When was 644 Willow Grove St, Hackettstown, NJ last sold?

The most recent recorded sale was in 2022 for $535,000.

What is the assessed value of 644 Willow Grove St, Hackettstown, NJ?

The total municipal assessment is $261,800 (land plus improvements).

What is 644 Willow Grove St, Hackettstown, NJ worth?

Our model estimates a market value of $587,421, derived from comparable recorded sales nearby.

How many units does 644 Willow Grove St, Hackettstown, NJ have?

Records show 1 dwelling unit at 644 Willow Grove St, Hackettstown, NJ.

What kind of property is 644 Willow Grove St, Hackettstown, NJ?

MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1938.

parceldata.nj

Loading…

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

644 Willow Grove St

Hackettstown, NJ 07840·Warren County

2108·block 119·lot 3

$587,421estimated value

Last sale

$535,000

8/10/2022 · SR1A 2023

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1938

Building size

1,872 sq ft

Lot size

0.83 ac

Land description

150X250 IRR

Building description

1.5SF3G

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$261,800

Land value

$104,500

Improvement value

$157,300

Last year's tax

$8,951

Last MOD-IV sale

$106,250

MOD-IV deed date

3/9/2017

Owner mailing address

644 WILLOW GROVE ST
HACKETTSTOWN NJ 07840

Estimated market value

$587,421

range $514,769 – $654,420

high confidence

Assessment-implied: $351,976; Director's Ratio 0.7438 (2025)
Comp-implied: $523,953; 14 comparable sales

Estimated value, last 11 years

2016: $285,815 → 2026: $587,421

dots are actual sale prices for this property

Based on 14 comparable sales

Bordering

200-ft notice list →

Helm's Mill Rd
Lot 1.47
74 Helm's Mill Rd
Lot 1.49·$450,000
76 Helm's Mill Rd
Lot 1.50·$438,000
78 Helm's Mill Rd
Lot 1.51·$536,000
642 Willow Grove St
Lot 1.57·$266,200
698 Willow Grove St
Lot 1.58·$360,800

Block 119All of Block 119 →

Debug — raw data per source

Computed

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

MOD-IV

{
  "pams_pin": "2108_119_3",
  "county_code": "21",
  "district_code": "08",
  "block": "119",
  "lot": "3",
  "qualifier": "",
  "property_location": "644 WILLOW GROVE ST",
  "property_class": "2",
  "bldg_class": "16.5",
  "bldg_desc": "1.5SF3G",
  "land_desc": "150X250 IRR",
  "year_built": 1938,
  "living_sqft": 1872,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "10450000",
  "improvement_value_cents": "15730000",
  "net_value_cents": "26180000",
  "last_yr_tx_cents": "895094",
  "deed_date": "2017-03-09",
  "deed_book": "2750",
  "deed_page": "315",
  "sale_price_cents": "10625000",
  "sales_code": null,
  "owner_mailing_street": "644 WILLOW GROVE ST",
  "owner_mailing_city_state_zip": "HACKETTSTOWN NJ  07840",
  "mun_name": "HACKETTSTOWN TOWN",
  "calc_acre": "0.830000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.8108467092084,
  "centroid_lat": 40.865927516926924
}

SR1A

[
  {
    "id": "142e8711-9a7e-47cf-9c2a-3c098a4c46b9",
    "property_id": null,
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "3",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": "2022-08-08",
    "date_recorded": "2022-08-10",
    "sale_price_cents": "53500000",
    "sr1a_year": 2023,
    "source": "sr1a"
  },
  {
    "id": "84c6a654-2920-4ab9-9bbf-c897632258ff",
    "property_id": null,
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "3",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": "2021-12-15",
    "date_recorded": "2022-01-04",
    "sale_price_cents": "51000000",
    "sr1a_year": 2022,
    "source": "sr1a"
  },
  {
    "id": "6c5e2c25-9517-4863-a51c-e3f7334a7a66",
    "property_id": null,
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "3",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": "2021-07-05",
    "date_recorded": "2021-08-12",
    "sale_price_cents": "42500000",
    "sr1a_year": 2022,
    "source": "sr1a"
  },
  {
    "id": "d27bf929-5639-46ce-887b-7f6bff020c29",
    "property_id": "60795137-b021-489f-97b8-bc7d96e1a4f5",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "3",
    "qualifier": "",
    "deed_book": "2750",
    "deed_page": "315",
    "deed_date": "2017-03-09",
    "date_recorded": "2017-03-29",
    "sale_price_cents": "10625000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "dfb2ca77-b758-4d9e-a799-1e6d940aa3c1",
    "property_id": "60795137-b021-489f-97b8-bc7d96e1a4f5",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "3",
    "qualifier": "",
    "deed_book": "2750",
    "deed_page": "315",
    "deed_date": "2017-03-09",
    "date_recorded": "2017-03-09",
    "sale_price_cents": "10625000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "2f69e546-f765-4007-8656-b76f8c0ec6c0",
    "property_id": "60795137-b021-489f-97b8-bc7d96e1a4f5",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "3",
    "qualifier": "",
    "deed_book": "1645",
    "deed_page": "135",
    "deed_date": "1999-08-30",
    "date_recorded": "1999-08-30",
    "sale_price_cents": "12500000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

When was 644 Willow Grove St, Hackettstown, NJ last sold?: The most recent recorded sale was in 2022 for $535,000.
What is the assessed value of 644 Willow Grove St, Hackettstown, NJ?: The total municipal assessment is $261,800 (land plus improvements).
What is 644 Willow Grove St, Hackettstown, NJ worth?: Our model estimates a market value of $587,421, derived from comparable recorded sales nearby.
How many units does 644 Willow Grove St, Hackettstown, NJ have?: Records show 1 dwelling unit at 644 Willow Grove St, Hackettstown, NJ.
What kind of property is 644 Willow Grove St, Hackettstown, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1938.

Sales history

8/10/2022$535,000
SR1A 2023
1/4/2022$510,000
SR1A 2022
8/12/2021$425,000
SR1A 2022
3/29/2017$106,250
taxrecords_njBk 2750 / Pg 315
3/9/2017$106,250
MOD-IV (Rutgers)Bk 2750 / Pg 315
8/30/1999$125,000
MOD-IV (Rutgers)Bk 1645 / Pg 135

Date	Price	Book / Page	Source
8/10/2022	$535,000	—	SR1A 2023
1/4/2022	$510,000	—	SR1A 2022
8/12/2021	$425,000	—	SR1A 2022
3/29/2017	$106,250	2750 / 315	taxrecords_nj
3/9/2017	$106,250	2750 / 315	MOD-IV (Rutgers)
8/30/1999	$125,000	1645 / 135	MOD-IV (Rutgers)

401 E Baldwin St	3/3/2026	$520,000
509 Willow Grove St	8/14/2025	$365,000
211 Seber Rd	7/9/2025	$520,000
23 The Trail	3/11/2025	$405,000
1 The Trail	1/9/2025	$673,000
308 Willow Grove St	8/6/2024	$480,000
27 Shelley Dr	1/3/2024	$399,900
315 Willow Grove St	12/28/2023	$430,000
612 Willow Grove St	11/1/2023	$500,000
308 Willow Grove St	9/5/2023	$180,725
7 Jay CT	8/21/2023	$438,500
220 Lafayette St	8/3/2023	$500,000
706 E Valley View Ave	6/30/2023	$589,000
706 E Valley View Ave	6/2/2023	$500,000