When was 343 Dupont Ave, Hopatcong Boro, NJ last sold?

The most recent recorded sale was in 2019 for $130,000.

What is the assessed value of 343 Dupont Ave, Hopatcong Boro, NJ?

The total municipal assessment is $360,900 (land plus improvements).

What is 343 Dupont Ave, Hopatcong Boro, NJ worth?

Our model estimates a market value of $389,412, derived from comparable recorded sales nearby.

How many units does 343 Dupont Ave, Hopatcong Boro, NJ have?

Records show 1 dwelling unit at 343 Dupont Ave, Hopatcong Boro, NJ.

What kind of property is 343 Dupont Ave, Hopatcong Boro, NJ?

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

parceldata.nj

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

343 Dupont Ave

Hopatcong Boro, NJ 07843·Sussex County

1912·block 31005·lot 29

$389,412estimated value

Last sale

$130,000

12/10/2019 · SR1A 2020

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

—

Building size

1,456 sq ft

Lot size

0.15 ac

Land description

64X100

Building description

—

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$360,900

Land value

$126,000

Improvement value

$234,900

Last year's tax

$7,525

Last MOD-IV sale

$130,000

MOD-IV deed date

11/23/2019

Owner mailing address

343 DUPONT AVE
HOPATCONG, NJ 07843

Estimated market value

$389,412

range $357,021 – $446,885

moderate confidence

Assessment-implied: $408,767; Director's Ratio 0.8829 (2025)
Comp-implied: $440,298; 30 comparable sales

Estimated value, last 11 years

2016: $171,341 → 2026: $389,412

dots are actual sale prices for this property

Based on 30 comparable sales

Address	Sold	Price
214 Durban Ave	4/1/2026	$390,000

Bordering

200-ft notice list →

248 Hudson Ave
Lot 2·$526,400
345 Dupont Ave
Lot 28·$25,200
341 Dupont Ave
Lot 30·$247,300

Block 31005All of Block 31005 →

Debug — raw data per source

Computed

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

MOD-IV

{
  "pams_pin": "1912_31005_29",
  "county_code": "19",
  "district_code": "12",
  "block": "31005",
  "lot": "29",
  "qualifier": "",
  "property_location": "343 DUPONT AVE",
  "property_class": "2",
  "bldg_class": "18",
  "bldg_desc": null,
  "land_desc": "64X100",
  "year_built": null,
  "living_sqft": 1456,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "12600000",
  "improvement_value_cents": "23490000",
  "net_value_cents": "36090000",
  "last_yr_tx_cents": "752477",
  "deed_date": "2019-11-23",
  "deed_book": "3540",
  "deed_page": "861",
  "sale_price_cents": "13000000",
  "sales_code": null,
  "owner_mailing_street": "343 DUPONT AVE",
  "owner_mailing_city_state_zip": "HOPATCONG, NJ  07843",
  "mun_name": "HOPATCONG BORO",
  "calc_acre": "0.147000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.65379590475298,
  "centroid_lat": 40.95272119563692
}

SR1A

[
  {
    "id": "999310b5-a39b-43d0-9a0b-528676ddc84b",
    "property_id": null,
    "county_code": "19",
    "district_code": "12",
    "block": "31005",
    "lot": "29",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": "2019-11-23",
    "date_recorded": "2019-12-10",
    "sale_price_cents": "13000000",
    "sr1a_year": 2020,
    "source": "sr1a"
  },
  {
    "id": "92469f8b-a8bb-4f5b-800f-defb9b63710e",
    "property_id": "fc9d84da-d970-4ccf-bd11-519973c97f0d",
    "county_code": "19",
    "district_code": "12",
    "block": "31005",
    "lot": "29",
    "qualifier": "",
    "deed_book": "3540",
    "deed_page": "861",
    "deed_date": "2019-11-23",
    "date_recorded": "2019-12-10",
    "sale_price_cents": "13000000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "2b827ba6-2c66-47ab-b56a-4b4fa08f1889",
    "property_id": "fc9d84da-d970-4ccf-bd11-519973c97f0d",
    "county_code": "19",
    "district_code": "12",
    "block": "31005",
    "lot": "29",
    "qualifier": "",
    "deed_book": "3540",
    "deed_page": "861",
    "deed_date": "2019-11-23",
    "date_recorded": "2019-11-23",
    "sale_price_cents": "13000000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

When was 343 Dupont Ave, Hopatcong Boro, NJ last sold?: The most recent recorded sale was in 2019 for $130,000.
What is the assessed value of 343 Dupont Ave, Hopatcong Boro, NJ?: The total municipal assessment is $360,900 (land plus improvements).
What is 343 Dupont Ave, Hopatcong Boro, NJ worth?: Our model estimates a market value of $389,412, derived from comparable recorded sales nearby.
How many units does 343 Dupont Ave, Hopatcong Boro, NJ have?: Records show 1 dwelling unit at 343 Dupont Ave, Hopatcong Boro, NJ.
What kind of property is 343 Dupont Ave, Hopatcong Boro, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2).

Sales history

12/10/2019$130,000
SR1A 2020
12/10/2019$130,000
taxrecords_njBk 3540 / Pg 861
11/23/2019$130,000
MOD-IV (Rutgers)Bk 3540 / Pg 861

Date	Price	Book / Page	Source
12/10/2019	$130,000	—	SR1A 2020
12/10/2019	$130,000	3540 / 861	taxrecords_nj
11/23/2019	$130,000	3540 / 861	MOD-IV (Rutgers)