Rutgers)
7/24/2003	$295,000	1878 / 34	MOD-IV (Rutgers)
4/24/1998	$164,900	1563 / 153	MOD-IV (Rutgers)