When was 221 Dupont Ave, Hopatcong Boro, NJ last sold?

The most recent recorded sale was in 2019 for $328,000.

What is the assessed value of 221 Dupont Ave, Hopatcong Boro, NJ?

The total municipal assessment is $427,800 (land plus improvements).

What is 221 Dupont Ave, Hopatcong Boro, NJ worth?

Our model estimates a market value of $429,478, derived from comparable recorded sales nearby.

How many units does 221 Dupont Ave, Hopatcong Boro, NJ have?

Records show 1 dwelling unit at 221 Dupont Ave, Hopatcong Boro, NJ.

What kind of property is 221 Dupont Ave, Hopatcong Boro, NJ?

MOD-IV classifies it as Residential 1-4 unit (class 2).

parceldata.nj

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221 Dupont Ave, Hopatcong Boro, NJ — owner, sales, deeds · parceldata

221 Dupont Ave

Hopatcong Boro, NJ 07843·Sussex County

1912·block 30903·lot 31

$429,478estimated value

Last sale

$328,000

1/24/2020 · SR1A 2020

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

—

Building size

1,420 sq ft

Lot size

0.75 ac

Land description

62X100

Building description

1SF

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$427,800

Land value

$140,100

Improvement value

$287,700

Last year's tax

$8,920

Last MOD-IV sale

$328,000

MOD-IV deed date

12/18/2019

Owner mailing address

221 DUPONT AVE
HOPATCONG, NJ 07843

Estimated market value

$429,478

range $385,647 – $491,716

moderate confidence

Assessment-implied: $484,540; Director's Ratio 0.8829 (2025)
Comp-implied: $373,684; 30 comparable sales

Estimated value, last 11 years

2016: $188,970 → 2026: $429,478

dots are actual sale prices for this property

Based on 30 comparable sales

Bordering

200-ft notice list →

223 Dupont Ave
Lot 30·$409,200
219 Dupont Ave
Lot 32·$241,400
210 Hudson Ave
Lot 9·$25,400

Block 30903All of Block 30903 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 0,
  "portfolioKeys": {
    "fullKeys": [
      "221 DUPONT AVE HOPATCONG NJ 07843"
    ],
    "zipKeys": [
      "221 DUPONT AVE 07843"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "1912_30903_31",
  "county_code": "19",
  "district_code": "12",
  "block": "30903",
  "lot": "31",
  "qualifier": "",
  "property_location": "221 DUPONT AVE",
  "property_class": "2",
  "bldg_class": "17",
  "bldg_desc": "1SF",
  "land_desc": "62X100",
  "year_built": null,
  "living_sqft": 1420,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "14010000",
  "improvement_value_cents": "28770000",
  "net_value_cents": "42780000",
  "last_yr_tx_cents": "891963",
  "deed_date": "2019-12-18",
  "deed_book": "3546",
  "deed_page": "744",
  "sale_price_cents": "32800000",
  "sales_code": null,
  "owner_mailing_street": "221 DUPONT AVE",
  "owner_mailing_city_state_zip": "HOPATCONG, NJ  07843",
  "mun_name": "HOPATCONG BORO",
  "calc_acre": "0.749000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.65755174259289,
  "centroid_lat": 40.94664996299649
}

SR1A

[
  {
    "id": "09dd16f1-ab3d-4b35-9d1d-58872daeb5ba",
    "property_id": null,
    "county_code": "19",
    "district_code": "12",
    "block": "30903",
    "lot": "31",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": "2019-12-18",
    "date_recorded": "2020-01-24",
    "sale_price_cents": "32800000",
    "sr1a_year": 2020,
    "source": "sr1a"
  },
  {
    "id": "5ca6f81d-d18f-4114-b664-deee5e28fbd7",
    "property_id": "b81f6903-80af-4af4-93f3-9d27e91984a0",
    "county_code": "19",
    "district_code": "12",
    "block": "30903",
    "lot": "31",
    "qualifier": "",
    "deed_book": "3546",
    "deed_page": "744",
    "deed_date": "2019-12-18",
    "date_recorded": "2020-01-24",
    "sale_price_cents": "32800000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "9cb7502d-04ba-448b-91fc-73954d8a42fd",
    "property_id": "b81f6903-80af-4af4-93f3-9d27e91984a0",
    "county_code": "19",
    "district_code": "12",
    "block": "30903",
    "lot": "31",
    "qualifier": "",
    "deed_book": "3546",
    "deed_page": "744",
    "deed_date": "2019-12-18",
    "date_recorded": "2019-12-18",
    "sale_price_cents": "32800000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "83dcb81b-639f-47c9-bd15-da04562392b1",
    "property_id": "b81f6903-80af-4af4-93f3-9d27e91984a0",
    "county_code": "19",
    "district_code": "12",
    "block": "30903",
    "lot": "31",
    "qualifier": "",
    "deed_book": "3520",
    "deed_page": "34",
    "deed_date": "2019-06-05",
    "date_recorded": "2019-06-12",
    "sale_price_cents": "15000000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "72ea541c-60c2-4dc5-8d50-95563142b526",
    "property_id": "b81f6903-80af-4af4-93f3-9d27e91984a0",
    "county_code": "19",
    "district_code": "12",
    "block": "30903",
    "lot": "31",
    "qualifier": "",
    "deed_book": "3520",
    "deed_page": "34",
    "deed_date": "2019-06-05",
    "date_recorded": "2019-06-05",
    "sale_price_cents": "15000000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "a884b64f-c814-41c5-a361-3906b252a772",
    "property_id": "b81f6903-80af-4af4-93f3-9d27e91984a0",
    "county_code": "19",
    "district_code": "12",
    "block": "30903",
    "lot": "31",
    "qualifier": "",
    "deed_book": "3515",
    "deed_page": "349",
    "deed_date": "2019-04-16",
    "date_recorded": "2019-04-24",
    "sale_price_cents": "7100000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  }
]

