When was 306 Willow Grove St, Hackettstown, NJ last sold?

The most recent recorded sale was in 2023 for $180,725.

What is the assessed value of 306 Willow Grove St, Hackettstown, NJ?

The total municipal assessment is $327,500 (land plus improvements).

What is 306 Willow Grove St, Hackettstown, NJ worth?

Our model estimates a market value of $311,367, derived from comparable recorded sales nearby.

How many units does 306 Willow Grove St, Hackettstown, NJ have?

Records show 1 dwelling unit at 306 Willow Grove St, Hackettstown, NJ.

What kind of property is 306 Willow Grove St, Hackettstown, NJ?

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

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

306 Willow Grove St

Hackettstown, NJ·Warren County

2108·block 119·lot 89.03

$311,367estimated value

Last sale

$180,725

9/5/2023 · taxrecords_nj

1 other property share this owner's mailing address.View portfolio →

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1998

Building size

2,008 sq ft

Lot size

0.31 ac

Land description

.31 ACRE

Building description

2S-AL

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$327,500

Land value

$98,800

Improvement value

$228,700

Last year's tax

$11,197

Last MOD-IV sale

$180,725

MOD-IV deed date

8/24/2023

Owner mailing address

19 WASHINGTON SQ CIR
WASHINGTON NJ 07882

Estimated market value

$311,367

range $281,881 – $341,565

high confidence

Assessment-implied: $440,307; Director's Ratio 0.7438 (2025)
Comp-implied: $519,483; 22 comparable sales

Estimated value, last 11 years

2016: $151,498 → 2026: $311,367

dots are actual sale prices for this property

Based on 22 comparable sales

Address	Sold	Price
55 Saxton Dr	2/24/2026	$512,000

Bordering

200-ft notice list →

140 Willow Grove St
Lot 81·$947,500
312 Willow Grove St
Lot 88·$275,000
304 Willow Grove St
Lot 89.02·$293,000

Block 119All of Block 119 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 1,
  "portfolioKeys": {
    "fullKeys": [
      "19 WASHINGTON SQ CIR WASHINGTON NJ 07882"
    ],
    "zipKeys": [
      "19 WASHINGTON SQ CIR 07882"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "2108_119_89.03",
  "county_code": "21",
  "district_code": "08",
  "block": "119",
  "lot": "89.03",
  "qualifier": "",
  "property_location": "306 WILLOW GROVE ST",
  "property_class": "2",
  "bldg_class": "17",
  "bldg_desc": "2S-AL",
  "land_desc": ".31 ACRE",
  "year_built": 1998,
  "living_sqft": 2008,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "9880000",
  "improvement_value_cents": "22870000",
  "net_value_cents": "32750000",
  "last_yr_tx_cents": "1119723",
  "deed_date": "2023-08-24",
  "deed_book": "3372",
  "deed_page": "112",
  "sale_price_cents": "18072500",
  "sales_code": null,
  "owner_mailing_street": "19 WASHINGTON SQ CIR",
  "owner_mailing_city_state_zip": "WASHINGTON NJ  07882",
  "mun_name": "HACKETTSTOWN TOWN",
  "calc_acre": "0.310000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.82111633713154,
  "centroid_lat": 40.85264521525016
}

SR1A

[
  {
    "id": "4fa3ba78-3d82-42a9-9fec-738a7c5fd705",
    "property_id": "1bff3f75-b3db-4966-96c9-c37cfb88d0c4",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "89.03",
    "qualifier": "",
    "deed_book": "3372",
    "deed_page": "112",
    "deed_date": "2023-08-24",
    "date_recorded": "2023-09-05",
    "sale_price_cents": "18072500",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "b75278bd-574e-41af-9e2b-e4a101576a81",
    "property_id": "1bff3f75-b3db-4966-96c9-c37cfb88d0c4",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "89.03",
    "qualifier": "",
    "deed_book": "3372",
    "deed_page": "112",
    "deed_date": "2023-08-24",
    "date_recorded": "2023-08-24",
    "sale_price_cents": "18072500",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "963dd7b7-6c44-440a-91d6-a95203d507a4",
    "property_id": "1bff3f75-b3db-4966-96c9-c37cfb88d0c4",
    "county_code": "21",
    "district_code": "08",
    "block": "119",
    "lot": "89.03",
    "qualifier": "",
    "deed_book": "1566",
    "deed_page": "159",
    "deed_date": "1998-05-15",
    "date_recorded": "1998-05-15",
    "sale_price_cents": "15990000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

When was 306 Willow Grove St, Hackettstown, NJ last sold?: The most recent recorded sale was in 2023 for $180,725.
What is the assessed value of 306 Willow Grove St, Hackettstown, NJ?: The total municipal assessment is $327,500 (land plus improvements).
What is 306 Willow Grove St, Hackettstown, NJ worth?: Our model estimates a market value of $311,367, derived from comparable recorded sales nearby.
How many units does 306 Willow Grove St, Hackettstown, NJ have?: Records show 1 dwelling unit at 306 Willow Grove St, Hackettstown, NJ.
What kind of property is 306 Willow Grove St, Hackettstown, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1998.

Sales history

9/5/2023$180,725
taxrecords_njBk 3372 / Pg 112
8/24/2023$180,725
MOD-IV (Rutgers)Bk 3372 / Pg 112
5/15/1998$159,900
MOD-IV (Rutgers)Bk 1566 / Pg 159

Date	Price	Book / Page	Source
9/5/2023	$180,725	3372 / 112	taxrecords_nj
8/24/2023	$180,725	3372 / 112	MOD-IV (Rutgers)
5/15/1998	$159,900	1566 / 159	MOD-IV (Rutgers)