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21 Lathrop Ave, Madison Boro, NJ — owner, sales, deeds · parceldata

21 Lathrop Ave

Madison Boro, NJ 07940·Morris County

1417·block 4302·lot 19

$638,315estimated value

Last sale

$480,000

6/9/2017 · taxrecords_nj

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1890

Building size

1,249 sq ft

Lot size

0.17 ac

Land description

50X150

Building description

2SF G2

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$450,000

Land value

$300,800

Improvement value

$149,200

Last year's tax

$9,585

Last MOD-IV sale

$480,000

MOD-IV deed date

5/23/2017

Owner mailing address

21 LATHROP AVE
MADISON, NJ 07940

Estimated market value

$638,315

range $493,893 – $745,641

low confidence

Assessment-implied: $747,260; Director's Ratio 0.6022 (2025)
Comp-implied: $583,842; 7 comparable sales

Based on 7 comparable sales

Address	Sold	Price
47 Ridgedale Ave	3/3/2026	$530,000
88 Park Ave	9/9/2025	$765,000
119 Greenwood Ave	3/21/2025	$650,000
18 Belmont Ave	3/10/2025	$750,000

Bordering

200-ft notice list →

366 Woodland Rd
Lot 1·$592,000
19 Lathrop Ave
Lot 18·$534,300
364 Woodland Rd
Lot 2.01·$957,500

Block 4302All of Block 4302 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 0,
  "portfolioKeys": {
    "fullKeys": [
      "21 LATHROP AVE MADISON NJ 07940"
    ],
    "zipKeys": [
      "21 LATHROP AVE 07940"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "1417_4302_19",
  "county_code": "14",
  "district_code": "17",
  "block": "4302",
  "lot": "19",
  "qualifier": "",
  "property_location": "21 LATHROP AVE",
  "property_class": "2",
  "bldg_class": "17",
  "bldg_desc": "2SF G2",
  "land_desc": "50X150",
  "year_built": 1890,
  "living_sqft": 1249,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "30080000",
  "improvement_value_cents": "14920000",
  "net_value_cents": "45000000",
  "last_yr_tx_cents": "958500",
  "deed_date": "2017-05-23",
  "deed_book": "23139",
  "deed_page": "31",
  "sale_price_cents": "48000000",
  "sales_code": null,
  "owner_mailing_street": "21 LATHROP AVE",
  "owner_mailing_city_state_zip": "MADISON, NJ  07940",
  "mun_name": "MADISON BORO",
  "calc_acre": "0.172200",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.4302270960694,
  "centroid_lat": 40.75385541540467
}

SR1A

[
  {
    "id": "79683340-b319-4d20-96cd-7a61271a3455",
    "property_id": "3e4fd68a-b0e7-4588-b903-f9b745b5b25e",
    "county_code": "14",
    "district_code": "17",
    "block": "4302",
    "lot": "19",
    "qualifier": "",
    "deed_book": "23139",
    "deed_page": "31",
    "deed_date": "2017-05-23",
    "date_recorded": "2017-06-09",
    "sale_price_cents": "48000000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "9b0daeba-e569-4c77-820f-68f1bafab5cd",
    "property_id": "3e4fd68a-b0e7-4588-b903-f9b745b5b25e",
    "county_code": "14",
    "district_code": "17",
    "block": "4302",
    "lot": "19",
    "qualifier": "",
    "deed_book": "23139",
    "deed_page": "31",
    "deed_date": "2017-05-23",
    "date_recorded": "2017-05-23",
    "sale_price_cents": "48000000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "19d0d4ee-e63e-4b9e-b1d3-7406a1baa340",
    "property_id": "3e4fd68a-b0e7-4588-b903-f9b745b5b25e",
    "county_code": "14",
    "district_code": "17",
    "block": "4302",
    "lot": "19",
    "qualifier": "",
    "deed_book": "6237",
    "deed_page": "259",
    "deed_date": "2004-12-16",
    "date_recorded": "2004-12-30",
    "sale_price_cents": "55500000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "67955ce7-3891-4183-8ca0-d9a096c6f5dd",
    "property_id": "3e4fd68a-b0e7-4588-b903-f9b745b5b25e",
    "county_code": "14",
    "district_code": "17",
    "block": "4302",
    "lot": "19",
    "qualifier": "",
    "deed_book": "6237",
    "deed_page": "259",
    "deed_date": "2004-12-16",
    "date_recorded": "2004-12-16",
    "sale_price_cents": "55500000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "b2d9234b-2c29-4f36-9e02-5d6e3bcbb2ca",
    "property_id": "3e4fd68a-b0e7-4588-b903-f9b745b5b25e",
    "county_code": "14",
    "district_code": "17",
    "block": "4302",
    "lot": "19",
    "qualifier": "",
    "deed_book": "5668",
    "deed_page": "223",
    "deed_date": "2002-07-22",
    "date_recorded": "2002-07-30",
    "sale_price_cents": "32500000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "1c300661-56a5-4a51-aab5-06f766e057fc",
    "property_id": "3e4fd68a-b0e7-4588-b903-f9b745b5b25e",
    "county_code": "14",
    "district_code": "17",
    "block": "4302",
    "lot": "19",
    "qualifier": "",
    "deed_book": "5668",
    "deed_page": "223",
    "deed_date": "2002-07-22",
    "date_recorded": "2002-07-22",
    "sale_price_cents": "32500000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Sales history

6/9/2017$480,000
taxrecords_njBk 23139 / Pg 31
5/23/2017$480,000
MOD-IV (Rutgers)Bk 23139 / Pg 31
12/30/2004$555,000
taxrecords_njBk 6237 / Pg 259
12/16/2004$555,000
MOD-IV (Rutgers)Bk 6237 / Pg 259
7/30/2002$325,000
taxrecords_njBk 5668 / Pg 223
7/22/2002$325,000
MOD-IV (Rutgers)Bk 5668 / Pg 223

Date	Price	Book / Page	Source
6/9/2017	$480,000	23139 / 31	taxrecords_nj
5/23/2017	$480,000	23139 / 31	MOD-IV (Rutgers)
12/30/2004	$555,000	6237 / 259	taxrecords_nj
12/16/2004	$555,000	6237 / 259	MOD-IV (Rutgers)
7/30/2002	$325,000	5668 / 223	taxrecords_nj
7/22/2002	$325,000	5668 / 223	MOD-IV (Rutgers)

Property

Tax & Assessment

Estimated market value

Bordering

Sales history

Deeds