What is the assessed value of 335 Dupont Ave, Hopatcong Boro, NJ?

The total municipal assessment is $421,700 (land plus improvements).

What is 335 Dupont Ave, Hopatcong Boro, NJ worth?

Our model estimates a market value of $513,233, derived from comparable recorded sales nearby.

How many units does 335 Dupont Ave, Hopatcong Boro, NJ have?

Records show 1 dwelling unit at 335 Dupont Ave, Hopatcong Boro, NJ.

What kind of property is 335 Dupont Ave, Hopatcong Boro, NJ?

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

parceldata.nj

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

335 Dupont Ave

Hopatcong Boro, NJ 07843·Sussex County

1912·block 31005·lot 33

$513,233estimated value

Last sale

6/27/1986 · MOD-IV (Rutgers)

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

—

Building size

1,836 sq ft

Lot size

0.14 ac

Land description

60X100

Building description

—

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$421,700

Land value

$125,400

Improvement value

$296,300

Last year's tax

$8,792

Last MOD-IV sale

MOD-IV deed date

6/27/1986

Owner mailing address

335 DUPONT AVE
HOPATCONG, NJ 07843

Estimated market value

$513,233

range $436,805 – $553,109

high confidence

Assessment-implied: $477,631; Director's Ratio 0.8829 (2025)
Comp-implied: $525,101; 30 comparable sales

Estimated value, last 11 years

2016: $225,823 → 2026: $513,233

Based on 30 comparable sales

Address	Sold	Price
286 Carentan Rd	3/27/2026	$480,000
307 Santa Fe TR	3/25/2026	$301,000
9 Corsica Rd	3/23/2026

Bordering

200-ft notice list →

248 Hudson Ave
Lot 2·$526,400
337 Dupont Ave
Lot 32·$307,500
333 Dupont Ave
Lot 34·$390,400

Block 31005All of Block 31005 →

Debug — raw data per source

Computed

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

MOD-IV

{
  "pams_pin": "1912_31005_33",
  "county_code": "19",
  "district_code": "12",
  "block": "31005",
  "lot": "33",
  "qualifier": "",
  "property_location": "335 DUPONT AVE",
  "property_class": "2",
  "bldg_class": "17",
  "bldg_desc": null,
  "land_desc": "60X100",
  "year_built": null,
  "living_sqft": 1836,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "12540000",
  "improvement_value_cents": "29630000",
  "net_value_cents": "42170000",
  "last_yr_tx_cents": "879245",
  "deed_date": "1986-06-27",
  "deed_book": "1360",
  "deed_page": "20",
  "sale_price_cents": "0",
  "sales_code": null,
  "owner_mailing_street": "335 DUPONT AVE",
  "owner_mailing_city_state_zip": "HOPATCONG, NJ  07843",
  "mun_name": "HOPATCONG BORO",
  "calc_acre": "0.138000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.6543003360285,
  "centroid_lat": 40.95218559793266
}

SR1A

[
  {
    "id": "4de99b86-45e3-4810-8161-3464ad5ba99c",
    "property_id": "ffdd836c-3309-467d-9f93-8d4aa1f2a70a",
    "county_code": "19",
    "district_code": "12",
    "block": "31005",
    "lot": "33",
    "qualifier": "",
    "deed_book": "1360",
    "deed_page": "20",
    "deed_date": "1986-06-27",
    "date_recorded": "1986-06-27",
    "sale_price_cents": "0",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

Deed fetch

{
  "_info": "no deeds on file"
}

API record·permalink

Frequently asked questions

What is the assessed value of 335 Dupont Ave, Hopatcong Boro, NJ?: The total municipal assessment is $421,700 (land plus improvements).
What is 335 Dupont Ave, Hopatcong Boro, NJ worth?: Our model estimates a market value of $513,233, derived from comparable recorded sales nearby.
How many units does 335 Dupont Ave, Hopatcong Boro, NJ have?: Records show 1 dwelling unit at 335 Dupont Ave, Hopatcong Boro, NJ.
What kind of property is 335 Dupont Ave, Hopatcong Boro, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2).

Date	Price	Book / Page	Source
6/27/1986	$0	1360 / 20	MOD-IV (Rutgers)

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