API record·permalink

Frequently asked questions

When was 221 Dupont Ave, Hopatcong Boro, NJ last sold?: The most recent recorded sale was in 2019 for $328,000.
What is the assessed value of 221 Dupont Ave, Hopatcong Boro, NJ?: The total municipal assessment is $427,800 (land plus improvements).
What is 221 Dupont Ave, Hopatcong Boro, NJ worth?: Our model estimates a market value of $429,478, derived from comparable recorded sales nearby.
How many units does 221 Dupont Ave, Hopatcong Boro, NJ have?: Records show 1 dwelling unit at 221 Dupont Ave, Hopatcong Boro, NJ.
What kind of property is 221 Dupont Ave, Hopatcong Boro, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2).

Address	Sold	Price
3 Conklin Ave	3/25/2026	$355,000
117 Brendona Ave	3/18/2026	$515,000
17 Frances Ave	1/29/2026	$451,000
334 Lakeside Blvd	12/23/2025	$460,000
106 Leland TR	12/1/2025	$440,000
32 Mountain Rd	11/7/2025	$398,000
410 Wills Ave	11/3/2025	$491,000
4 Toledo CT	10/28/2025	$292,500
12 Fiske TR	10/1/2025	$505,000
9 Center St	7/24/2025	$530,000
45 Kynor Ave	3/19/2025	$475,000
149 Madison TR	3/19/2025	$400,000
21 Center St	2/21/2025	$417,000
1 The Ways	2/7/2025	$510,004
23 Musconetcong Ave	1/10/2025	$590,000
14 Northwestern Way	1/6/2025	$450,000
39 Mountain TR	1/2/2025	$437,500
7 Russell Rd	12/26/2024	$385,000
10 Crescent Rd	12/9/2024	$350,000
229 Squaw TR	11/27/2024	$1,245,000
89 Leo Ave	11/20/2024	$501,000
11 Delaware Ave	11/20/2024	$315,000
20 Coolidge TR	11/20/2024	$385,000
18 Lines Ave	11/19/2024	$457,000
107 Blackfoot TR	11/5/2024	$399,000
110 Hudson Ave	9/18/2024	$630,000
16 Daydream Ln	8/16/2024	$318,250
9 Dale TR	6/13/2024	$402,000
478 Maxim Dr	6/10/2024	$352,000
110 Hudson Ave	5/29/2024	$337,000

Sales history

1/24/2020$328,000
SR1A 2020
1/24/2020$328,000
taxrecords_njBk 3546 / Pg 744
12/18/2019$328,000
MOD-IV (Rutgers)Bk 3546 / Pg 744
6/12/2019$150,000
taxrecords_njBk 3520 / Pg 34
6/5/2019$150,000
MOD-IV (Rutgers)Bk 3520 / Pg 34
4/24/2019$71,000
taxrecords_njBk 3515 / Pg 349

Date	Price	Book / Page	Source
1/24/2020	$328,000	—	SR1A 2020
1/24/2020	$328,000	3546 / 744	taxrecords_nj
12/18/2019	$328,000	3546 / 744	MOD-IV (Rutgers)
6/12/2019	$150,000	3520 / 34	taxrecords_nj
6/5/2019	$150,000	3520 / 34	MOD-IV (Rutgers)
4/24/2019	$71,000	3515 / 349	taxrecords_nj